CN103605199B - Imaging device and method - Google Patents

Imaging device and method Download PDF

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Publication number
CN103605199B
CN103605199B CN201310390329.9A CN201310390329A CN103605199B CN 103605199 B CN103605199 B CN 103605199B CN 201310390329 A CN201310390329 A CN 201310390329A CN 103605199 B CN103605199 B CN 103605199B
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eyes
parameter
eye
convergence
module
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CN103605199A (en
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杜琳
张宏江
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Beijing Zhigu Ruituo Technology Services Co Ltd
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Beijing Zhigu Ruituo Technology Services Co Ltd
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Abstract

The invention discloses a kind of imaging device and formation method, described device includes: adjustable lens module, for the object of observation imaging to eyes；Line-of-sight detection module, for detecting the convergence parameter of current eye；Parameter generation module, for generating the imaging parameters of described adjustable lens module according to described convergence parameter, described imaging parameters includes optical axis direction parameter；Lens adjustment module, for adjusting described adjustable lens module according to described imaging parameters.The device and method of the embodiment of the present invention is by automatically detecting the convergence parameter of eyes, and according to the optical axis direction of adjustable lens module between this convergence parameter regulation eyes and object, thus changing the practical convergence point of eye sight line so that user just can see nearer object in the way of the most comfortable clearly.

Description

Imaging device and method
Technical field
The present invention relates to technical field of imaging, particularly relate to a kind of imaging device and formation method.
Background technology
The screen size of mobile device and portability are always a pair insoluble contradiction, although Screen resolution can be accomplished the highest, but owing to screen size limits, cannot show under normal circumstances Show a lot of information.If user can be allowed with more in-plant use mobile device, then can show Show more abundant information.
But in daily life, for user normal for hypermetropia and diopter, typically It is difficult to see the most in-plant object clearly；For myopia user, the most often face one Problem, it is simply that when without correcting spectacle lens, right and left eyes can see close object (example respectively clearly Such as mobile phone screen), but the image of right and left eyes cannot be assembled；And when putting on correcting spectacle lens, Close object (the Japan Patent Shen such as Publication No. JP2007219462A cannot be seen again clearly In please shown in Fig. 2-3).Although, existing adjustable eyeglass is by changing the imagings such as the focal length of self Parameter (as being adjusted to 0 even positive number, to hypermetropia by eyeglass to myopia by lens refractive power Diopter adjusts to the positive number bigger than when seeing remotely), can solve to see close object clearly Problem, but owing to eyes sight line convergence angle is excessive and cannot assemble, cause in this case using Family can only be watched with eyes, has a strong impact on Consumer's Experience.
Although the Japanese patent application that disclosed above number is JP2007219462A describing logical Cross and a prism apparatus is set on common correction of refractive errors glasses, help the convergence of two an eye line (see the example shown in Fig. 2-4 of this patent application), but its use is very inconvenient, user Experience the best.
If the position of eyes of user point of fixation can be detected in real time, and come according to point of fixation position The optical axis of adaptive adjustment eyeglass so that the object that user watches attentively can be focused at user Can the position of comfortable viewing, then can solve the problems referred to above, improve Consumer's Experience.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of imaging device and formation method, with When user sees close objects, assemble from dynamic auxiliary Binocular vison line, enable users to more easypro The suitable object seen clearly nearby, improves Consumer's Experience.
For achieving the above object, first aspect, the invention provides a kind of imaging device, including:
Adjustable lens module, for the object of observation imaging to eyes；
Line-of-sight detection module, for detecting the convergence parameter of current eye；
Parameter generation module, for generating described adjustable lens module according to described convergence parameter Imaging parameters, described imaging parameters includes optical axis direction parameter；
Lens adjustment module, for adjusting described adjustable lens module according to described imaging parameters.
In conjunction with first aspect, in the implementation that the second is possible, described convergence parameter includes The convergence angle number of degrees of eyes；
Described line-of-sight detection module includes:
Convergence angle detector unit, for detecting the convergence angle number of degrees of current eye.
In conjunction with first aspect, in the implementation that the third is possible, described convergence parameter includes The focusing of eye sight line is to the distance of eyes；
Described line-of-sight detection module includes:
Focusing distance detector unit, arrives eyes for detecting the focusing of current eye sight line Distance.
In conjunction with the third possible implementation of first aspect, the 4th kind of possible embodiment party In formula, described focusing distance detector unit includes:
Image capture device, for gathering the image presented at the bottom of eye；
Adjustable imaging device, for carrying out becoming of light path between described image capture device and eyes It is adjusted so that described image capture device obtains image the most clearly as parameter；
Image processing equipment, processes for the image obtaining described image capture device, According to described in obtaining picture rich in detail time described image capture device and eyes between the becoming of light path As parameter, it is calculated the focusing distance to eyes of eye sight line.
In conjunction with the 4th kind of possible implementation of first aspect, the 5th kind of possible embodiment party In formula, described adjustable imaging device includes:
Lens unit, in the light path between eyes and described image capture device, self is burnt Adjustable away from position adjustable and/or in the optical path.
In conjunction with the 4th or the 5th kind of possible implementation of first aspect, possible at the 6th kind In embodiment, described adjustable imaging device includes:
Curved surface spectrophotometric unit, the position of pupil when the most corresponding eye optical axis direction difference, The image presented on optical fundus is delivered to described image capture device.
In conjunction with any one the possible implementation in the 4th to the 6th kind of first aspect, In seven kinds of possible embodiments, described focusing distance detector unit also includes:
Device for projecting, for optical fundus projected spot pattern.
In conjunction with the third possible implementation of first aspect, the 8th kind of possible embodiment party In formula, described focusing distance detector unit includes:
Eye optical axis follows the tracks of equipment, for obtaining the optical axis direction parameter of eyes；
The degree of depth obtains equipment, for obtaining the depth information of eyes viewing scene；
Focusing distance calculates equipment, for according to the optical axis direction parameter of described eyes, adjustable The imaging parameters of lens module and the depth information of scene obtain the focusing of eye sight line to eye The distance of eyeball.
In conjunction with first aspect, first aspect second to the 8th kind of possible implementation in appoint One, in the 9th kind of possible embodiment, described convergence parameter includes the reality of two an eye line Border convergence angle；
Described line-of-sight detection module includes:
Convergence angle acquiring unit, for obtaining the practical convergence angle of described two an eye line.
In conjunction with first aspect, first aspect second to the 8th kind of possible implementation in appoint One, in the tenth kind of possible embodiment, described convergence parameter includes the meeting of two an eye line Accumulation is to the distance of eyes；
Described line-of-sight detection module includes:
Convergent point distance acquiring unit, for obtaining the convergent point of described two an eye line to eyes Distance.
In conjunction with first aspect, first aspect second to the tenth kind of possible implementation in appoint One, in the 11st kind of possible embodiment, described lens adjustment module is used for passing through machine The mode of the attitude that tool adjusts described adjustable lens module adjusts the light of described adjustable lens module Direction of principal axis.
In conjunction with first aspect, first aspect second to the 11st kind of possible implementation in Any one, in the 12nd kind of possible embodiment, described lens adjustment module is used for passing through The mode of the internally and/or externally structure adjusting described adjustable lens module adjusts described adjustable The optical axis direction of mirror module.
In conjunction with first aspect, first aspect second to the 12nd kind of possible implementation in Any one, in the 13rd kind of possible embodiment, described adjustable lens module includes multi-disc Lens, the optical axis direction of a piece of lens of at least a part of which is adjustable.
In conjunction with first aspect, first aspect second to the 13rd kind of possible implementation in Any one, in the 14th kind of possible embodiment, described parameter generation module includes:
Threshold decision unit, is used for judging currently to assemble the convergence ginseng that parameter obtained with a upper moment Whether number belongs in the threshold range of same setting；
Parameter generating unit, for described current convergence parameter with on the convergence parameter in a moment Time not in same threshold range, generate the imaging parameters of described adjustable lens module.
In conjunction with first aspect, first aspect second to the 14th kind of possible implementation in Any one, in the 15th kind of possible embodiment, the imaging ginseng of described adjustable lens module Number also includes the dioptric parameter of adjustable lens module.
In conjunction with the 15th kind of possible implementation of first aspect, the 16th kind of possible reality In existing mode, described adjustable lens module includes multi-disc lens, the light of a piece of lens of at least a part of which Direction of principal axis is adjustable, the diopter of the most a piece of lens is adjustable.
Second aspect, present invention also offers a kind of formation method, including:
Line-of-sight detection step, for detecting the convergence parameter of current eye；
Parameter generation step, for generating the imaging of adjustable lens module according to described convergence parameter Parameter, described imaging parameters includes optical axis direction parameter；Wherein, described adjustable lens module is used In the object of observation imaging to eyes；
Lens regulating step, for adjusting described adjustable lens module according to described imaging parameters.
In conjunction with second aspect, in the implementation that the second is possible, described convergence parameter includes The convergence angle number of degrees of eyes.
In conjunction with the implementation that the second of second aspect is possible, in the realization side that the third is possible In formula, described line-of-sight detection step includes:
The convergence angle number of degrees of detection current eye.
In conjunction with second aspect, in the 4th kind of possible implementation, described convergence parameter includes The focusing of eye sight line is to the distance of eyes.
In conjunction with the 4th kind of possible implementation of second aspect, the 5th kind of possible realization side In formula, described line-of-sight detection step includes:
The focusing of detection current eye sight line is to the distance of eyes.
In conjunction with the 5th kind of possible implementation of second aspect, the 6th kind of possible realization side In formula, the step of the focusing of described detection current eye sight line to the distance of eyes includes:
Gather the image presented at the bottom of eye；
Carry out the regulation of the imaging parameters of light path between image capture position and eyes until gathering To image the most clearly；
The described image collected is processed, according to described in obtaining picture rich in detail time described in The imaging parameters of light path between image capture position and eyes, is calculated the focusing of eye sight line Point is to the distance of eyes.
In conjunction with the 6th kind of possible implementation of second aspect, the 7th kind of possible realization side In formula, described in carry out the regulation of the imaging parameters of light path between image capture position and eyes and include: Regulation between eyes and image capture position the lens unit in light path focal length and/or Position in light path.
In conjunction with the 6th or the 7th kind of possible implementation of second aspect, possible at the 8th kind In implementation, described in carry out the tune of the imaging parameters of light path between image capture position and eyes Joint includes:
The position of pupil during the most corresponding eye optical axis direction difference, the image presented on optical fundus passes It is delivered to described image capture device.
In conjunction with the six, the 7th or the 8th kind of possible implementation of second aspect, at the 9th kind In possible implementation, the step of the focusing of described detection eye sight line to the distance of eyes Also include:
To optical fundus projected spot pattern.
In conjunction with the 5th kind of possible implementation of second aspect, the tenth kind of possible realization side In formula, the focusing stating detection current eye sight line includes to the step of the distance of eyes:
Obtain the optical axis direction parameter of eyes；
Obtain the depth information of eyes viewing scene；
Optical axis direction parameter according to described eyes, the imaging parameters of adjustable lens module and described The depth information of scene obtains the focusing distance to eyes of eye sight line.
In conjunction with second aspect, second aspect the second in the tenth kind of possible implementation Any one, in the 11st kind of possible implementation, described convergence parameter includes two an eye line Practical convergence angle.
In conjunction with the 11st kind of possible implementation of second aspect, the 12nd kind of possible reality In existing mode, described line-of-sight detection step includes:
Obtain the practical convergence angle of described two an eye line.
In conjunction with second aspect, second aspect the second in the tenth kind of possible implementation Any one, in the 13rd kind of possible implementation, described convergence parameter includes two an eye line Convergent point to the distance of eyes.
In conjunction with the 13rd kind of possible implementation of second aspect, the 14th kind of possible reality In existing mode, described line-of-sight detection step includes:
Obtain the convergent point distance to eyes of described two an eye line.
In conjunction with second aspect, second aspect the second in the 14th kind of possible implementation Any one, in the 15th kind of possible implementation, described lens regulating step includes:
Adjust described adjustable by the way of the attitude that machinery adjusts described adjustable lens module The optical axis direction of mirror module.
In conjunction with second aspect, second aspect the second in the 15th kind of possible implementation Any one, in the 16th kind of possible implementation, described lens regulating step includes:
Institute is adjusted by the way of adjusting the internally and/or externally structure of described adjustable lens module State the optical axis direction of adjustable lens module.
In conjunction with second aspect, second aspect the second in the 16th kind of possible implementation Any one, in the 17th kind of possible implementation, described parameter generation step includes:
Judged whether the convergence parameter that currently convergence parameter and a upper moment obtain belongs to same setting In fixed threshold range；
Described current convergence parameter with on the convergence parameter in a moment not at same threshold range Time interior, generate the imaging parameters of described adjustable lens module.
In conjunction with second aspect, second aspect the second in the 17th kind of possible implementation Any one, in the 18th kind of possible implementation, the imaging of described adjustable lens module Parameter also includes the dioptric parameter of adjustable lens module.
The device and method of the embodiment of the present invention is by automatically detecting the convergence parameter of eyes, and root According to the optical axis direction of adjustable lens module between this convergence parameter regulation eyes and object, thus change Become the practical convergence point of eye sight line so that user just can see clearly nearer in the way of the most comfortable Object.Additionally, the device and method of the application of the invention embodiment, so that user Can more closely carry out the acquisition of information on information presentation device, therefore, information displaying sets Standby in the range of eyes of user can be differentiated, more abundant letter can be shown closely time Breath.
Accompanying drawing explanation
Fig. 1 is the structural schematic block diagram of a kind of imaging device of the embodiment of the present invention；
Fig. 2 a is the imaging schematic diagram of a kind of imaging device of the embodiment of the present invention；
Fig. 2 b is another imaging schematic diagram of a kind of imaging device of the embodiment of the present invention；
Fig. 3 is the application schematic diagram of a kind of imaging device of the embodiment of the present invention；
Fig. 4 is the application schematic diagram of the another kind of imaging device of the embodiment of the present invention；
Fig. 5 a is the focusing distance detector unit of a kind of imaging device of the embodiment of the present invention Structured flowchart；
Fig. 5 b is the another kind of focusing distance detection of a kind of imaging device of the embodiment of the present invention The structured flowchart of unit；
Fig. 5 c is that the focusing distance detector unit of a kind of imaging device of the embodiment of the present invention makes Spot pattern schematic diagram；
Fig. 5 d is that the focusing distance detector unit of a kind of imaging device of the embodiment of the present invention is clapped The eye fundus image schematic diagram with spot pattern taken the photograph；
Fig. 5 e is the focusing distance detector unit eye of a kind of imaging device of the embodiment of the present invention The light path schematic diagram of eyeball imaging；
Fig. 5 f is the focusing distance detector unit root of a kind of imaging device of the embodiment of the present invention The eyes focusing schematic diagram to the distance of eyes is obtained according to the known imaging parameters of system；
Fig. 6 is that the eyes focusing of a kind of imaging device of the embodiment of the present invention is counted detecting system Apply the schematic diagram on glasses；
Fig. 7 is the focusing distance detector unit of the another kind of imaging device of the embodiment of the present invention Apply the schematic diagram on glasses；
Fig. 8 is the structural frames of the parameter generation module of a kind of imaging device of the embodiment of the present invention Figure；
Fig. 9 is the flow chart of a kind of formation method of the embodiment of the present invention.
Detailed description of the invention
The method and device of the present invention combines drawings and Examples and describes in detail as follows.
Resolution ratio when human eye is positioned at nearby for same object its remotely located time resolution Rate wants height, therefore limited for display device display surface size (such as mobile phone), needs again display In the case of more more rich contents, the display surface of display device is set closer to the eyes of user Put, then the resolution of display content can be increased and increase more rich content.But human eye When seeing very closer object, on the one hand need eye muscle tensioning so that pupil is in eyes Side is close, and this makes eyes be easy to fatigue；On the other hand, the convergence of human eye is limited in one's ability, Likely two cannot converge to described in the most in-plant object.Therefore, as it is shown in figure 1, this Inventive embodiments provides a kind of imaging device 100, including:
Adjustable lens module 110, for the object of observation imaging to eyes；
Line-of-sight detection module 120, for detecting the convergence parameter of current eye；
Parameter generation module 130, for generating described adjustable lens mould according to described convergence parameter The imaging parameters of block, described imaging parameters includes optical axis direction parameter；
Lens adjustment module 140, for adjusting described adjustable lens mould according to described imaging parameters Block.
In embodiments of the present invention, adjustable lens module 110 is arranged on eyes and the observation of user Between object, when the optical axis direction Parameters variation of adjustable lens module 110, the sight line of eyes Direction will change after described adjustable lens module 110, is therefore worked as by detection The convergence parameter of front eyes, when needing the convergence of eyes is adjusted, described by regulation The optical axis direction parameter of adjustable lens module 110 helps two an eye line of user to assemble, then So that user can the most closely watch in the display of object or display device Hold, improve Consumer's Experience.Meanwhile, further, the display content on display device is the most permissible Including more more rich information, meet the demand of user.
In a kind of possible embodiment of the embodiment of the present invention, described imaging device 100 can Think portable, the uses such as glasses (including: frame eyeglasses, contact lens, protective eye lens etc.) Device easily, described adjustable lens module 110 is the eyeglass of glasses.Particularly with natively There are eyes problems such as ametropia, need to wear as the user of correction of refractive errors glasses, this Bright device can directly realize on described correction of refractive errors glasses, is carrying out the eyes of user While rectification, help user that closer object cosily carries out the convergence of sight line.
Certainly, in other possible embodiment of the embodiment of the present invention, described imaging device is also Can be such as: the eyes of helmet eyepiece etc. and user with the use of other optical device.
As shown in Figure 2 a, for in-plant object 210, although the eyes 220 of user exist Actual sight line 240 after the effect of described adjustable lens module 231 is focused in object 210 position, But two eye axles 250 are but assembled at remote position, and then user is made to feel to see Object 210 as 210a is in this position farther out.
A kind of possible application scenarios such as Fig. 2 b institute of the imaging device 230 of the embodiment of the present invention Showing, in the present embodiment, described imaging device 230 is glasses, described adjustable lens module 231 is the eyeglass of described glasses.By Fig. 2 b it can be seen that nearer right of user's reading distance As described in 210(the present embodiment, object 210 is mobile phone) time, the optical axis of its eyes is also not required to To assemble at the most described object 210, but to be focused at from the farther position of eyes, it is seen that object The picture 210a of 210.I.e. user need not just regulate inside the optical axis direction by eyes that causes high effort for The convergence of sight line can be completed, reduce the feeling of fatigue of user, improve Consumer's Experience.
In a kind of possible embodiment of the embodiment of the present invention, described convergence parameter can be:
(convergence angle is the angle of two eye axles, as shown in Figure 2 a for the convergence angle number of degrees of eyes Angle b)；
Practical convergence angle (the i.e. angle a) shown in Fig. 2 a of two an eye line；
The focusing of eye sight line to the distance of eyes (such as 210 to two institutes of object in Fig. 2 a Distance in plane；Or in the case of user is the most just to the object of observation, this is apart from all right Distance for object to any one eye)；Or
The convergent point of two an eye line to eyes distance (as in Fig. 2 a object as 210a to two The distance of eye place plane；Or in the case of user is the most just to the object of observation, this distance is also Can be the picture distance to any one eye of object).
Described adjustable lens module 110 in the embodiment of the present invention is by changing the structure of self Attitude or position change the circulation way (including the direction of propagation) of light, and it can be served as reasons The adjustable lens of monolithic imaging parameters constitute, can also be the battery of lens structure being made up of multi-disc lens Become or can also be the optical system including lens and other optics.
In a kind of possible embodiment of the embodiment of the present invention, described lens adjustment module Attitude can regulate, as it is shown on figure 3, in the present embodiment, by a rotary shaft 323 even The eyeglass 321 of eyepiece 320 and picture frame 322 so that described eyeglass 321 can be with left-right rotation. Therefore, the lens adjustment module (not shown in Fig. 3) of the embodiment of the present invention is adjusted by machinery The mode of the attitude of described adjustable lens module (i.e. eyeglass 321) adjusts described adjustable lens mould The optical axis direction of block.Certainly, in other embodiment of the embodiment of the present invention, except regulation Outside the attitude of described adjustable lens module, in order to reach more preferable viewing effect, its distance eyes The distance of 310 positions can also regulate.
In a kind of possible embodiment of the embodiment of the present invention, described lens adjustment module Internal structure can regulate；Here internal structure includes: internal molecular structure or arrangement are sent out Having given birth to change, position or proportion between the some that inside includes there occurs change etc.；
Or, the external structure of described lens adjustment module can regulate；Here external structure It is primarily referred to as the shape etc. of lens adjustment module；
Or, internal structure and the external structure of described lens adjustment module can regulate.
Such as: in some possible embodiments of the embodiment of the present invention, described adjustable lens Module 110 can include electronics adjustable lens, if US publication is US20070211207A1 With in the patent of US4572616A announce liquid or liquid crystal lens, by the liquid in lens Body or liquid crystal are controlled, thus quickly change the imaging parameters such as the shape of lens, refractive index. For assembly of the invention is applied the occasion on the portable wearable devices such as glasses, adopt With the electronics adjustable lens of monolithic as described adjustable lens module 110 so that device Volume is less, weight is lighter, it is simple to carry；And described electronics adjustable lens is applied to eye Mode on mirror has had coml application, as Pixeloptics company releases Empower electronics Focusable glasses.
Additionally, such as in some prior aries, at least two can be comprised in the eyeglass of lens Plant the medium that refractive index is different, will not be mutually mixed, be situated between by changing described at least two difference The interfacial shape of matter, it is also possible to the imaging such as optical axis direction changing described adjustable lens module Parameter.
Therefore, as shown in Figure 4, in a kind of possible embodiment, described glasses 410 Eyeglass 411 adjusts its optical axis direction, eyes by the way of by its shape adjustment wedgewise The sight line of 420 is adjusted after described eyeglass 411.Or, in other embodiments, Can also be by the shape adjustment of eyeglass 411 being become shown in Fig. 3 (but not by the tune of machinery Joint) adjust its optical axis direction.In addition to two shown in above-mentioned Fig. 3 and Fig. 4 kind shape, institute State eyeglass 411 be possible the adjustable biconvex lens of optical axis direction, light-transmitting plate etc. can To play the shape of refractive power effect, by regulation, so that the direction of visual lines of eyes is risen by it To inwardly assembling or to the refractive power effect of external diffusion.
In addition to above-mentioned electronics adjustable lens, in a kind of possible enforcement of the embodiment of the present invention In mode, it is also possible to the battery of lens using multi-disc lens to constitute forms described adjustable lens mould Block 110, such as by changing the optical axis angle of multi-disc lens, by the light eccentric shaft of multiple lens The modes such as the position arranged and change between multi-disc lens regulate described adjustable lens module The imaging parameters of 110, particularly optical axis direction parameter, wherein, also may be used in described multi-disc lens With partly or entirely as adjustable lens.Such as: described adjustable lens module includes multi-disc lens, The optical axis direction of a piece of lens of at least a part of which is adjustable.
Additionally, due to user is when seeing near objects, it is also possible to exist and need crystalline lens etc. Glasses optical system compares laborious regulation, changes the diopter ability of eye optical system See object nearby clearly, or even have arrived at the limit of regulation, but can not see The problems such as clear object the most nearby, it is preferred that also because of can be according to above-mentioned convergence parameter pair The dioptric parameter of adjustable lens module is adjusted, so that user is except can be pleasant Outside convergence sight line, it is also possible to pleasant focuses on in-plant object.That is, at this In a kind of possible embodiment of bright embodiment, the imaging parameters of described adjustable lens module is also Dioptric parameter including adjustable lens module.Here dioptric parameter also includes adjustable lens module The parameters such as the curvature of middle lens and refractive index.The regulation of described dioptric parameter is also included within above Described adjustable lens module is carried out imaging parameters regulation during (such as, the curvature of lens For the external structure of lens, the refractive index of lens is the internal structure of lens), the most superfluous State.
Additionally, when described adjustable lens module includes multi-disc lens, can be a piece of with at least a part of which The optical axis direction of lens is adjustable, the diopter of the most a piece of lens is adjustable (can also be same here Optical axis direction and the diopter of a piece of lens are the most adjustable).Or, it is possible to can realizing change On the basis of adjusting lens module optical axis direction parameter, the relative position between multi-disc lens is carried out Adjust the dioptric parameter changing described adjustable lens module.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described parameter is raw Module is become to include:
Threshold decision unit, is used for judging currently to assemble the convergence ginseng that parameter obtained with a upper moment Whether number is in the threshold range of same setting；
Parameter generating unit, for described current convergence parameter with on the convergence parameter in a moment Time not in same threshold range, generate the imaging parameters of described adjustable lens module.
Such as, to assemble the parameter focusing as eye sight line to as a example by the distance of eyes, set Multiple threshold ranges be respectively as follows: less than 40mm, 40～50mm, 50～70mm, 70～100mm, 100～150mm, 150mm～200mm and more than 200mm.
When the distance in focusing described in the upper moment to eyes is 55mm, described in current time Focusing is 60mm to the distance of eyes, both of which in the threshold range of 50～70mm, Then the imaging parameters of described adjustable lens module can not be adjusted；When upper one the moment institute Stating focusing to the distance of eyes is 55mm, and described in current time, focusing is to the distance of eyes During for 80mm, the two is not in same threshold range, then according to current convergence parameter to one-tenth As parameter is adjusted, so that user is preferably experienced.In the present embodiment, only Just the imaging parameters of adjustable lens module is changed when assembling parameter and having greatly changed Become, on the one hand need not adjustable lens module is regulated the most frequently, the most also The needs of user can be substantially met, improve the experience of user.
Certainly, those skilled in the art it is recognised that the embodiment of the present invention one may Embodiment in, it is also possible to each obtained current is assembled parameter, generates corresponding one-tenth It is adjusted as parameter and to adjustable lens module.
In a kind of possible embodiment of the embodiment of the present invention, look-up table can be passed through (pre- The table of the corresponding relation of the convergence parameter first set and imaging parameters) generate and described convergence parameter The imaging parameters of corresponding adjustable lens module；Or, in the embodiment that other is possible, The imaging parameters corresponding with described convergence parameter can also be obtained by on-the-spot calculating.
In a kind of possible embodiment of the embodiment of the present invention, described line-of-sight detection module bag Include: convergence angle detector unit, for detecting the convergence angle number of degrees of current eye.
In a kind of possible embodiment, described convergence angle detector unit may include that
Respectively with the two of user sight tracking device that eyes are corresponding, it is used for following the tracks of active user The optical axis direction of every eyes (as can be Publication No. WO2005077258A patent in The content recorded)；
Computing module, for the optical axis direction according to described eyes, obtains the influx of described eyes Angle number.
Convergence angle detector unit by the embodiment of the present invention detects the convergence angle of eyes of user The number of degrees, and the imaging parameters of correspondence is generated according to these convergence angle number of degrees, change user's sight line Practical convergence position, helps user cosily to watch object nearby.
In a kind of possible embodiment of the embodiment of the present invention, described convergence parameter is eyes The focusing of sight line is to the distance of eyes.
In this embodiment, described line-of-sight detection module includes: focusing distance detector unit, The distance of focusing to eyes for detecting current eye sight line.
In one embodiment, described focusing distance detector unit is according to collecting eyes The Optical Parametric of light path between image capture device and eyes during the picture rich in detail that imaging surface presents Number, obtains the focusing position of described eye sight line.In the present embodiment, described focusing Distance detector unit can be in the focusing detecting system shown in Fig. 5 a-5f, Fig. 6, Fig. 7 A kind of.
As shown in Figure 5 a, described focusing distance detector unit 500 includes:
Image capture device 510, for gathering the image presented at the bottom of eye；
Adjustable imaging device 520, is used for carrying out between described image capture device 510 and eyes The imaging parameters of light path be adjusted so that described image capture device 510 obtains the most clearly Image；
Image processing equipment 530, enters for the image obtaining described image capture device 510 Row processes, according to described in obtaining picture rich in detail time described image capture device 510 and eyes it Between the imaging parameters of light path, be calculated the focusing distance to eyes of eye sight line.
This focusing distance detector unit 500 by being analyzed place to the image at the bottom of eye Reason, obtains the optical parametric of eyes when described image capture device 510 obtains picture rich in detail, Just can be calculated the focusing position that eyes are current, for realizing eyes self adaptation behaviour further Make to provide basis.
Here the image that the image that " optical fundus " presents predominantly presents on the retina, it can Think the image on optical fundus self, or can be the image of other object projecting optical fundus.This In eyes can be human eye, it is also possible to for the eyes of other animal.
As shown in Figure 5 b, in a kind of possible embodiment of the embodiment of the present invention, described figure As collecting device 510 is minisize pick-up head, in the alternatively possible enforcement of the embodiment of the present invention In mode, described image capture device 510 can also directly use photosensitive imaging device, as The devices such as CCD or CMOS.
In a kind of possible embodiment of the embodiment of the present invention, described adjustable imaging device 520 include: lens unit 521, between eyes and described image capture device 510 In light path, self focus adjustable and/or position in the optical path are adjustable.By this lens unit 521 so that the equivalent focal length of the light path from eyes to described image capture device 510 can Adjust, by the regulation of lens unit 521 so that described image capture device 510 is at lens list Optical fundus image the most clearly is obtained when some position of unit 521 or state.In present embodiment In, the regulation that described lens unit 521 can be the most real-time during detection.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described lens list Unit 521 is: focus adjustable lens, complete for the refractive index and/or shape by regulating self Become the adjustment of self focal length.Particularly as follows: 1) by focusing at least one side of adjustable lens Curvature focus, such as Double-layered transparent layer constitute cavity in liquid is increased or decreased Medium focuses the curvature of adjustable lens；2) by changing the refraction of focus adjustable lens Rate focuses, such as be filled with particular fluid crystalline medium in focus adjustable lens, by regulation The voltage of liquid crystal media counter electrode adjusts the arrangement mode of liquid crystal media, thus changes focal length The refractive index of adjustable lens.
In the alternatively possible embodiment of the embodiment of the present invention, described lens unit 521 The battery of lens constituted including: multi-disc lens, for regulating in battery of lens the phase para-position between lens Put the adjustment of battery of lens self focal length.
Except above two changes system by the characteristic of regulation lens unit 521 self Beyond light path parameter, it is also possible to come by the regulation described lens unit 521 position in light path The light path parameter of change system.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, in order to not affect User's viewing experience to the object of observation, and so that system can dressed with portable application On formula equipment, described adjustable imaging device 520 also includes: light-dividing device 522, is used for being formed Light transmission road between eyes and the object of observation and between eyes and image capture device 510 Footpath.So light path can be folded, reduce the volume of system, not affect simultaneously Other of user is experienced.
Preferably, in the present embodiment, described light-dividing device includes: the first spectrophotometric unit, Between eyes and the object of observation, for the light of viewed in transmittance object to eyes, transmit eyes Light to image capture device.
Described first spectrophotometric unit can be spectroscope, light splitting fiber waveguide (including optical fiber) or its The light-dividing device that it is suitable for.
In a kind of possible embodiment of the embodiment of the present invention, the image procossing of described system Equipment 530 includes light path calibration module, for calibrating the light path of system, such as, carries out The alignment etc. of light path light axis, to ensure the precision measured.
In a kind of possible embodiment of the embodiment of the present invention, described image processing equipment 530 include:
Image analysis module 531, is carried out point for the image that obtains described image capture device Analysis, finds image the most clearly；
Parameter calculating module 532, is used for according to described image the most clearly and obtains described During picture rich in detail, known to system, the focusing of imaging parameters calculating eye sight line arrives eyes Distance.
In the present embodiment, described image capture device is made by adjustable imaging device 520 510 can obtain image the most clearly, however it is necessary that by described image analysis module 531 Find this image the most clearly, now according to light known to described image the most clearly and system LUSHEN number just can the distance of focusing to eyes by being calculated eye sight line..
In a kind of possible embodiment of the embodiment of the present invention, it is preferable that described system is also Including: grenade instrumentation 540, for optical fundus projected spot.At a possible embodiment In, the function of this grenade instrumentation of sight line can be carried out by micro projector.
Here the hot spot projected can not have specific pattern to be only used for illuminating optical fundus.
In preferably a kind of embodiment of the embodiment of the present invention, the hot spot of described projection includes The pattern of feature rich.The feature rich of pattern can improve accuracy of detection so that detection.As Fig. 5 c show the exemplary plot of a spot pattern 550, and this pattern can be given birth to by spot pattern Grow up to be a useful person formation, such as clouded glass；Fig. 5 d show and shoots when there being spot pattern 550 to project The image on the optical fundus arrived.
In order to not affect the normal viewing of eyes, it is preferred that described hot spot is that eyes are sightless Infrared light spot.
Now, in order to reduce the interference of other spectrum:
The exit facet of described grenade instrumentation can be provided with eyes black light transmission filter.
The plane of incidence of described image capture device is provided with eyes black light transmission filter.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, at described image Reason equipment 530 also includes:
Projection control module 534, for the result obtained according to image analysis module, controls institute State the projected spot brightness of grenade instrumentation.
The figure that the most described projection control module 534 can obtain according to image capture device 510 The characteristic self-adaptative adjustment brightness of picture.Here the characteristic of image include characteristics of image contrast and Textural characteristics etc..
Here, a kind of special situation of projected spot brightness of described grenade instrumentation is controlled for beat Open or close and close grenade instrumentation, such as described throwing when user persistently watches attentively some, can be previously switched off Injection device；Can close luminous source when user enough becomes clear on optical fundus only utilizes optical fundus information to detect Eyes current gaze focusing is to the distance of eyes.
Additionally, described projection control module 534 can also control grenade instrumentation according to ambient light Projected spot brightness.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, at described image Reason equipment 530 also includes: image calibration module 533, for carrying out the calibration of eye fundus image, Obtain at least one benchmark image corresponding with the image that optical fundus presents.
The image that image capture device 530 is obtained by described image analysis module 531 and described base Quasi-image carries out comparing calculation, it is thus achieved that described image the most clearly.Here, described the most clearly Image can be the image minimum with described benchmark image difference obtained.In the present embodiment, The difference of the current image obtained and benchmark image, example is calculated by existing image processing algorithm As used the phase difference value auto-focusing algorithm of classics.
In the present embodiment, imaging parameters known to described light path includes the imaging parameters fixed With realtime imaging parameter, wherein realtime imaging parameter for obtain picture rich in detail time described lens list The parameter information of unit, this parameter information real time record can obtain when picture rich in detail described in obtaining Arrive.
After obtaining imaging parameters known to light path, it is possible to be calculated eyes focusing and arrive The distance of eyes, particularly as follows:
Fig. 5 e show eye imaging schematic diagram, in conjunction with the lens imaging in classical optical theory Formula, can be obtained formula (1) by Fig. 5 e:
1 d o + 1 d e = 1 f e - - - ( 1 )
Wherein doAnd deIt is respectively the real image on the current object of observation of eyes 5010 and retina 5020 distances arriving eyes equivalent lens 5030, feEquivalence for eyes equivalent lens 5030 is burnt Away from, X is the optical axis direction (i.e. the direction of sight line) of eyes.
Fig. 5 f show according to system known optical parameter obtain eyes focusing to eyes away from From schematic diagram, in Fig. 5 f, hot spot 5040 can become a virtual image (figure by lens unit 521 Not shown in 5f), it is assumed that this virtual image distance lens distance is x(intermediate quantity, in Fig. 5 f not Illustrate), equation below group can be obtained in conjunction with formula (1):
1 d p - 1 x = 1 f p 1 d i + x + 1 d e = 1 f e - - - ( 2 )
Wherein dpFor the optical equivalence distance of hot spot 5040 to lens unit 521, diFor lens Unit 521 arrives the optical equivalence distance of eyes equivalent lens 5030, fpFor lens unit 521 Focal length value, diFor the distance of described eyes equivalent lens 5030 to lens unit 521, di+x For the distance between the described virtual image to eyes equivalent lens 5030.
Current object of observation 5010(eyes focusing can be drawn by (1) and (2)) to eyes etc. Distance d of effect lens 5030oAs shown in formula (3):
d o = d i + d p · f p f p - d p - - - ( 3 )
Distance according to the above-mentioned calculated object of observation 5010 to eyes.
Be illustrated in figure 6 the embodiment of the present invention a kind of possible embodiment focusing away from Applying at glasses 400(glasses 400 here from detector unit 600 can be that the present invention implements The imaging device of example) on embodiment, it includes record interior of Fig. 5 b illustrated embodiment Hold, particularly as follows: as seen from Figure 6, in the present embodiment, on the right side of glasses 400 (no Be confined to this) be integrated with present embodiment focusing distance detector unit 600, comprising:
Minisize pick-up head 610, its effect sets with the image acquisition described in Fig. 5 b embodiment Standby identical, the sight line of object is normally watched in order to not affect user, it is arranged at glasses 200 Right outside；
First spectroscope 620, its effect and the first light splitting list described in Fig. 5 b embodiment Unit is identical, is arranged at eyes 200 direction of gaze and photographic head 610 incident direction with certain inclination angle Point of intersection, viewed in transmittance object enter eyes 200 light and reflection eyes to photographic head The light of 610；
Focus adjustable lens 630, its effect and the focus adjustable described in Fig. 5 b embodiment Lens are identical, between described first spectroscope 620 and photographic head 610, carry out Jiao in real time Adjustment away from value so that when certain focal length value, described photographic head 610 can photograph optical fundus Image clearly.
In the present embodiment, described image processing equipment does not represents in figure 6, its function Identical with the image processing equipment shown in Fig. 5 b.
Owing to generally, the brightness on optical fundus is inadequate, therefore, is preferably illuminated optical fundus, In the present embodiment, by a luminous source 640, optical fundus is illuminated.For not shadow Ringing the experience of user, preferably luminous source 640 is eyes black light here, preferably to eyes 200 impacts are little and photographic head 610 is again than more sensitive near infrared light luminous source.
In the present embodiment, described luminous source 640 is positioned at outside the spectacle frame on right side, therefore Need to complete described sending out together with described first spectroscope 620 by second spectroscope 650 The light that light source 640 sends is to the transmission on optical fundus.In present embodiment, described second spectroscope Before 650 planes of incidence being positioned at again photographic head 610, therefore it also needs to transmission optical fundus to second The light of spectroscope 650.
It can be seen that in the present embodiment, in order to improve Consumer's Experience and improve photographic head The collection definition of 610, described first spectroscope 620 preferably can have infrared external reflection The characteristic that rate is high, high to transmission of visible light.Such as can be at the first spectroscope 620 towards eye The side of eyeball 200 arranges infrared reflection film and realizes above-mentioned characteristic.
As seen from Figure 6, owing in the present embodiment, the distance detection of described focusing is single Unit 600 is positioned at the eyeglass side away from eyes 200 of glasses 600, therefore carries out eye optical When parameter calculates, eyeglass can be also considered as a part for eyes, now need not know The optical characteristics of road eyeglass.
In other embodiment of the embodiment of the present invention, described focusing distance detector unit 600 are likely located at the eyeglass of glasses 400 near the side of eyes 200, at this time, it may be necessary in advance Obtain the optical property parameter of eyeglass, and when calculating focusing distance, it is considered to the impact of eyeglass Factor.
The light that luminous source sends passes through the reflection of the second spectroscope 650, focus adjustable lens 630 Projection and the first spectroscope 620 reflection after again transmitted through glasses 400 eyeglass enter use Family eyes, and eventually arrive on the retina on optical fundus；Photographic head 610 is through described first light splitting The light path that mirror 620, focus adjustable lens 630 and the second spectroscope 650 are constituted is through eyes The pupil of 200 photographs the image on optical fundus.
It is illustrated in figure 7 the another embodiment focusing distance detection of the embodiment of the present invention The structural representation of unit 700.As seen from Figure 7, shown in present embodiment and Fig. 6 Embodiment is similar, saturating including minisize pick-up head the 710, second spectroscope 720, focus adjustable Mirror 730, difference is, grenade instrumentation 740 in the present embodiment is projected spot The grenade instrumentation 740 of pattern, and by a curved surface spectroscope 750 as curved surface light splitting list Unit instead of the first spectroscope in Fig. 6 embodiment.
Pupil when being employed herein curved surface spectroscope 750 the most corresponding eye optical axis direction difference Position, the image presented on optical fundus is delivered to image capture device.So photographic head can be clapped Take the photograph the imaging of eyeball all angles mixing superposition, but due to only by the optical fundus part of pupil Can on photographic head blur-free imaging, other parts can out of focus and cannot blur-free imaging, thus not The imaging of optical fundus part can be constituted severe jamming, the feature of optical fundus part still can detect Come.Therefore, compared with the embodiment shown in Fig. 6, present embodiment can be at eye gaze Can well obtain the image on optical fundus during different directions so that the focusing of present embodiment away from Wider from the detector unit scope of application, accuracy of detection is higher.
In the another embodiment of the embodiment of the present invention, described focusing distance detector unit Including:
Eye optical axis follows the tracks of equipment, for obtaining the optical axis direction parameter of eyes；
The degree of depth obtains equipment, for obtaining the depth information of eyes viewing scene；
Focusing distance calculates equipment, for according to the optical axis direction parameter of described eyes, adjustable The imaging parameters of lens module and the depth information of scene obtain the focusing of eye sight line to eye The distance of eyeball.
In the present embodiment, follow the tracks of equipment by eye optical axis and the degree of depth obtains equipment and obtains Stating parameter is prior art, repeats no more in present embodiment.Optical axis side according to described eyes The direction of visual lines that eyes are actual can be obtained to the imaging parameters of parameter and adjustable lens module.This In the imaging parameters of described adjustable lens module be optical axis direction parameter, in some cases, institute State imaging parameters it is also possible to include the dioptric parameter of described adjustable lens module, join according to these Number, by the formula of geometric optics, those skilled in the art can derive described easily The direction of visual lines that eyes are actual.Direction of visual lines and the degree of depth letter of described scene further according to this reality Breath, can obtain the focusing position of eye sight line, and and then obtains the focusing of eye sight line Distance to eyes.
In a kind of possible embodiment of the embodiment of the present invention, described line-of-sight detection module bag Include:
Convergence angle acquiring unit, for obtaining the practical convergence angle of described two an eye line.
Described convergence angle acquiring unit can be by the line-of-sight detection described in above example Module obtains the convergence angle number of degrees of described eyes or the focusing of the eye sight line distance to eyes, Then in conjunction with the imaging parameters of described adjustable lens module, regard by being calculated described two The practical convergence angle of line.
In a kind of possible embodiment of the embodiment of the present invention, described line-of-sight detection module bag Include:
Convergent point distance acquiring unit, for obtaining the convergent point of described two an eye line to eyes Distance.
Similarly, described convergent point distance acquiring unit can be by described in above example Line-of-sight detection module obtains the convergence angle number of degrees of described eyes or the focusing of eye sight line to eye The distance of eyeball, then in conjunction with the imaging parameters of described adjustable lens module, by being calculated The convergent point of described two an eye line is to the distance of eyes.
The structural representation of a kind of parameter generation module 800 that Fig. 8 provides for the embodiment of the present invention, Implementing of parameter generation module 800 is not limited by the specific embodiment of the invention.Such as figure Shown in 8, this parameter generation module 800 may include that
Processor (processor) 810, communication interface (Communications Interface) 820, Memorizer (memory) 830 and communication bus 840.Wherein:
Processor 810, communication interface 820 and memorizer 830 are by communication bus 840 Complete mutual communication.
Communication interface 820, for the net element communication with such as client etc..
Processor 810, is used for the program that performs 832, specifically can realize above-mentioned Fig. 1 to Fig. 4 The correlation function of parameter generation module in shown device embodiment.
Specifically, program 832 can include that program code, described program code include computer Operational order.
Processor 810 is probably a central processor CPU, or specific integrated circuit ASIC(Application Specific Integrated Circuit), or be configured to implement One or more integrated circuits of the embodiment of the present invention.
Memorizer 830, is used for program of depositing 832.Memorizer 830 may comprise high-speed RAM Memorizer, it is also possible to also include nonvolatile memory (non-volatile memory), such as At least one disk memory.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, The equipment of foregoing description and the specific works process of module, be referred in aforementioned means embodiment Corresponding description, do not repeat them here.
By embodiments described above, the embodiment of the present invention can be the most cosily to from eye Eyeball object close together is focused and assembles, and improves Consumer's Experience.
As it is shown in figure 9, the embodiment of the present invention additionally provides a kind of formation method, including:
S110: line-of-sight detection step, for detecting the convergence parameter of current eye；
S120: parameter generation step, for generating adjustable lens module according to described convergence parameter Imaging parameters, described imaging parameters includes optical axis direction parameter；Wherein, described adjustable lens Module is for the object of observation imaging to eyes；
S130: lens regulating step, for adjusting described adjustable lens according to described imaging parameters Module.
In embodiments of the present invention, adjustable lens module is arranged on eyes and the object of observation of user Between, when the optical axis direction Parameters variation of adjustable lens module, the direction of visual lines of eyes passes through Will change after described adjustable lens module, therefore by detecting the convergence of current eye Parameter, when needing to be adjusted the convergence of eyes, by regulating described adjustable lens module Optical axis direction parameter help user two an eye line assemble, then so that user is permissible The most closely viewing object or the display content of display device, improves Consumer's Experience. Meanwhile, further, the display content on display device then can include more more rich letter Breath, meets the demand of user.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described convergence is joined Count and include following one or more:
The convergence angle number of degrees of eyes；
The focusing of eye sight line is to the distance of eyes；
The practical convergence angle of two an eye line；
The convergent point of two an eye line is to the distance of eyes.
Therefore, described step S110 be specially obtain current eye above-mentioned parameter in one or Multiple step.The step obtaining above-mentioned each parameter is referred in said apparatus embodiment respectively examine The function surveying unit describes.Wherein, the focusing of detection eye sight line is to the step of the distance of eyes Suddenly specifically include:
Gather the image presented at the bottom of eye；
Carry out the regulation of the imaging parameters of light path between image capture position and eyes until gathering To image the most clearly；
The described image collected is processed, according to described in obtaining picture rich in detail time described in The imaging parameters of light path between image capture position and eyes, is calculated the focusing of eye sight line Point is to the distance of eyes.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described in carry out figure Include as gathering the regulation of the imaging parameters of light path between position and eyes: regulation be positioned at eyes with The focal length of the lens unit in light path and/or position in the optical path between image capture position.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described in carry out figure Include as gathering the regulation of the imaging parameters of light path between position and eyes:
The position of pupil during the most corresponding eye optical axis direction difference, the image presented on optical fundus passes It is delivered to described image capture device.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described detection eye The focusing of eyeball sight line also includes to the step of the distance of eyes:
To optical fundus projected spot pattern.
Preferably, in the alternatively possible embodiment of the embodiment of the present invention, described detection The focusing of current eye sight line includes to the step of the distance of eyes:
Obtain the optical axis direction parameter of eyes；
Obtain the depth information of eyes viewing scene；
Optical axis direction parameter according to described eyes, the imaging parameters of adjustable lens module and described The depth information of scene obtains the focusing distance to eyes of eye sight line.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described lens are adjusted Joint step includes:
Adjust described adjustable by the way of the attitude that machinery adjusts described adjustable lens module The optical axis direction of mirror module.
Preferably, in the alternatively possible embodiment of the embodiment of the present invention, described lens Regulating step includes:
Institute is adjusted by the way of adjusting the internally and/or externally structure of described adjustable lens module State the optical axis direction of adjustable lens module.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described adjustable Mirror module includes multi-disc lens, and the optical axis direction of a piece of lens of at least a part of which is adjustable.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described parameter is raw Step is become to include:
Judged whether the convergence parameter that currently convergence parameter and a upper moment obtain belongs to same setting In fixed threshold range；
Described current convergence parameter with on the convergence parameter in a moment not at same threshold range Time interior, generate the imaging parameters of described adjustable lens module.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described adjustable The imaging parameters of mirror module also includes the dioptric parameter of adjustable lens module.
Preferably, in a kind of possible embodiment of the embodiment of the present invention, described adjustable Mirror module includes multi-disc lens, and the optical axis direction of a piece of lens of at least a part of which is adjustable, the most a piece of The diopter of lens is adjustable.
Respective modules or unit in the embodiment of above steps and said apparatus embodiment The description of function is identical, and here is omitted.
Those of ordinary skill in the art are it is to be appreciated that combine the embodiments described herein and retouch The unit of each example stated and method step, it is possible to electronic hardware or computer software and Being implemented in combination in of electronic hardware.These functions perform with hardware or software mode actually, Depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can be to often Individual specifically should being used for uses different methods to realize described function, but this realization is not It is considered as beyond the scope of this invention.
If described function realizes and as independent product pin using the form of SFU software functional unit When selling or use, can be stored in a computer read/write memory medium.Based on such Understand, part that prior art is contributed by technical scheme the most in other words or The part of this technical scheme of person can embody with the form of software product, this computer software Product is stored in a storage medium, including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) performs the present invention, and each is real Execute all or part of step of method described in example.And aforesaid storage medium includes: USB flash disk, shifting Dynamic hard disk, read only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey The medium of sequence code.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, relevant The those of ordinary skill of technical field, without departing from the spirit and scope of the present invention, Can also make a variety of changes and modification, the technical scheme of the most all equivalents falls within the present invention Category, the scope of patent protection of the present invention should be defined by the claims.

Claims (34)

1. an imaging device, it is characterised in that including:
Adjustable lens module, for the object of observation imaging to eyes；
Line-of-sight detection module, for detecting the convergence parameter of current eye；
Parameter generation module, for generating described adjustable lens module according to described convergence parameter Imaging parameters, described imaging parameters includes optical axis direction parameter；
Lens adjustment module, for adjusting described adjustable lens module according to described imaging parameters, Including: according to the optical axis direction of adjustable lens module described in described optical axis direction parameter adjustment, with Convergence to described eyes is adjusted.
2. device as claimed in claim 1, it is characterised in that described convergence parameter includes The convergence angle number of degrees of eyes；
Described line-of-sight detection module includes:
Convergence angle detector unit, for detecting the convergence angle number of degrees of current eye.
3. device as claimed in claim 1, it is characterised in that described convergence parameter includes The focusing of eye sight line is to the distance of eyes；
Described line-of-sight detection module includes:
Focusing distance detector unit, arrives eyes for detecting the focusing of current eye sight line Distance.
4. device as claimed in claim 3, it is characterised in that described focusing distance inspection Survey unit includes:
Image capture device, for gathering the image presented at the bottom of eye；
Adjustable imaging device, for carrying out becoming of light path between described image capture device and eyes It is adjusted so that described image capture device obtains image the most clearly as parameter；
Image processing equipment, processes for the image obtaining described image capture device, According to described in obtaining picture rich in detail time described image capture device and eyes between the becoming of light path As parameter, it is calculated the focusing distance to eyes of eye sight line.
5. device as claimed in claim 4, it is characterised in that described adjustable imaging device Including:
Lens unit, in the light path between eyes and described image capture device, self is burnt Adjustable away from position adjustable and/or in the optical path.
6. device as claimed in claim 4, it is characterised in that described adjustable imaging device Including:
Curved surface spectrophotometric unit, the position of pupil when the most corresponding eye optical axis direction difference, The image presented on optical fundus is delivered to described image capture device.
7. device as claimed in claim 4, it is characterised in that described focusing distance detection Unit also includes:
Device for projecting, for optical fundus projected spot pattern.
8. device as claimed in claim 3, it is characterised in that described focusing distance detection Unit includes:
Eye optical axis follows the tracks of equipment, for obtaining the optical axis direction parameter of eyes；
The degree of depth obtains equipment, for obtaining the depth information of eyes viewing scene；
Focusing distance calculates equipment, for according to the optical axis direction parameter of described eyes, adjustable The imaging parameters of lens module and the depth information of scene obtain the focusing of eye sight line to eye The distance of eyeball.
9. the device as according to any one of claim 1 to 8, it is characterised in that described Assemble parameter and include the practical convergence angle of two an eye line；
Described line-of-sight detection module includes:
Convergence angle acquiring unit, for obtaining the practical convergence angle of described two an eye line.
10. the device as according to any one of claim 1 to 8, it is characterised in that described meeting Poly-parameter includes the convergent point distance to eyes of two an eye line；
Described line-of-sight detection module includes:
Convergent point distance acquiring unit, for obtaining the convergent point of described two an eye line to eyes Distance.
11. devices as claimed in claim 1, it is characterised in that described lens adjustment module Described adjustable for adjusting by the way of the attitude that machinery adjusts described adjustable lens module The optical axis direction of mirror module.
12. devices as claimed in claim 1, it is characterised in that described lens adjustment module For adjusting institute by the way of adjusting the internally and/or externally structure of described adjustable lens module State the optical axis direction of adjustable lens module.
13. devices as claimed in claim 1, it is characterised in that described adjustable lens module Including multi-disc lens, the optical axis direction of a piece of lens of at least a part of which is adjustable.
14. devices as claimed in claim 1, it is characterised in that described parameter generation module Including:
Threshold decision unit, is used for judging currently to assemble the convergence ginseng that parameter obtained with a upper moment Whether number belongs in the threshold range of same setting；
Parameter generating unit, for described current convergence parameter with on the convergence parameter in a moment Time not in same threshold range, generate the imaging parameters of described adjustable lens module.
15. devices as described in claim 1 or 14, it is characterised in that described adjustable lens The imaging parameters of module also includes the dioptric parameter of adjustable lens module.
16. devices as claimed in claim 15, it is characterised in that described adjustable lens mould Block includes multi-disc lens, the optical axis direction lens adjustable, the most a piece of of a piece of lens of at least a part of which Diopter adjustable.
17. 1 kinds of formation methods, it is characterised in that including:
Line-of-sight detection step, for detecting the convergence parameter of current eye；
Parameter generation step, for generating the imaging of adjustable lens module according to described convergence parameter Parameter, described imaging parameters includes optical axis direction parameter；Wherein, described adjustable lens module is used In the object of observation imaging to eyes；
Lens regulating step, for adjusting described adjustable lens module according to described imaging parameters, Including: according to the optical axis direction of adjustable lens module described in described optical axis direction parameter adjustment, with Convergence to described eyes is adjusted.
18. methods as claimed in claim 17, it is characterised in that described convergence parameter bag Include the convergence angle number of degrees of eyes.
19. methods as claimed in claim 18, it is characterised in that described line-of-sight detection walks Suddenly include:
The convergence angle number of degrees of detection current eye.
20. methods as claimed in claim 17, it is characterised in that described convergence parameter bag Include the focusing distance to eyes of eye sight line.
21. methods as claimed in claim 20, it is characterised in that described line-of-sight detection walks Suddenly include:
The focusing of detection current eye sight line is to the distance of eyes.
22. methods as claimed in claim 21, it is characterised in that the current eye of described detection The focusing of eyeball sight line includes to the step of the distance of eyes:
Gather the image presented at the bottom of eye；
Carry out the regulation of the imaging parameters of light path between image capture position and eyes until gathering To image the most clearly；
The described image collected is processed, according to described in obtaining picture rich in detail time described in The imaging parameters of light path between image capture position and eyes, is calculated the focusing of eye sight line Point is to the distance of eyes.
23. methods as claimed in claim 22, it is characterised in that described in carry out image and adopt Between collection position and eyes, the regulation of the imaging parameters of light path includes: regulation is positioned at eyes and image The focal length of the lens unit gathered between position in light path and/or position in the optical path.
24. methods as claimed in claim 22, it is characterised in that described method also includes:
The position of pupil during the most corresponding eye optical axis direction difference, the image presented on optical fundus passes It is delivered to described image capture device.
25. methods as claimed in claim 22, it is characterised in that described detection eye sight line Focusing also include to the step of the distance of eyes:
To optical fundus projected spot pattern.
26. methods as claimed in claim 21, it is characterised in that described detection current eye The focusing of sight line includes to the step of the distance of eyes:
Obtain the optical axis direction parameter of eyes；
Obtain the depth information of eyes viewing scene；
Optical axis direction parameter according to described eyes, the imaging parameters of adjustable lens module and described The depth information of scene obtains the focusing distance to eyes of eye sight line.
27. methods as according to any one of claim 17 to 26, it is characterised in that institute State convergence parameter and include the practical convergence angle of two an eye line.
28. methods as claimed in claim 27, it is characterised in that described line-of-sight detection walks Suddenly include:
Obtain the practical convergence angle of described two an eye line.
29. methods as according to any one of claim 17 to 26, it is characterised in that described Assemble parameter and include the convergent point distance to eyes of two an eye line.
30. methods as claimed in claim 29, it is characterised in that described line-of-sight detection step Including:
Obtain the convergent point distance to eyes of described two an eye line.
31. methods as claimed in claim 17, it is characterised in that described lens regulation step Suddenly include:
Adjust described adjustable by the way of the attitude that machinery adjusts described adjustable lens module The optical axis direction of mirror module.
32. methods as claimed in claim 17, it is characterised in that described lens regulation step Suddenly include:
Institute is adjusted by the way of adjusting the internally and/or externally structure of described adjustable lens module State the optical axis direction of adjustable lens module.
33. methods as claimed in claim 17, it is characterised in that described parameter generation step Including:
Judged whether the convergence parameter that currently convergence parameter and a upper moment obtain belongs to same setting In fixed threshold range；
Described current convergence parameter with on the convergence parameter in a moment not at same threshold range Time interior, generate the imaging parameters of described adjustable lens module.
34. methods as claimed in claim 17, it is characterised in that described adjustable lens module Imaging parameters also include the dioptric parameter of adjustable lens module.
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