CN104036256A - Eyeball image collection device - Google Patents
Eyeball image collection device Download PDFInfo
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- CN104036256A CN104036256A CN201410290343.6A CN201410290343A CN104036256A CN 104036256 A CN104036256 A CN 104036256A CN 201410290343 A CN201410290343 A CN 201410290343A CN 104036256 A CN104036256 A CN 104036256A
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- camera
- light source
- core board
- source module
- eyeball image
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Abstract
The invention provides an eyeball image collection device. The eyeball image collection device comprises three portions of a camera module, a multifunctional light source module and a core board, wherein the multifunctional light source module is welded on one face of the core board through a welding plate, the camera module is fixed on the other face of the core board through a contact pin, infrared rays sent by an infrared light source in the multifunctional light source module are directly shot on an eye of a diagnosed patient, and are projected to an infrared camera through a half transparent and half reflecting lens after reflected by an eyeball, the infrared camera collects images of a motion trail of the human eye, and then sends collected data to the core board, and the core board performs further processing on the eyeball image data. The eyeball image collection device is small in size, low in weight, small in thickness and compact in structure, not only is modularized so as to have good portability, but also can automatically focus, accurately focus, rapidly focus when used to perform close-range shooting, guarantees quality of image collection, and obtains good effects in actual use.
Description
Technical field
The present invention relates to a kind of image acquisition device, relate in particular to a kind of eyeball image acquisition device, be mainly used in the image acquisition device of the dizzy information of measurement of near distance eyeball.
Background technology
Eyeball is a kind of meticulous human organ, and its rotation amplitude is so obvious not as hand motion, and the iris color difference of different ethnic groups is also larger, and these factors have all directly increased the difficulty of obtaining clear iris image.Therefore adopt common image acquisition device to be difficult to the iris image data that obtains high-quality, can be used for analyzing and processing.
At present, for the device multioperation complexity of iris image collection, bulky, cost is higher.CN203038298U discloses " a kind of iris image acquiring device ", and this device is made up of image-forming module, lighting module, three-dimensional motion platform, control module, optical table, fixed bar, jaw holder.The process of carrying out iris image collection is roughly as described below: gathered person is placed in eyes on jaw holder; Be fixed on the image-forming module on three-dimensional motion platform according to the position adjustment of eyes, make eyes be full of image middle; Finally carry out the collection of iris image data, and send the data that collect to computing machine and be for further processing.This iris image acquisition device major defect has: 1, the position of human eye is controlled by gathered person's subjectivity.In gatherer process, if the quality that can have a strong impact on iris image collection occurs to be offset in the position of eyes.2, complicated operation, the best relative position of adjusting image-forming module and eyes will spend the regular hour.3, between each device arrange not compact, integrated level is lower, bulky, cost is higher.These shortcomings have some limitations the device of existing iris image collection in application.
Summary of the invention
The object of the invention is for problems of the prior art, a kind of compact conformation be provided, can be automatically when shooting at close range, accurately, the eyeball image acquisition device of rapid focus.
Eyeball image acquisition device of the present invention, comprises core board and is arranged on multi-functional light source module and three parts of camera module of core board two sides; Wherein:
Described multi-functional light source module comprises multi-functional light source module group substrates, be embedded in the half-reflecting half mirror in the circular hole of multi-functional light source module group substrates middle part, be fixed on infrared light supply, resistance and pad on multi-functional light source module group substrates, and infrared light supply, resistance are all connected with pad by wire; Pad, in playing the effect of physical mechanical connection, plays the effect of electrical connection on the other hand.For the negative effect that effectively prevents that impedance from bringing, infrared light is radiated on eyeball uniformly, the resistance of multi-functional light source module and infrared light supply are alternately evenly arranged in the periphery of half-reflecting half mirror.On multi-functional light source module group substrates, be also provided with flashlamp, while eyeball being carried out to image acquisition under the darker condition of light, flashlamp can play light filling effect.
Described camera module comprises camera module group substrates and is arranged on the camera on camera module group substrates, camera signals interface circuit and external interface circuit, the image data that camera gathers is connected with external interface circuit through the transmission pin of camera signals interface circuit; External interface circuit by being connected with the row's pin physical mechanical on core board when, plays again the effect of signal transmission.Described camera is arranged on a side of corresponding half-reflecting half mirror, and with the center of half-reflecting half mirror on same axis.For the ease of fast, accurately focusing, ensured the quality of image collection, the distance between camera and anti-semi-permeable mirror is within 5 mm, the distance between infrared light supply and camera is 6 mm.Utilizing camera interface circuit has been reserved interface that can the power supply of compatible different model camera AFC part, and specifically reference selects the databook of camera to determine whether welding magnetic bead.
On core board, be provided with the circular hole corresponding with half-reflecting half mirror, so that camera gathers the image information of eyeball.Side at the corresponding multi-functional light source module of core board is provided with pad, this pad and the corresponding connection of pad on multi-functional light source module; Side at the corresponding camera module of core board is provided with row's pin, and this row's pin is connected with the external interface socket communication of camera module.
On core board, be integrated with microprocessor MPU and basic input/output system BIOS, and microprocessor MPU communicates by I2C bus and basic input/output system BIOS, regulate multifunctional light source module by BIOS; Microprocessor MPU is integrated camera controller FIMC, controls camera module.The MPU of core board is by the I2C bus of a SCCB(reduction) camera register is set, for camera configures working environment.
The infrared ray that the infrared light supply of multi-functional light source module sends shines directly into by diagnosis person's eyes, project infrared pick-up head through eyeball reflection by half-reflecting half mirror, infrared pick-up head carries out image collection to human eye movement's track, and then image data is sent to core board, by core board, eyeball image data is done to further processing.
The present invention is relative, and prior art has the following advantages:
1, the present invention is integrally welded by pad by multi-functional light source module, core board, camera module, by half anti-lens being fixed in the middle of camera and multi-functional light source module, utilize the physical property of half-reflecting half mirror, prolongation iris virtual representation in half-reflecting half mirror arrives the distance of camera, to meet the requirement of camera focal length, realize that camera can automatically be focused in the time of shooting at close range, the accurate function of focusing, rapid focus, ensured the quality of image collection;
2, little, lightweight, the thin thickness of volume of the present invention, compact conformation, has not only realized the modularization of harvester, and makes it have good portability.
Brief description of the drawings
Fig. 1 is the structural representation of eyeball image acquisition device of the present invention.
Fig. 2 is the structural drawing of the multi-functional light source module of the present invention.
Fig. 3 is the structural drawing of camera module.
Fig. 4 is core board A face schematic diagram.
Fig. 5 is core board B face schematic diagram.
Fig. 6 is driving functional flow diagram of the present invention.
Embodiment
Structure, principle of work below by specific embodiment to eyeball image acquisition device of the present invention are described further.
A kind of eyeball image acquisition device, comprises core board 1 and is arranged on multi-functional light source module 3 and 2 three parts of camera module (with reference to Fig. 1) of core board two sides, wherein:
Multi-functional light source module 3 comprises multi-functional light source module group substrates 3-4 and is arranged on the half-reflecting half mirror 3-1 on multi-functional light source module group substrates, infrared light supply 3-5, resistance 3-2, pad 3-3; Half-reflecting half mirror 3-1 is embedded in the circular hole of multi-functional light source module group substrates middle part, and infrared light supply 3-5, resistance 3-2 are alternately evenly arranged in the periphery of half-reflecting half mirror 3-1; Infrared light supply, resistance are all connected with pad 3-3 by wire; One jiao at substrate 3-4 is provided with flashlamp 3-6, provides light filling effect, to ensure to collect image data (with reference to Fig. 2) clearly in the time that light condition is not enough.
Camera module 2 comprises camera module group substrates 2-1 and is arranged on camera 2-2, camera signals interface circuit 2-4 and the external interface circuit 2-3 on camera module group substrates; The image data that camera gathers is connected with external interface circuit 2-3 through the transmission pin of camera signals interface circuit 2-4.Camera is arranged on a side of corresponding half-reflecting half mirror 3-1, and with half-reflecting half mirror 3-1 center on same axis (with reference to Fig. 3).In order to ensure the quality of image collection, the distance between infrared light supply 3-5 and camera 2-2 is 6 mm.
On core board 1, be provided with the circular hole 1-1 corresponding with half-reflecting half mirror 3-1.Side (B face) at the corresponding multi-functional light source module 3 of core board is provided with pad 1-2, this pad and the corresponding connection of pad 3-3 on multi-functional light source module, make core board and multi-functional light source module realize physical connection, realize again data transmission (with reference to Fig. 5); At side (A face) row of the being provided with pin 1-3 of the corresponding camera module 2 of core board, this row's pin is connected with the external interface circuit 2-3 communication of camera module, makes core board and camera module realize physical connection, realizes again data transmission (with reference to Fig. 4).
On core board, be integrated with microprocessor MPU and basic input/output system BIOS, and microprocessor MPU communicates by I2C bus and basic input/output system BIOS, regulate multi-functional light source module by BIOS.MPU is the core of whole core board, we adopt MPU integrated camera controller FIMC(Fully Interactive Mobile Camera), the data of camera collection must first be transferred to FIMC, after processing, consign to MPU through FIMC, and MPU is shown to data on display again.Program and the system self-triggered program of the most important basic input and output of the in store computing machine of BIOS, its major function is to provide the bottom, the most direct hardware setting and control for computing machine.Therefore, MPU communicates by I2C bus and BIOS on the one hand, regulates multi-functional light source module by BIOS, the collection of auxiliary camera image.On the other hand, the eyeball image collecting is first transferred to FIMC, FIMC is to after the further processing of image data for process, and then by the data transmission after conversion to the MPU on core board, carry out next step analyzing and processing through MPU again, to reach the object (see figure 6) of image collection, analysis, processing.Meanwhile, MPU arranges camera register by SCCB, and for camera configures working environment, reset camera module, makes camera carry out image collection.
Claims (6)
1. an eyeball image acquisition device, is characterized in that: comprise core board (1) and be arranged on multi-functional light source module (3) and the camera module (2) of core board two sides;
Described multi-functional light source module (3) comprises multi-functional light source module group substrates (3-4), be embedded in the half-reflecting half mirror (3-1) in the circular hole of multi-functional light source module group substrates middle part, be fixedly installed on infrared light supply (3-5), resistance (3-2) and pad (3-3) on multi-functional light source module group substrates, and infrared light supply, resistance are all connected with pad (3-3) by wire;
Described camera module (2) comprises camera module group substrates (2-1) and is arranged on the camera (2-2) on camera module group substrates, camera signals interface circuit (2-4) and external interface circuit (2-3); The image data that camera gathers is connected with external interface circuit (2-3) through camera signals interface circuit (2-4); Described camera (2-2) is arranged on a side of corresponding half-reflecting half mirror (3-1), and with the center of half-reflecting half mirror (3-1) on same axis;
On core board (1), be provided with the circular hole (1-1) corresponding with half-reflecting half mirror (3-1); Side at the corresponding multi-functional light source module of core board (3) is provided with pad (1-2), this pad and the corresponding connection of pad (3-3) on multi-functional light source module; Be provided with row's pin (1-3) in the side of the corresponding camera module of core board (2), this row's pin is connected with external interface circuit (2-3) communication of camera module;
On core board (1), be integrated with microprocessor MPU and basic input/output system BIOS, and microprocessor MPU communicates by I2C bus and basic input/output system BIOS, regulate multifunctional light source module by BIOS; Microprocessor MPU is integrated, and camera controller FIMC controls camera module.
2. eyeball image acquisition device as claimed in claim 1, is characterized in that: the resistance of described multifunctional light source module (3) and infrared light supply are alternately evenly arranged in the periphery of half-reflecting half mirror.
3. eyeball image acquisition device as claimed in claim 1, is characterized in that: on multifunctional light source module substrate (3-4), be also provided with flashlamp (3-6).
4. eyeball image acquisition device as claimed in claim 1, is characterized in that: the distance between described camera (2-2) and anti-semi-permeable mirror (3-1) is 5 mm.
5. eyeball image acquisition device as claimed in claim 1, is characterized in that: the distance between infrared light supply (3-5) and camera (2-2) is 6 mm.
6. eyeball image acquisition device as claimed in claim 1, is characterized in that: the microprocessor MPU of core board (1) arranges camera register by SCCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410290343.6A CN104036256B (en) | 2014-06-25 | 2014-06-25 | Eyeball image collection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410290343.6A CN104036256B (en) | 2014-06-25 | 2014-06-25 | Eyeball image collection device |
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| CN104036256A true CN104036256A (en) | 2014-09-10 |
| CN104036256B CN104036256B (en) | 2017-05-03 |
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| CN201410290343.6A Expired - Fee Related CN104036256B (en) | 2014-06-25 | 2014-06-25 | Eyeball image collection device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1241614A2 (en) * | 2001-03-15 | 2002-09-18 | Lg Electronics Inc. | Apparatus and method for adjusting focus position in iris recognition system |
| CN101601580A (en) * | 2009-07-20 | 2009-12-16 | 南京农业大学 | Portable cow carcass eye muscle section image acquisition device |
| CN103500012A (en) * | 2013-10-17 | 2014-01-08 | 中国科学技术大学 | Head mounted eye movement data obtaining device |
-
2014
- 2014-06-25 CN CN201410290343.6A patent/CN104036256B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1241614A2 (en) * | 2001-03-15 | 2002-09-18 | Lg Electronics Inc. | Apparatus and method for adjusting focus position in iris recognition system |
| CN101601580A (en) * | 2009-07-20 | 2009-12-16 | 南京农业大学 | Portable cow carcass eye muscle section image acquisition device |
| CN103500012A (en) * | 2013-10-17 | 2014-01-08 | 中国科学技术大学 | Head mounted eye movement data obtaining device |
Non-Patent Citations (1)
| Title |
|---|
| 张丽丽: "虹膜采集与识别装置的研究", 《中国优秀硕士学位论文 信息科技辑》 * |
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Inventor after: Qu Zhiyi Inventor after: Qu Yinhong Inventor after: Zhao Qinglin Inventor after: Huang Rui Inventor after: Han Huidie Inventor after: Qiu Jianpeng Inventor after: Liu Bing Inventor after: Wang Ximei Inventor before: Qu Zhiyi Inventor before: Zhao Qinglin Inventor before: Huang Rui Inventor before: Han Huidie Inventor before: Qiu Jianpeng Inventor before: Liu Bing Inventor before: Wang Ximei |
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Free format text: CORRECT: INVENTOR; FROM: QU ZHIYI ZHAO QINGLIN HUANG RUI HAN HUIYI QIU JIANPENG LIU BING WANG XIMEI TO: QU ZHIYI QU YINHONG ZHAO QINGLIN HUANG RUI HAN HUIYI QIU JIANPENG LIU BING WANG XIMEI |
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Granted publication date: 20170503 Termination date: 20180625 |