CN203444338U - Self-adaptive image information acquisition device simulating compound eye - Google Patents
Self-adaptive image information acquisition device simulating compound eye Download PDFInfo
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- CN203444338U CN203444338U CN201320558476.8U CN201320558476U CN203444338U CN 203444338 U CN203444338 U CN 203444338U CN 201320558476 U CN201320558476 U CN 201320558476U CN 203444338 U CN203444338 U CN 203444338U
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Abstract
The utility model relates to a self-adaptive image information acquisition device simulating a compound eye. The device comprises a compound eye lens array which is used for the compound eye to acquire target scene information. The compound eye lens array comprises four ommatidium image acquisition units and a guide rail component which is formed by splicing four guide rails in an X-shaped symmetrical mode. The four ommatidium image acquisition units are respectively arranged on the four guide rails and symmetrically distributed according to the center of the guide rail component. Each ommatidium image acquisition unit comprises a lens and an imaging device which is arranged on the rear end of the lens. Each guide rail is respectively provided with a transmission mechanism which is used for driving the ommatidium image acquisition units to move along the corresponding guide rails in a synchronous face-to-face or back-to-back mode with same speed. The device also comprises a light-sensitive sensor which is arranged on the central point of the guide rail component, and a processor module which is connected with the light-sensitive sensor. A one-chip microcomputer module is connected with each motor driving module in the transmission mechanisms.
Description
Technical field
The utility model relates to a kind of adapting to image information collecting device, relates in particular to the compound eye adapting to image information collecting device of a kind of imitative squill.
Background technology
In the prior art, by Digital Micromirror Device, scene image is sampled, because light is strong and weak, changes and directly affect image quality, so while there will be light strong, sharpness is high, when light is weak, sharpness reduces, and noise increases; Although have a lot of software processing methods to improve the sharpness under decreased light, treatment effect is not good, for example, nearest-neighbor interpolation method, bilinear interpolation method, two cubes of interpolation methods etc.Bilinear interpolation method has higher reconstruct accuracy than nearest-neighbor interpolation method, and image recovery effects is better, but image there will be sawtooth and blooming.Although the reconstruct effect of two cubes of interpolation methods is better than the above two, but take, to sacrifice efficiency be cost, and its spent time is several times even tens times of other method.Simultaneously these algorithms are only considered local pixel and overall correlativity, have certain effect, yet but destroyed the high frequency details of original image in raising image recovery effects.
Now studies have found that, insect has comparatively broad living environment, for example, the waters that squill lives under water 50 meters extend to 100 meters under water always.In this environment, acting in conjunction due to solar irradiation and aqueous medium, its illumination condition produces violent variation, in order to adapt to this changeable living environment, these species under the fixing prerequisite of ommatidium arrangement architecture, by the acting in conjunction of crystalline lens, rhabdom, the size of adaptive adjusting light acceptance angle, in the ken of whole compound eye, form in various degree overlapping, finally according to different light environments, receive the optical information of different qualities.Under bright and dark two kinds of illumination conditions, squill is by the lax of myofilament and tighten the length that regulates crystalline lens and rhabdom, thereby realize the effect that the ommatidium ken is dwindled or expanded, obtain metastable photon numbers or good spatial resolution, make the two reach balance.According to acquired results under laboratory condition, squill is under different illumination intensity environment, and the imaging of its compound eye goes wide angle and the ken that respective change can occur, and if its ommatidium ken under light adaptation is 5 degree, is 2.5 times of the 2 degree ommatidium kens under corresponding dark adatpation.The imaging controlling mechanism of this Compound Eye of Insects can regulate the scope of the ken according to the change of ambient lighting intensity, if this bionics principle is applied in image sampling process, will greatly improve the imaging effect of sampled images.
Utility model content
Technical problem to be solved in the utility model is to provide a kind ofly can carry out the adapting to image information collecting device that self-adaptation regulates the simulation compound eye of image sampling FOV (Field of View) according to ambient lighting intensity.
In order to address the above problem, the utility model provides a kind of adapting to image information collecting device of simulating compound eye, comprise: the fly eye lens array that gathers target scene information for compound eye, this fly eye lens array comprises four ommatidium image acquisition units, the guide assembly being spliced by X-shaped symmetric mode by four guide rails, described four ommatidium image acquisition units lay respectively on four guide rails, and distribute by the Central Symmetry of this guide assembly, wherein, described ommatidium image acquisition units comprises lens, is positioned at the image device of this lens rear end; On each guide rail, be respectively equipped with for drive ommatidium image acquisition units along respective track locking phase to or the gear train of opposing constant speed movement; Be located at the light sensor of described guide assembly central point, with the processor module that this light sensor is connected, this one-chip computer module is connected with each motor drive module in gear train.
The utility model has positive effect with respect to prior art: (1) the utility model moves to regulate size of field of view by four ommatidium image acquisition units in fly eye lens array, realized when ambient lighting strength-enhanced, described processor module is controlled each ommatidium image acquisition units respectively along guide rail opposing mobile respective distance laterally, to expand FOV (Field of View); When ambient lighting remitted its fury, described processor module is controlled each ommatidium image acquisition units respectively along guide rail mobile in opposite directions respective distance to the inside, to shrink FOV (Field of View); After FOV (Field of View) is dwindled, the single ken of each ommatidium image acquisition units is when gathering target scene, must have ken lap, utilize the sharpness of ken lap raising image, the technological deficiency of bringing that the utility model has avoided pure software algorithm to promote clearness by the improvement design of hardware.(2) the ommatidium image acquisition units that the utility model utilization is moved realizes the compound eye function of similar squill, realizes compound eye functional cost lower than many ommatidium image acquisition units of traditional N.
Accompanying drawing explanation
In order to clearly demonstrate innovative principle of the present utility model and than the technical advantage of existing product, below by means of accompanying drawing by a possible embodiment of limiting examples explanation of the described principle of application.In the drawings:
Fig. 1 is the schematic diagram of adapting to image information collecting device of the present utility model when ambient lighting remitted its fury;
Fig. 2 is the schematic diagram of adapting to image information collecting device of the present utility model when ambient lighting strength-enhanced;
Fig. 3 is the structural representation of two guide rail body of fly eye lens array of the present utility model;
Fig. 4 is a kind of gear train schematic diagram of two guide rail body of fly eye lens array of the present utility model;
Fig. 5 is the another kind of gear train schematic diagram of two guide rail body of fly eye lens array of the present utility model;
Fig. 6 is the structural representation of the single guide rail body of fly eye lens array of the present utility model
Fig. 7 is single guide rail body of the present utility model, slide block and ommatidium image acquisition units structural representation;
Fig. 8 is the control circuit structural representation of fly eye lens array of the present utility model.
Wherein, 1 ommatidium image acquisition units, 1-1 ommatidium outer cover body, 2 lens, 3 image devices, 4 guide rails, 4-1 power wheel, 4-2 driving-belt, 4-3 guide rail body, the single guide rail body of 4-4,5 target scenes, 6 central points, 7 ken laps, 8 slide blocks, 8-1 roller, 8-2 micro-driving motor, 8-3 slide block shell, 8-4 blend stop.
Embodiment
See Fig. 1-5, Fig. 6 and Fig. 8, a kind of adapting to image information collecting device of simulating compound eye, comprise: the fly eye lens array that gathers target scene information for compound eye, this fly eye lens array comprises four ommatidium image acquisition units 1, the guide assembly being spliced by X-shaped symmetric mode by four guide rails 4, described four ommatidium image acquisition units 1 lay respectively on four guide rails 4, and the central point 6 by this guide assembly is symmetrical, wherein, described ommatidium image acquisition units 1 comprises lens 2, is positioned at the image device 3 of these lens 2 rear ends;
On each guide rail, be respectively equipped with for drive ommatidium image acquisition units along respective track locking phase to or the gear train of opposing constant speed movement (see Fig. 3 and Fig. 6, the direction of arrow that A represents, to regulate the FOV (Field of View) of fly eye lens array);
Be located at the light sensor of described guide assembly central point 6, with the processor module that this light sensor is connected, this one-chip computer module is connected with each motor drive module in gear train.
Wherein, when ambient lighting remitted its fury, described processor module is controlled gear train and is driven each ommatidium image acquisition units 1 respectively along guide rail 4 mobile in opposite directions respective distance to the inside, to shrink FOV (Field of View) (see Fig. 3 or Fig. 6, each ommatidium image acquisition units 1 moves to corresponding dashed rectangle direction respectively);
When ambient lighting strength-enhanced, described processor module is controlled ommatidium image acquisition units 1 respectively along guide rail 4 opposing mobile respective distance laterally, to expand FOV (Field of View) (see Fig. 3 or Fig. 6, each ommatidium image acquisition units 1 moves to corresponding solid line boxes direction respectively).
Wherein, symmetrical by the central point of this guide assembly 6, be exactly according to four guide rails 4 specifically, so that central point 6 is symmetrical, launch, the angle between each guide rail 4 equates to be 90 degree.It is square structure that lens 2 adopt in the present embodiment, also can adopt rectangle or circular structure.Described light sensor adopts photoresistance to realize, and can be arranged on the position of described central point 6.
Described guide rail 4 embodiments one, see Fig. 1, Fig. 2, Fig. 3 and Fig. 6, described guide rail 4 is that the line slideway consisting of two guide rail body 4-3 is spliced, in this line slideway with gear train, see Fig. 4, gear train embodiment one, the ommatidium outer cover body 1-1 of described ommatidium image acquisition units 1 adopts square column structure, the both sides of this ommatidium outer cover body 1-1 are respectively equipped with the groove coordinating with described guide rail body 4-3, in described guide rail body 4-3, be provided with gear train, this gear train comprises several power wheels 4-1, described each power wheel 4-1 controls respectively rotation by some micro-driving motor 8-2 respectively, in described groove, be provided with the flank of tooth, described power wheel 4-1 is the gear being suitable for described flank engagement, that is, described processor module is controlled each micro-driving motor 8-2 by motor drive module and is synchronously rotated, thus control each ommatidium image acquisition units 1 respectively along described line slideway locking phase to or opposing constant speed movement.
See Fig. 3, gear train embodiment two on described guide rail 4 embodiment one bases, gear train can adopt power wheel 4-1 and driving-belt 4-2 to coordinate, two ends in described line slideway are respectively equipped with power wheel 4-1, article two, each power wheel 4-1 in guide rail body 4-3 drives corresponding driving-belt 4-2 synchrodrive, according to being provided with the flank of tooth in groove described in described guide rail 4 embodiments one, the surface of described driving-belt 4-2 is provided with the flank of tooth with groove flank engagement; That is, described processor module is controlled each micro-driving motor by motor drive module and is synchronously rotated, thus control each ommatidium image acquisition units 1 respectively along described line slideway locking phase to or opposing constant speed movement; Gear train also can adopt synchronous band chain transmission in addition.
See Fig. 5, on the basis being spliced for the line slideway being formed by two guide rail body 4-3 at described guide rail 4, gear train embodiment three, ommatidium outer cover body 1-1 adopts square column structure, the both sides of this ommatidium outer cover body 1-1 are respectively equipped with chamber, in described chamber, be provided with gear train, this gear train comprises power wheel 4-1, drives the micro-driving motor 8-2 of power wheel 4-1, described guide rail body 4-3 mono-side is provided with the groove coordinating with power wheel 4-1, and in this groove, be provided with the flank of tooth, described power wheel 4-1 is the gear with described flank engagement; That is, described processor module is controlled micro-driving motor 8-2 by motor drive module and is synchronously rotated, thus control each ommatidium image acquisition units 1 respectively along described line slideway locking phase to or opposing constant speed movement.
Described guide rail 4 embodiments two, see Fig. 6 and Fig. 7, described guide rail 4 also can adopt four single guide rail body 4-4 to realize, specifically, described four guide assemblies that single guide rail body 4-4 is spliced by X-shaped symmetric mode, on each single guide rail body 4-4, be respectively equipped with the slide block (totally 4 slide blocks) being slidably matched with this guide rail body, on the end face of each slide block, fix respectively each ommatidium image acquisition units 1, this slide block inside is provided with the roller 8-1 that rolls and coordinate with described single guide rail body 4-4, this roller 8-1 is controlled and is rotated by micro-driving motor 8-2, this micro-driving motor 8-2 is controlled by motor drive module by described processor module.For better realize each ommatidium image acquisition units 1 locking phase to or opposing constant speed movement, the end face of described single guide rail body 4-4 is the flank of tooth, described roller 8-1 is the gear being suitable for described flank engagement.The end face both sides of described single guide rail body 4-4 are provided with for the blend stop 8-4 spacing to described roller.
Wherein, by motor drive module, to control synchronous rotation of above-mentioned micro-driving motor be this area conventional techniques means to described processor module.
Described processor module can adopt single-chip microcomputer, and for example 51 series, can adopt DSP module, for example DSP2812 if process to combine with image.Described image device 3 can adopt CCD, cmos sensor or Digital Micromirror Device DMD.
The utility model passes through hardware modifications, i.e. the improvement of described fly eye lens array, and concrete is, along with the movement of each ommatidium image acquisition units 1, realized when ambient lighting strength-enhanced, expand FOV (Field of View), because when intensity of illumination is higher, image is clearly, therefore can improve FOV (Field of View); Otherwise, when when ambient lighting remitted its fury, shrink FOV (Field of View), it is overlapping that the target scene 5 that while operating like this, each ommatidium image acquisition units 1 obtains has the ken, although sacrificed the ken, according to ken lap, 7(refers to Fig. 1 and Fig. 3, the public part of the target scene 5 that each lens photographs), effectively raise image definition, overcome the defect that the software of background technology introduction promotes clearness and brings.
Obviously, above-described embodiment is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation that spirit of the present utility model extended out or change still among protection domain of the present utility model.
Claims (1)
1. an adapting to image information collecting device of simulating compound eye, is characterized in that comprising:
For compound eye, gather the fly eye lens array of target scene information, this fly eye lens array comprises four ommatidium image acquisition units, the guide assembly being spliced by X-shaped symmetric mode by four guide rails, described four ommatidium image acquisition units lay respectively on four guide rails, and distribute by the Central Symmetry of this guide assembly, wherein, described ommatidium image acquisition units comprises lens, is positioned at the image device of this lens rear end;
On each guide rail, be respectively equipped with for drive ommatidium image acquisition units along respective track locking phase to or the gear train of opposing constant speed movement;
Be located at the light sensor of described guide assembly central point, with the processor module that this light sensor is connected, this one-chip computer module is connected with each motor drive module in gear train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320558476.8U CN203444338U (en) | 2013-09-10 | 2013-09-10 | Self-adaptive image information acquisition device simulating compound eye |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320558476.8U CN203444338U (en) | 2013-09-10 | 2013-09-10 | Self-adaptive image information acquisition device simulating compound eye |
Related Child Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320848223.4U Division CN203950204U (en) | 2013-09-10 | 2013-09-10 | A kind of adapting to image information collecting device of simulating compound eye |
| CN201320851912.0U Division CN204086991U (en) | 2013-09-10 | 2013-09-10 | A kind of adapting to image information collecting device of simulating compound eye |
| CN201320851911.6U Division CN203930509U (en) | 2013-09-10 | 2013-09-10 | The adapting to image information collecting device of simulation compound eye |
| CN201320850488.8U Division CN204044625U (en) | 2013-09-10 | 2013-09-10 | The adapting to image information collecting device of simulation compound eye |
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| CN203444338U true CN203444338U (en) | 2014-02-19 |
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| CN201320558476.8U Expired - Fee Related CN203444338U (en) | 2013-09-10 | 2013-09-10 | Self-adaptive image information acquisition device simulating compound eye |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20140910 |
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| EXPY | Termination of patent right or utility model |