CN103455042B - A kind of photosensitive ommateum image information collection system and method for work - Google Patents
A kind of photosensitive ommateum image information collection system and method for work Download PDFInfo
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- CN103455042B CN103455042B CN201310411039.8A CN201310411039A CN103455042B CN 103455042 B CN103455042 B CN 103455042B CN 201310411039 A CN201310411039 A CN 201310411039A CN 103455042 B CN103455042 B CN 103455042B
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Abstract
The present invention relates to a kind of compound eye image information acquisition system and method for work, comprise: the fly eye lens array gathering target scene information for compound eye, this fly eye lens array comprises several ommatidium images collecting units, the guide assembly be spliced by Central Symmetry mode by some guide rails, each ommatidium images collecting unit lays respectively on corresponding bar guide rail, and distribute by the Central Symmetry of this guide assembly, wherein, described ommatidium images collecting unit comprises lens, is positioned at the image device of this lens rear; For the photoresistance of the intensity of illumination of measurement target scene, this photoresistance is connected with MCU module by an A/D module, this MCU module according to the intensity of illumination of target scene control each ommatidium images collecting unit respectively along described guide rail locking phase to or opposing constant speed movement, to regulate the FOV (Field of View) of fly eye lens array.
Description
Technical field
The present invention relates to a kind of photosensitive ommateum image information collection system and method for work.
Background technology
In the prior art, by Digital Micromirror Device, scene image is sampled, due to light intensity change directly affect image quality, so there will be light strong time, sharpness is high, when light is weak, sharpness reduce, noise increase; Although the sharpness under having a lot of software processing method to improve decreased light, treatment effect is not good, such as, and nearest-neighbor interpolation method, bilinear interpolation method, bi-cubic interpolation method etc.Bilinear interpolation method has higher reconstruct accuracy than nearest-neighbor interpolation method, and Postprocessing technique effect is better, but image there will be sawtooth and blooming.Although the quality reconstruction of bi-cubic interpolation method is better than the above two, but to sacrifice efficiency for cost, its spent time is several times even tens times of other method.These algorithms only consider local pixel and the correlativity of the overall situation simultaneously, raising Postprocessing technique effect has certain effect, but but destroys the high frequency detail of original image.
Now studies have found that, insect has comparatively broad living environment, such as, the waters that squill lives under water 50 meters extend to 100 meters under water.In this context, due to the acting in conjunction of solar irradiation and aqueous medium, its illumination condition produces violent change, 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 adjustment light acceptance angle, in the ken of whole compound eye, form overlap in various degree, finally receive the optical information of different qualities according to different light environments.Under bright and dark two kinds of illumination conditions, squill is by the lax of myofilament and tighten the length regulating crystalline lens and rhabdom, thus realize the effect that the ommatidium ken reduces or expand, obtain metastable photon numbers or spatial resolution preferably, make the two reach balance.According to acquired results in laboratory conditions, squill is under different illumination intensity environment, and the imaging of its compound eye goes extensive angle and the ken respective change can occur, and as under light adaptation, its ommatidium ken is 5 degree, is 2.5 times of 2 degree of 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 the intensity of illumination of target scene, if be applied in image sampling process by this bionics principle, will greatly improve the imaging effect of sampled images.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of compound eye image information acquisition system and the method for work that can carry out Automatic adjusument image sampling FOV (Field of View) according to the intensity of illumination of target scene.
In order to solve the problem, the invention provides a kind of compound eye image information acquisition system, comprise: the fly eye lens array gathering target scene information for compound eye, this fly eye lens array comprises several ommatidium images collecting units, the guide assembly be spliced by Central Symmetry mode by some guide rails, each ommatidium images collecting unit lays respectively on corresponding guide rail, and distribute by the Central Symmetry of this guide assembly, wherein, described ommatidium images collecting unit comprises lens, is positioned at the image device of this lens rear; For the photoresistance of the intensity of illumination of measurement target scene, this photoresistance is connected with MCU module by an A/D module, this MCU module according to the intensity of illumination of target scene control each ommatidium images collecting unit respectively along described guide rail locking phase to or opposing constant speed movement, to regulate the FOV (Field of View) of fly eye lens array; Wherein, when the intensity of illumination of target scene weakens, described MCU module controls each ommatidium images collecting unit and moves respective distance in opposite directions to the inside along guide rail respectively, to shrink FOV (Field of View); When the intensity of illumination of target scene strengthens, described MCU module controls ommatidium images collecting unit respectively along guide rail opposing mobile respective distance laterally, to expand FOV (Field of View).
Further, in order to obtain the larger ken, described guide rail is arc-shaped guide rail.
In order to solve the problems of the technologies described above, present invention also offers a kind of method of work of compound eye image information acquisition system,
Described compound eye image information acquisition system comprises:
The fly eye lens array of target scene information is gathered for compound eye, this fly eye lens array comprises several ommatidium images collecting units, the guide assembly be spliced by Central Symmetry mode by some guide rails, each ommatidium images collecting unit lays respectively on corresponding guide rail, and distribute by the Central Symmetry of this guide assembly, wherein, described ommatidium images collecting unit comprises lens, is positioned at the image device of this lens rear;
For the photoresistance of the intensity of illumination of measurement target scene, this photoresistance is connected with MCU module by an A/D module, this MCU module according to the intensity of illumination of target scene control each ommatidium images collecting unit respectively along described guide rail locking phase to or opposing constant speed movement, to regulate the FOV (Field of View) of fly eye lens array;
The method of work of described compound eye image information acquisition system comprises:
When the intensity of illumination of target scene weakens, described MCU module controls each ommatidium images collecting unit and moves respective distance in opposite directions to the inside along guide rail respectively, to shrink FOV (Field of View);
When the intensity of illumination of target scene strengthens, described MCU module controls ommatidium images collecting unit respectively along guide rail opposing mobile respective distance laterally, to expand FOV (Field of View).
Further, in order to obtain the larger ken, described guide rail is arc-shaped guide rail.
The present invention has positive effect relative to prior art: (1) the present invention is moved by several ommatidium images collecting units in fly eye lens array and regulates size of field of view, achieve when the intensity of illumination of target scene strengthens, described MCU module controls each ommatidium images collecting unit respectively along guide rail opposing mobile respective distance laterally, to expand FOV (Field of View); When the intensity of illumination of target scene weakens, described MCU module controls each ommatidium images collecting unit and moves respective distance in opposite directions to the inside along guide rail respectively, to shrink FOV (Field of View); After FOV (Field of View) reduces, the single ken of each ommatidium images collecting unit is when gathering target scene, ken lap must be had, utilize ken lap to improve the sharpness of image, avoid the technological deficiency brought that pure software algorithm promotes clearness.(2) the present invention utilizes the ommatidium images collecting unit of movement to realize the compound eye function of similar squill, realizes compound eye functional cost lower than traditional N many ommatidium images collecting units.
Accompanying drawing explanation
In order to clearly demonstrate innovative principle of the present invention and the technical advantage compared to existing product thereof, by applying the limiting examples of described principle, a possible embodiment is described by means of accompanying drawing below.In the drawings:
Fig. 1 is the schematic diagram of the first embodiment when the intensity of illumination of target scene weakens of compound eye image information acquisition system of the present invention;
Fig. 2 is the schematic diagram of the first embodiment when the intensity of illumination of target scene strengthens of compound eye image information acquisition system of the present invention;
Fig. 3 is the schematic diagram of the second embodiment when the intensity of illumination of target scene weakens of compound eye image information acquisition system of the present invention;
Fig. 4 is the schematic diagram of the second embodiment when the intensity of illumination of target scene weakens of compound eye image information acquisition system of the present invention;
Fig. 5 is the structural representation of two guide rail body of fly eye lens array of the present invention;
Fig. 6 is a kind of gear train schematic diagram of two guide rail body of fly eye lens array of the present invention;
Fig. 7 is the another kind of gear train schematic diagram of two guide rail body of fly eye lens array of the present invention;
Fig. 8 is the structural representation of the single guide rail body of fly eye lens array of the present invention
Fig. 9 is single guide rail body of the present invention, slide block and ommatidium images collecting unit structural representation;
Figure 10 is the control circuit structural representation of fly eye lens array of the present invention.
Wherein, 1 ommatidium images collecting unit, 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, 4-4 single guide rail body, 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
Embodiment 1
See Fig. 1-5, Fig. 8 and Figure 10, a kind of compound eye image information acquisition system, comprise: the fly eye lens array gathering target scene information for compound eye, this fly eye lens array comprises several ommatidium images collecting units 1, the guide assembly be spliced by Central Symmetry mode by some guide rails 4, each ommatidium images collecting unit 1 lays respectively on corresponding guide rail 4, and it is symmetrical by the central point 6 of this guide assembly, wherein, described ommatidium images collecting unit 1 comprises lens 2, is positioned at the image device 3 of this lens 2 rear end;
For the photoresistance of the intensity of illumination of measurement target scene, this photoresistance is connected with MCU module by an A/D module, this MCU module according to the intensity of illumination of target scene control each ommatidium images collecting unit 1 respectively along described guide rail 4 locking phase to or opposing constant speed movement (see Fig. 5 and Fig. 8, the direction of arrow that A represents), to regulate the FOV (Field of View) of fly eye lens array;
Wherein, when the intensity of illumination of target scene weakens, described MCU module controls each ommatidium images collecting unit 1 and moves respective distance in opposite directions to the inside along guide rail 4 respectively, to shrink FOV (Field of View) (see Fig. 5 or Fig. 8, each ommatidium images collecting unit 1 moves respectively to corresponding dashed rectangle direction);
When the intensity of illumination of target scene strengthens, described MCU module controls ommatidium images collecting unit 1 respectively along guide rail 4 opposing mobile respective distance laterally, to expand FOV (Field of View) (see Fig. 5 or Fig. 8, each ommatidium images collecting unit 1 moves respectively to corresponding solid line boxes direction).
Wherein Fig. 1-5 adopts four ommatidium images collecting units and four guide rails to carry out actualizing technology scheme, will be described technical scheme in detail in example 2.
Embodiment 2
On embodiment 1 basis, in order to explanation technical scheme clearly, in following embodiment, fly eye lens array comprises four ommatidium images collecting units, the technical scheme that guide assembly is spliced by X-shaped symmetric mode by four guide rails.
Namely Fig. 1-5, Fig. 8 and Figure 10 is seen, a kind of compound eye image information acquisition system, comprise: the fly eye lens array gathering target scene information for compound eye, this fly eye lens array comprises four ommatidium images collecting units 1, the guide assembly be spliced by X-shaped symmetric mode by four guide rails 4, described four ommatidium images collecting units 1 lay respectively on four guide rails 4, and it is symmetrical by the central point 6 of this guide assembly, wherein, described ommatidium images collecting unit 1 comprises lens 2, is positioned at the image device 3 of this lens 2 rear end;
For the photoresistance of the intensity of illumination of measurement target scene, this photoresistance is connected with MCU module by an A/D module, this MCU module according to the intensity of illumination of target scene control each ommatidium images collecting unit 1 respectively along described guide rail 4 locking phase to or opposing constant speed movement (see Fig. 5 and Fig. 8, the direction of arrow that A represents), to regulate the FOV (Field of View) of fly eye lens array;
Wherein, when the intensity of illumination of target scene weakens, described MCU module controls each ommatidium images collecting unit 1 and moves respective distance in opposite directions to the inside along guide rail 4 respectively, to shrink FOV (Field of View) (see Fig. 5 or Fig. 8, each ommatidium images collecting unit 1 moves respectively to corresponding dashed rectangle direction);
When the intensity of illumination of target scene strengthens, described MCU module controls ommatidium images collecting unit 1 respectively along guide rail 4 opposing mobile respective distance laterally, to expand FOV (Field of View) (see Fig. 5 or Fig. 8, each ommatidium images collecting unit 1 moves respectively to corresponding solid line boxes direction).
Wherein, symmetrical by the central point 6 of this guide assembly, be exactly according to four guide rails 4 specifically, launch with central point 6 symmetry, the angle namely between each guide rail 4 is equal is 90 degree.It is square structure that lens 2 adopt in the present embodiment, also can adopt the structure of rectangle or circle.Described photoresistance, can be arranged on the position of described central point 6.
Described guide rail 4 embodiment one, see Fig. 1, Fig. 2, Fig. 5 and Fig. 8, described guide rail 4 is that the line slideway be made up of two guide rail body 4-3 is spliced, with gear train in this line slideway, see Fig. 6, gear train embodiment one, the ommatidium outer cover body 1-1 of described ommatidium images collecting unit 1 adopts square column structure, the both sides of this ommatidium outer cover body 1-1 are respectively equipped with the groove coordinated with described guide rail body 4-3, gear train is provided with in described guide rail body 4-3, this gear train comprises several power wheels 4-1, described each power wheel 4-1 is controlled to rotate by some micro-driving motor 8-2 respectively respectively, the flank of tooth is provided with in described groove, described power wheel 4-1 is suitable for the gear with described flank engagement, that is, described MCU module controls each micro-driving motor 8-2 synchronous axial system by motor drive module, thus control each ommatidium images collecting unit 1 respectively along described line slideway locking phase to or opposing constant speed movement.
See Fig. 5, gear train embodiment two on described guide rail 4 embodiment one basis, 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, be provided with the flank of tooth according in groove described in described guide rail 4 embodiment one, the surface of described driving-belt 4-2 is provided with the flank of tooth with groove flank engagement; That is, described MCU module controls each micro-driving motor synchronous axial system by motor drive module, thus control each ommatidium images collecting unit 1 respectively along described line slideway locking phase to or opposing constant speed movement; Gear train also can adopt Timing Belt Chain conveyer in addition.
See Fig. 7, be on the basis that is spliced of the line slideway be made up of 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, gear train is provided with in described chamber, 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 side is provided with the groove coordinated with power wheel 4-1, and being provided with the flank of tooth in this groove, described power wheel 4-1 is the gear with described flank engagement; That is, described MCU module controls micro-driving motor 8-2 synchronous axial system by motor drive module, thus control each ommatidium images collecting unit 1 respectively along described line slideway locking phase to or opposing constant speed movement.
Described guide rail 4 embodiment two, see Fig. 8 and Fig. 9, described guide rail 4 also can adopt four single guide rail body 4-4 to realize, specifically, the guide assembly that described four single guide rail body 4-4 are spliced by X-shaped symmetric mode, each single guide rail body 4-4 is respectively equipped with the slide block (totally 4 slide blocks) be slidably matched with this guide rail body, the end face of each slide block is fixed respectively each ommatidium images collecting unit 1, this slide block inside is provided with the roller 8-1 coordinated that to roll with described single guide rail body 4-4, this roller 8-1 is controlled to rotate by micro-driving motor 8-2, this micro-driving motor 8-2 is controlled by motor drive module by described MCU module.In order to better realize each ommatidium images collecting unit 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, and described roller 8-1 is suitable for the gear with 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.
Described guide rail 4 embodiment three, see Fig. 3 and Fig. 4, in order to obtain the larger ken, be arc-shaped guide rail at described guide rail 4, from front, the structure of arc-shaped guide rail is similar to line slideway (Fig. 5 or Fig. 8), be spliced by the guide rail body 4-3 with certain radian, guide rail embodiment one or two, two guide rail body or single guide rail body can be adopted, and the scheme of corresponding gear train realizes, FOV (Field of View) can be expanded greatly by arc-shaped guide rail.
Wherein, described MCU module controls above-mentioned micro-driving motor synchronous axial system by motor drive module is this area conventional techniques means.
Described MCU module can adopt single-chip microcomputer, such as 51 series, such as, if combine and can adopt DSP module with image procossing, DSP2812.Described image device 3 can adopt CCD, cmos sensor or Digital Micromirror Device DMD, and A/D module can adopt AD9850 or PCF8591.
The present invention passes through hardware modifications, the i.e. improvement of described fly eye lens array, particularly, along with the movement of each ommatidium images collecting unit 1, achieve when the intensity of illumination of target scene strengthens, expand FOV (Field of View), because when intensity of illumination is higher, image is clearly, therefore can improve FOV (Field of View); Otherwise, when weakening when the intensity of illumination of target scene, shrink FOV (Field of View), the target scene 5 that during such operation, each ommatidium images collecting unit 1 obtains has ken overlap, although the ken of sacrificing, refer to Fig. 1 and Fig. 3 according to ken lap 7(, the public part of the target scene 5 that each lens photograph), effectively raise image definition, overcome being promoted clearness the defect brought by software of background technology introduction.
Embodiment 3
On the basis of enforcement 1 and 2, two ommatidium images collecting units and two guide rails also can be adopted to realize, guide rail is yi word pattern distribution.
Apparent, three ommatidium images collecting units and three guide rails also can be adopted to realize, i.e. Central Symmetry distribution mode, every bar guide rail is 120 degree of angles.
Equally, six ommatidium images collecting units and six guide rails can be adopted to realize, i.e. Central Symmetry distribution mode, every bar guide rail is 60 degree of angles.
Obviously, according to technical scheme provided by the invention, discovery clearly, the guide rail quantity of ommatidium images collecting unit and correspondence is more, then compound eye image information acquisition better effects if of the present invention, when the intensity of illumination of target scene is more weak, more clearly can gather image information.
Because each technical scheme in this embodiment 3 all can be obtained by Fig. 1-5 deformation, so be clearly for a person skilled in the art.
Embodiment 4
The method of work of the compound eye image information acquisition system on embodiment 1 basis;
See Fig. 1-5, Fig. 8 and Figure 10, described compound eye image information acquisition system comprises: the fly eye lens array gathering target scene information for compound eye, this fly eye lens array comprises several ommatidium images collecting units 1, the guide assembly be spliced by X-shaped symmetric mode by some guide rails 4, each ommatidium images collecting unit 1 lays respectively on corresponding guide rail 4, and it is symmetrical by the central point 6 of this guide assembly, wherein, described ommatidium images collecting unit 1 comprises lens 2, is positioned at the image device 3 of this lens 2 rear end; For the photoresistance of the intensity of illumination of measurement target scene, this photoresistance is connected with MCU module by an A/D module, this MCU module according to the intensity of illumination of target scene control each ommatidium images collecting unit 1 respectively along described guide rail 4 locking phase to or opposing constant speed movement (see Fig. 5 and Fig. 8, the direction of arrow that A represents), to regulate the FOV (Field of View) of fly eye lens array;
The method of work of described compound eye image information acquisition system comprises:
When the intensity of illumination of target scene weakens, described MCU module controls each ommatidium images collecting unit 1 and moves respective distance in opposite directions to the inside along guide rail 4 respectively, to shrink FOV (Field of View) (see Fig. 5 or Fig. 8, each ommatidium images collecting unit 1 moves respectively to corresponding dashed rectangle direction);
When the intensity of illumination of target scene strengthens, described MCU module controls ommatidium images collecting unit 1 respectively along guide rail 4 opposing mobile respective distance laterally, to expand FOV (Field of View) (see Fig. 5 or Fig. 8, each ommatidium images collecting unit 1 moves respectively to corresponding solid line boxes direction).
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.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 the need to also giving all embodiments.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.
Claims (4)
1. a compound eye image information acquisition system, is characterized in that comprising:
The fly eye lens array of target scene information is gathered for compound eye, this fly eye lens array comprises several ommatidium images collecting units, the guide assembly be spliced by Central Symmetry mode by some guide rails, each ommatidium images collecting unit lays respectively on corresponding guide rail, and distribute by the Central Symmetry of this guide assembly, wherein, described ommatidium images collecting unit comprises lens, is positioned at the image device of this lens rear;
For the photoresistance of the intensity of illumination of measurement target scene, this photoresistance is connected with MCU module by an A/D module, this MCU module according to the intensity of illumination of target scene control each ommatidium images collecting unit respectively along described guide rail locking phase to or opposing constant speed movement, to regulate the FOV (Field of View) of fly eye lens array;
Wherein, when the intensity of illumination of target scene weakens, described MCU module controls each ommatidium images collecting unit and moves respective distance in opposite directions to the inside along guide rail respectively, to shrink FOV (Field of View), forms ken lap;
When the intensity of illumination of target scene strengthens, described MCU module controls ommatidium images collecting unit respectively along guide rail opposing mobile respective distance laterally, to expand FOV (Field of View).
2. compound eye image information acquisition system according to claim 1, is characterized in that, described guide rail is arc-shaped guide rail.
3. a method of work for compound eye image information acquisition system, is characterized in that,
Described compound eye image information acquisition system comprises:
The fly eye lens array of target scene information is gathered for compound eye, this fly eye lens array comprises several ommatidium images collecting units, the guide assembly be spliced by Central Symmetry mode by some guide rails, each ommatidium images collecting unit lays respectively on corresponding guide rail, and distribute by the Central Symmetry of this guide assembly, wherein, described ommatidium images collecting unit comprises lens, is positioned at the image device of this lens rear;
For the photoresistance of the intensity of illumination of measurement target scene, this photoresistance is connected with MCU module by an A/D module, this MCU module according to the intensity of illumination of target scene control each ommatidium images collecting unit respectively along described guide rail locking phase to or opposing constant speed movement, to regulate the FOV (Field of View) of fly eye lens array;
The method of work of described compound eye image information acquisition system comprises:
When the intensity of illumination of target scene weakens, described MCU module controls each ommatidium images collecting unit and moves respective distance in opposite directions to the inside along guide rail respectively, to shrink FOV (Field of View), forms ken lap;
When the intensity of illumination of target scene strengthens, described MCU module controls ommatidium images collecting unit respectively along guide rail opposing mobile respective distance laterally, to expand FOV (Field of View).
4. the method for work of compound eye image information acquisition system according to claim 3, is characterized in that, described guide rail is arc-shaped guide rail.
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