CN203861189U - Pupil distance and pupil height measuring instrument based on binocular vision - Google Patents
Pupil distance and pupil height measuring instrument based on binocular vision Download PDFInfo
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- CN203861189U CN203861189U CN201320707605.5U CN201320707605U CN203861189U CN 203861189 U CN203861189 U CN 203861189U CN 201320707605 U CN201320707605 U CN 201320707605U CN 203861189 U CN203861189 U CN 203861189U
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- interpupillary distance
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Abstract
The utility model discloses a pupil distance and pupil height measuring instrument based on binocular vision. The instrument comprises two image collectors, a control circuit, a displayer, a target LED, illumination devices, buttons, a power supply, a power switch, a charging/external power supply interface and a shell. The two image collectors are adopted to collect an image of a person needing glasses, pixel values of the pupil distance and pupil height in the image are measured through an image recognition algorithm, then the distance between the eyeballs of the person needing the glasses and the target LED is calculated through a binocular vision distance measurement algorithm, and then the actual pupil distance value and the actual pupil height of the person needing the glasses are obtained through conversion. The facial image of the person needing the glasses can be directly collected to detect the pupil distance, and the pupil distance and pupil height can be detected at one time in the mode that the person needing the glasses wears the glasses. The displayer can display information with the fixed format, and displayed information can be selected through the buttons. The instrument is portable, flexible and convenient to use, low in cost and high in cost performance.
Description
Technical field
This utility model relates to embedded technology, and image processing techniques refers more particularly to a kind of interpupillary distance and pupil height measuring instrument based on binocular vision of glasses processing industry.
Background technology
Can measure at present interpupillary distance and the high optometry equipment of pupil simultaneously, large and heavy, only by optometrist, operated, and operating procedure to be complicated fixing local use, the operating time is long, inefficiency.
Market only exists portable being used for to measure the instrument of interpupillary distance at present, is respectively the centrometer of measuring ruler, hairspring centrometer and single image harvester.Ruler is measured and can only be operated by professional optometrist, not only unhygienic, and high to the technical merit dependency of optometrist, measures coarse.Hairspring centrometer complex structure, can only be operated by professional optometrist equally, and unhygienic, Measuring Time is long, and the probability that subjective judgment is made mistakes is larger, and repeated measure precision is not high.Although single image harvester centrometer can by joining mirror, person measures voluntarily, but require strict to measuring posture, repeated measure concordance is bad, and because the difference person's that joins mirror measurement posture and eyeball are different at the sinking degree of eye socket, the person's that causes different measuring certainty of measurement is also inconsistent.
Summary of the invention
For deficiency of the prior art, the purpose of this utility model is, a kind of portable measurement interpupillary distance and the high measuring instrument of pupil are provided, can not rely on optometrist and person measures voluntarily by joining mirror, also without the measurement posture to the person that joins mirror, make special requirement, because difference joins mirror, person's eyeball is different at the sinking degree of eye socket, the person's that causes different measuring certainty of measurement is inconsistent, Measuring Time is short, and measuring accuracy is high, high conformity.
For achieving the above object, the technical solution adopted in the utility model is based on binocular vision design interpupillary distance and pupil height measuring instrument, adopt two image acquisition device collections person's that joins mirror image, by image recognition algorithm, record interpupillary distance and the high pixel value of pupil, by binocular vision location algorithm, calculated again the distance of the person's eyeball of joining mirror and target LED, then conversion show that interpupillary distance value and the pupil of the person's reality of joining mirror are high.
Can directly gather the person's that joins mirror facial image detection interpupillary distance, also can be by the person's wearing spectacles of joining mirror, then detect interpupillary distance and pupil is high; The glasses of wearing can be equipped with eyeglass can not have eyeglass yet.
This instrument comprises two image acquisition devices, control circuit, display, target LED, illuminating device, button, power supply, on and off switch, charging/external power interface, housing; The important technology improvement of the image acquisition mode of described two image acquisition devices for carrying out for the deficiencies in the prior art.
Described image acquisition device, display, target LED, illuminating device, button, power supply, on and off switch is connected with described control circuit respectively, described image acquisition device can be fixed focal length, also can be autozoom, enclosure interior can be positioned at and also hull outside can be positioned at, can also be as card type digital camera, image acquisition device can retraction enclosure interior also can stretch out hull outside, described control circuit is positioned at described enclosure interior, described display, button, on and off switch, charging/external power interface is positioned on described housing, described target LED, illuminating device can be positioned on described housing, also can be positioned at enclosure interior, described power supply can be placed in described enclosure interior, also can be externally.
The detection port of described housing can be that linear type can be also the shaped form that has certain radian.The detection window at detection port place, can reveal sky, also can have glass or other transparent substances as the baffle plate of detection window.
Image acquisition device is Embedded, can be CMOS harvester, can be also CCD harvester.
The core of control circuit can be the programmable chip that CPU is contained in inside, as ARM, and DSP, single-chip microcomputers etc., can be also the logical devices such as FPGA, CPLD.Control circuit can be single circuit board, can be also that two circuit boards or polylith circuit board are formed by connecting.
Display can show the person's image of joining mirror that collects and the recognition result of eyeball, also can show sighting distance, also can show left and right interpupillary distance and eyes interpupillary distance.
Device and the target LED lamp that in control circuit, can have floor light, the device of floor light can be infrared LED, can be also the illuminating device of other modes.Target LED lamp can be that white can be also other colors, also can between target LED lamp and detection window, increase background picture.
Button can be two, is used separately as to detect interpupillary distance after interpupillary distance direct-detection and wearing spectacles and pupil is high, and can be also a plurality of, be used separately as interpupillary distance and detect, pupil high detection, detects after wearing spectacles, and displaying contents switches, and switching on and shutting down reset and other purposes; Described button also can be undertaken multiplexing by difference in functionality.
Power supply can be instrument internal battery, can be also detachable or fixing external battery, can be also external other power supplys.On and off switch, can be button, can be also touch, can be also guillotine type, can also be the switch of timing automatic control formula or other types, as power supply and being connected or disconnection of control circuit.
Housing can be furnished with spider and also can be furnished with spring(-supported) mount and whole housing is set up and assist fixed test posture.
A kind of interpupillary distance and pupil height measuring instrument based on binocular vision described in the utility model, compared with prior art, has the following advantages:
1. accurately measure interpupillary distance and pupil high, high reliability, high concordance;
2. measure simple and convenient and portable.Person can measure voluntarily to join mirror, auxiliary without other people, clean hygiene;
3. the suitability is wide.Without the measurement posture to gauger, be restricted, also without distinguishing measurement because of the difference of enophthalmos,enophthalmus degree;
4. fully automatic electric minor instrument, measures automatically, and identification automatically, calculates automatically, automatically shows, without anthropic factor, affects;
5. simple in structure, with low cost.
Accompanying drawing explanation
Fig. 1 is external structure schematic diagram of the present utility model.
Fig. 2 is the battery schematic diagram of installing in Fig. 1.
Fig. 3 is detection window schematic diagram in Fig. 1.
Fig. 4 is internal module of the present utility model and connection diagram.
Fig. 5, Fig. 6, Fig. 7 are internal circuit board structural representation of the present utility model.
Fig. 8 is internal circuit board connection diagram of the present utility model.
Fig. 9 is image capture module-dual image harvester schematic diagram in Fig. 4.
Figure 10 is that image capture module exposes schematic diagram.
Figure 11 is the schematic diagram of one of overall structure of this utility model embodiment.
Figure 12, Figure 13 are that this utility model is used posture schematic diagram.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is elaborated.Drawings and Examples and implementation, be used for further describing this utility model, but not as scope restriction of the present utility model.This utility model adopts two image acquisition device collections person's that joins mirror image, by image recognition algorithm, record interpupillary distance and the high pixel value of pupil, by binocular vision location algorithm, calculated again the distance of the person's eyeball of joining mirror and target LED, then conversion show that interpupillary distance value and the pupil of the person's reality of joining mirror are high; Can directly gather the person's that joins mirror facial image detection interpupillary distance, also can be by the person's wearing spectacles of joining mirror, then detect interpupillary distance and pupil is high.
Composition of the present utility model, has comprised nine parts, is respectively two image acquisition devices 10, control circuit 20, display 30, target LED40, illuminating device 50, button (comprising on and off switch) 60, power supply 70, charging/external power interface 80, housing 90.Wherein, described display 30, button 60, charging/external power interface 80 is positioned on housing 90; Described two image acquisition devices 10, target LED 40, and illuminating device 50 can be to be positioned at enclosure interior, can be to be also positioned at hull outside, can also be as card type digital camera, and image acquisition device can retraction enclosure interior also can stretch out hull outside; Described control circuit 20 is positioned at enclosure interior; Described power supply 70 can be positioned on housing, also can be positioned at enclosure interior.
External structure of the present utility model as shown in Figure 1.The left figure of Fig. 1 is the upper surface of interpupillary distance and pupil height measuring instrument, the schematic diagram of side and front surface; Right figure is lower surface schematic diagram.Fig. 1 is a kind of signal of interpupillary distance and pupil height measuring instrument, can not describe outward appearance of the present utility model and all features completely, and the position of face shaping and building block is not limited by Fig. 1.Described display 30 is liquid crystal display, can select screen also can select color line screen; Can select the segment code type also can selected element configuration; Can show the person's image of joining mirror that collects and the recognition result of eyeball, also can show sighting distance, also can show left and right interpupillary distance and eyes interpupillary distance; Sighting distance and the left and right interpupillary distance under corresponding sighting distance and the eyes interpupillary distance that can show 30cm, 40cm, 50cm, 1m, 2m and ∞ simultaneously, also can display section sighting distance and sighting distance under left and right interpupillary distance and eyes interpupillary distance, the sighting distance of demonstration and interpupillary distance information can be selected and be switched by button 60.Described button 60 can be two, is used separately as to detect interpupillary distance after interpupillary distance direct-detection and wearing spectacles and pupil is high; Can be three, be used separately as on and off switch, the selection of test button and video data be switched; Also can be a plurality of, be used separately as interpupillary distance and detect, pupil high detection, detects after wearing spectacles, accuracy selection, and displaying contents switches, displaying contents locking, data reset, open and close machine and other purposes.Described button 60 can be that single is short in practical function, can be repeatedly short in practical function continuously, can be also long by practical function.Same button shown in button 60, can pass through different key modes, realizes different functions.Button 60 can substitute with contact witch or guillotine type switch.
Described power supply 70 is arranged in the draw-in groove of shell, as shown in Figure 1.Power supply 70 can be battery powered, can be also to power by power supply adaptor; Battery can be aneroid battery, can be also lithium battery.As shown in Figure 2, lithium battery can be shown in left figure, to be directly installed on the lithium battery in draw-in groove, by electrode 702, powers; Also can be to stick on enclosure shown in right figure, wire 704 is connected to electric power system shown in Fig. 4 and power; Profile shown in 701, is not used for limiting the shape of lithium battery; Lithium battery is rechargeable battery, can charge by 702 or 704, also can by 703, charge separately.
Described charging/external power interface 80 is positioned at housing exterior, and particular location can arrange with convenience as required.This interface is connected to 70 and for outside, battery is charged or be connected to the electric power system shown in Fig. 4 and for outside, system is powered.
Described housing 90 as shown in figures 1 and 3.Housing 90 has comprised upper lower casing, borehole, detection port 901, detection window 902, support 903, nose support 904.Detection port 901 can be the straight line port shown in the left figure of Fig. 1, can be also the port that has radian shown in the right figure of Fig. 1.Detection window 902 can be to reveal emptyly, can be also with water white transparency baffle plate (as conventional clear glass etc.), can also be with coloured transparent baffle (as dark-brown glass, liquid crystal etc.).Support 903 shapes are not limited by Fig. 3, can be spiders, can be spring(-supported) mounts yet, for support housing and assistance fixed test posture.Nose support 904 can be directly moulding on housing, can be also that another one moulding is arranged between housing detection window, for fixed test posture.
Internal module of the present utility model and connection diagram as shown in Figure 4, comprise image capturing system 10, and control circuit 20 shows liquid crystal 30, button 60 and power module 70.Described control circuit 20 comprises display driver 205, electric power system 203, button logic 204, computing and control system 202.Described image capturing system 10 can be to be positioned at enclosure interior, can be to be also positioned at hull outside, can also be as card type digital camera, and image acquisition device can retraction enclosure interior also can stretch out hull outside; Described control circuit 20 is positioned at housing 90 inside.Computing and control system shown in Fig. 4 202 is whole system nucleus module, and its core component can be the programmable chip that CPU is contained in inside, as ARM, and DSP, single-chip microcomputers etc., can be also the logical devices such as FPGA, CPLD.Power module 70 provides power supply by electric power system 203 for computing and control system 202; Computing and control system 202 is connected and carries out information interaction with image capturing system 10, display driver 205 and button logic 204; Computing and control system 202 is controlled and is shown that the information of liquid crystal 30 shows by display driver 205; Button 60 transmits instruction to computing and control system 202 by button logic 204.
Image capturing system 10 and control circuit 20 can be integrated on a circuit board as shown in Figure 5; Also can be integrated on two circuit boards, as shown in Figure 6, button logic 204 and display driver 205 integrate, image capturing system 10, and electric power system 203, computing and control system 202 integrates; Can also be integrated on three circuit boards, as shown in Figure 7, button logic 204 integrates with display driver 205, and electric power system 203 integrates with computing and control system 202, the independent circuit board of image capturing system 10.The distribution integrated approach of circuit board described in the utility model, is described as embodiment, can also have other to distribute integrated approach, also within the scope of this utility model.
As shown in Figure 8,003 represents the circuit board in control circuit 20, image capturing system 10 for the circuit board 201 of described control circuit 20 and the method for attachment of image capturing system 10.Can be that the contact pin 206 that passes through shown in the left figure of Fig. 8 connects; Also can be that in Fig. 8, circuit board shown in figure directly carries out straight cutting connection; Can also be that the wire 207 that passes through shown in the right figure of Fig. 8 directly connects.The circuit board of control circuit 20, image capturing system 10, can be fixed on enclosure interior by draw-in groove, also can stick on enclosure interior by viscose glue, can also be screwed in enclosure interior.
Described image capturing system as shown in Figure 9, is one of most important innovative point of this utility model.The centrometer of current market based on image processing method formula, adopt fixing test distance to calculate interpupillary distance, this mode is because tester tests the difference of posture and the degree difference that measured's eyeball caves at eye socket, cause that measuring distance changes, cause test error larger, concordance and reliability cannot guarantee.The image capturing system 10 that this utility model adopts, adopted two image acquisition devices to substitute single image harvester, can utilize two image acquisition devices to gather image information, adopt binocular vision location algorithm to calculate to join mirror the distance of person's eyeball and target LED, according to actual sighting distance convert again interpupillary distance and pupil high, the interpupillary distance testing out and pupil are high is that the actual interpupillary distance of tester and pupil are high, and precision is high and can guarantee concordance and reliability.101 circuit boards that are image capturing system in Fig. 9.102 is two image acquisition devices, and described image acquisition device is Embedded, can be CMOS harvester, can be also CCD harvester; Described image acquisition device can be fixed focal length, can be also autozoom; Described image acquisition device can be to be positioned at enclosure interior, can be to be also positioned at hull outside, can also be as card type digital camera, and image acquisition device can retraction enclosure interior also can stretch out hull outside.Figure 10 only also can expose hull outside schematic diagram for presentation graphic harvester is positioned at enclosure interior, does not conflict, and do not limit other guide in this patent with other parts of this patent.The left figure of Figure 10 and Figure 11 are that image acquisition device is positioned at enclosure interior schematic diagram, and wherein, 103 in the left figure of Figure 10 is housing, and 104 is retractable baffle plate, and baffle plate is opened, and exposes image acquisition device and can carry out image acquisition.The right figure of Figure 10 is that image acquisition device exposes hull outside schematic diagram) 105 for dual image harvester.Figure 10 also can develop into as card type digital camera, and image acquisition device can retraction enclosure interior also can stretch out hull outside, i.e. the left figure representation image acquisition device of Figure 10 retraction enclosure interior, and the right figure representation image acquisition device of Figure 10 stretches out hull outside.
Described target LED40 and illuminating device 50 as shown in Figure 9, can be integrated on 101 circuit boards as shown in Figure 5, also design circuit plate separately.Target LED40, can be white, can be also other colors, also can between target LED lamp and detection window, increase background picture.Floor light device 50, can be infrared LED, can be also the illuminating device of other modes.
According to above-mentioned embodiment, this utility model can be selected multiple integrally-built embodiment.Figure 11 is the schematic diagram of one of overall structure embodiment, but is not used for limiting overall structure embodiment.Figure 11 power supply 70 is selected lithium battery power supplies, by 704, is connected with electric power system, and the while is connected with charging/external power interface 80, can be directly by interface 80, charges for battery; Detection port 901 is selected the straight line port shown in the left figure of Fig. 1; Window 902 is selected to reveal empty; Nose support 904 is selected directly moulding on housing; Image capturing system 10, display driver 205, button logic 204, electric power system 203, computing and control system 202 are selected to be integrated on three circuit boards, integration mode as shown in Figure 7, button logic 204 integrates with display driver 205, electric power system 203 integrates with computing and control system 202, the independent circuit board of image capturing system 10; Between 202/203 and 10, select to be connected by contact pin 206,202/203 and 204/205 selects to be connected by wire 207; Image capturing system 10 is selected to be fixed on enclosure interior by the draw-in groove 905 on housing; Target LED40 and illuminating device 50, select to be integrated on 101 circuit boards as shown in Figure 9.
This utility model has solved that person detects the problem that posture will be strict with to joining mirror.No matter person has rawness to join mirror, can measure interpupillary distance accurately easily and pupil is high.As shown in figure 12,001 represents eyes, and 90 is this utility model housing, tester's eyes are aimed at respectively the form on left and right both sides, be no matter left eye close to corresponding form, or right eye is close to corresponding form, or images of left and right eyes is the same from corresponding form distance, can Measurement accuracy.As shown in figure 13,002 represents that measured is straight while standing, the profile signal of health side, 90 is the side signal of this utility model housing, measured's hand-held instrument, eyes are aimed at after form, keep form invariant position, by instrument afterbody raise up, sagging or maintenance level is constant, can carry out Measurement accuracy.Eyes are aimed at after form, as long as eyeball, within the scope of detection window, can accurately be tested.
Claims (8)
1. interpupillary distance and the pupil height measuring instrument based on binocular vision, it is characterized in that: the image that adopts two image acquisition device collections person that joins mirror, by image recognition algorithm, record interpupillary distance and the high pixel value of pupil, by binocular vision location algorithm, calculated again the distance of the person's eyeball of joining mirror and target LED, then conversion show that interpupillary distance value and the pupil of the person's reality of joining mirror are high; Can directly gather the person's that joins mirror facial image detection interpupillary distance, also can be by the person's wearing spectacles of joining mirror, then detect interpupillary distance and pupil is high, the glasses of wearing can be equipped with eyeglass can not have eyeglass yet; This instrument comprises two image acquisition devices, control circuit, display, target LED, illuminating device, button, power supply, on and off switch, charging/external power interface, housing; Described image acquisition device, display, target LED, illuminating device, button, power supply, on and off switch is connected with described control circuit respectively, and described image acquisition device can be fixed focal length, also can be autozoom, can be positioned at enclosure interior and also can be positioned at hull outside, can also be as card type digital camera, and image acquisition device can retraction enclosure interior also can stretch out hull outside; Described control circuit is positioned at described enclosure interior, described display, button, on and off switch, charging/external power interface is positioned on described housing, described target LED, illuminating device can be positioned on described housing, also can be positioned at enclosure interior, described power supply can be placed in described enclosure interior, also can be externally; The detection port of described housing can be that linear type can be also the shaped form that has certain radian; The detection window at detection port place, can reveal sky, also can have glass or other transparent substances as the baffle plate of detection window.
2. according to a kind of interpupillary distance and the pupil height measuring instrument based on binocular vision described in claim 1, it is characterized in that: described image acquisition device is Embedded, can be CMOS harvester, can be also CCD harvester.
3. according to a kind of interpupillary distance and the pupil height measuring instrument based on binocular vision described in claim 1, it is characterized in that: the core of described control circuit can be the programmable chip that CPU is contained in inside, as ARM, DSP, single-chip microcomputers etc. can be also the logical devices such as FPGA, CPLD; Control circuit can be single circuit board, can be also that two circuit boards or polylith circuit board are formed by connecting.
4. according to a kind of interpupillary distance and the pupil height measuring instrument based on binocular vision described in claim 1, it is characterized in that: described display can show the person's image of joining mirror that collects and the recognition result of eyeball, also sighting distance be can show, left and right interpupillary distance and eyes interpupillary distance also can be shown.
5. according to a kind of interpupillary distance and the pupil height measuring instrument based on binocular vision described in claim 1, it is characterized in that: in described control circuit, can have the device of floor light, this device can be infrared LED, can be also the illuminating device of other modes; Can have target LED lamp, can be that white can be also other colors, also can between target LED lamp and detection window, increase background picture.
6. according to a kind of interpupillary distance and the pupil height measuring instrument based on binocular vision described in claim 1, it is characterized in that: described button can be two, be used separately as and detect interpupillary distance after interpupillary distance direct-detection and wearing spectacles and pupil is high, also can be a plurality of, be used separately as interpupillary distance and detect, pupil high detection, after wearing spectacles, detect, displaying contents switches, and switching on and shutting down reset and other purposes; Described button also can be undertaken multiplexing by difference in functionality.
7. a kind of interpupillary distance and pupil height measuring instrument based on binocular vision according to claim 1, is characterized in that: described power supply can be instrument internal battery, can be also detachable or fixing external battery, can be also external other power supplys; On and off switch, can be button, can be also touch, can be also guillotine type, can also be the switch of timing automatic control formula or other types, as power supply and being connected or disconnection of control circuit.
8. according to a kind of interpupillary distance and the pupil height measuring instrument based on binocular vision described in claim 1, it is characterized in that: described housing can be furnished with that spider also can be furnished with that spring(-supported) mount is set up whole housing and for assisting fixed test posture.
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|---|---|---|---|
| CN201320707605.5U CN203861189U (en) | 2013-11-11 | 2013-11-11 | Pupil distance and pupil height measuring instrument based on binocular vision |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320707605.5U CN203861189U (en) | 2013-11-11 | 2013-11-11 | Pupil distance and pupil height measuring instrument based on binocular vision |
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| CN203861189U true CN203861189U (en) | 2014-10-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880154A (en) * | 2015-06-03 | 2015-09-02 | 西安交通大学 | Internet-of-things binocular vision zoom dynamic target tracking test system platform and Internet-of-things binocular vision zoom dynamic target tracking ranging method |
| CN108272433A (en) * | 2018-01-23 | 2018-07-13 | 梁馨予 | Multifunctional eye is away from inductance gauge |
| CN109497925A (en) * | 2018-12-29 | 2019-03-22 | 上海理工大学 | Eye visual function evaluating apparatus and eye Evaluation of visual function |
-
2013
- 2013-11-11 CN CN201320707605.5U patent/CN203861189U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880154A (en) * | 2015-06-03 | 2015-09-02 | 西安交通大学 | Internet-of-things binocular vision zoom dynamic target tracking test system platform and Internet-of-things binocular vision zoom dynamic target tracking ranging method |
| CN108272433A (en) * | 2018-01-23 | 2018-07-13 | 梁馨予 | Multifunctional eye is away from inductance gauge |
| CN109497925A (en) * | 2018-12-29 | 2019-03-22 | 上海理工大学 | Eye visual function evaluating apparatus and eye Evaluation of visual function |
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Granted publication date: 20141008 Termination date: 20181111 |
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