CN104036256B - Eyeball image collection device - Google Patents
Eyeball image collection device Download PDFInfo
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- CN104036256B CN104036256B CN201410290343.6A CN201410290343A CN104036256B CN 104036256 B CN104036256 B CN 104036256B CN 201410290343 A CN201410290343 A CN 201410290343A CN 104036256 B CN104036256 B CN 104036256B
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- light source
- camera
- 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, more particularly to a kind of eyeball image acquisition device, it is mainly used in low coverage
From the image acquisition device of test eyeball dizziness information.
Background technology
Eyeball is a kind of fine human organ, and its rotation amplitude is so obvious not as hand motion, the rainbow of different ethnic groups
Also than larger, these factors all directly increase the difficulty for obtaining clear iris image to film color distortion.Therefore using common
Image acquisition device is difficult to obtain high-quality, can be used for the iris image data of analyzing and processing.
The device multioperation for being presently used for iris image collection is complicated, bulky, relatively costly.CN203038298U
Disclose " a kind of iris image acquiring device ", the device by image-forming module, lighting module, three-dimensional movement platform, control module,
Optical table, fix bar, jaw support composition.The process of iris image collection is carried out approximately as described：Eyes are put by gathered person
On jaw support；The image-forming module being fixed on according to the position adjustment of eyes in three-dimensional movement platform so that eyes are full of image
Middle；Finally carry out iris image acquisitions, and send the data for collecting to computer being for further processing.Should
Iris image acquisition device major defect has：1st, subjective control of the position of human eye by gathered person.In gatherer process, if
The position of eyes shifts, and can have a strong impact on the quality of iris image collection.2nd, complex operation, adjustment image-forming module and eye
The optimal relative position of eyeball will take some time.3rd, not compact, integrated level is arranged between each device relatively low, bulky,
It is relatively costly.These shortcomings cause the device of existing iris image collection to have some limitations in application.
The content of the invention
The purpose of the present invention is for problems of the prior art, there is provided a kind of compact conformation, during shooting at close range
Can automatically, accurately, the eyeball image acquisition device of rapid focus.
The eyeball image acquisition device of the present invention, including core board and it is arranged on the multi-functional light source die of core board two sides
Group and three parts of camera module；Wherein：
The multi-functional light source module includes multi-functional light source module substrate, is embedded in multi-functional light source module substrate pars intermedia
Half-reflecting half mirror in circle of position hole, is fixed on infrared light supply in multi-functional light source module substrate, resistance and pad, and infrared light
Source, resistance are connected with pad by wire；On the other hand pad plays electricity while physical mechanical connection is played a part of
The effect of gas connection.For the negative effect for effectively preventing impedance from bringing so that infrared light is uniformly radiated on eyeball, many work(
The resistance of energy light source module replaces the periphery for being evenly arranged in half-reflecting half mirror with infrared light supply.In multi-functional light source module substrate
On be additionally provided with flash lamp, when carrying out image acquisition to eyeball under conditions of dark, flash lamp can play light filling effect.
The camera that the camera module includes camera module substrate and is arranged on camera module substrate, shooting
Head signal interface circuit and external interface circuit, transmission of the image data that camera is gathered through camera signals interface circuit
Pin is connected with external interface circuit；While external interface circuit is by being connected with the pricking with needle physical mechanical on core board, and
Play a part of signal transmission.The camera is arranged on the side of correspondence half-reflecting half mirror, and the center with half-reflecting half mirror
On the same axis.For the ease of quick, accurate focusing, it is ensured that the quality of image collection, between camera and anti-pellicle mirror
Distance within 5 mm, the distance between infrared light supply and camera be 6 mm.Utilizing camera interface circuit reserved it is compatible not
The interface of same model photographic head AFC parts power supply, can decide whether to weld magnetic with specific reference to the data book from photographic head
Pearl.
The circular hole corresponding with half-reflecting half mirror is provided with core board, the image letter of eyeball is gathered in order to camera
Breath.The side of the core board multi-functional light source module of correspondence is provided with pad, the pad on the pad and multi-functional light source module
Correspondence connects；Pricking with needle is provided with the side of core board correspondence camera module, the pricking with needle is slotting with the external interface of camera module
Seat communication connection.
Microprocessor MPU and basic input/output system BIOS are integrated with core board, and microprocessor MPU passes through I2C
Bus is communicated with basic input/output system BIOS, adjusts multifunctional light source module by BIOS；Microprocessor MPU is integrated
Camera controller FIMC, controls camera module.The MPU of core board passes through SCCB（A kind of I2C buses of reduction）Arrange
Photographic head depositor, is photographic head configuration good berth environment.
The infrared ray that the infrared light supply of multi-functional light source module sends is shone directly on the eyes of the person of being diagnosed, Jing eyeballs
It is reflected through half-reflecting half mirror and projects infrared pick-up head, infrared pick-up head carries out image collection to human eye movement track,
And then gathered data is sent to core board, eyeball image data is further processed by core board.
Hinge structure of the present invention has advantages below：
1st, the present invention will be multi-functional light source module, core board, camera module integral by pad solder, by half
Anti- lens are fixed in the middle of photographic head and multi-functional light source module, using the physical property of half-reflecting half mirror, extend iris half
Distance of the virtual representation to photographic head in anti-pellicle mirror, to meet the requirement of photographic head focal length, realizes photographic head and is closely clapping
Can auto-focusing, accurately focusing, the function of rapid focus when taking the photograph, it is ensured that the quality of image collection；
2nd, small volume of the present invention, lightweight, thickness of thin, compact conformation, not only realize the modularity of harvester, and
Make it have good portability.
Description of the drawings
Fig. 1 is the structural representation of eyeball image acquisition device of the present invention.
Fig. 2 is the structure chart of multi-functional light source module of the invention.
Fig. 3 is the structure chart of camera module.
Fig. 4 is core board A faces schematic diagram.
Fig. 5 is core board B faces schematic diagram.
Fig. 6 is the driving function flow chart of the present invention.
Specific embodiment
The structure of eyeball image acquisition device of the present invention, operation principle are done furtherly below by specific embodiment
It is bright.
A kind of eyeball image acquisition device, including core board 1 and it is arranged on the multi-functional light source module 3 of core board two sides
With 2 three parts of camera module（With reference to Fig. 1）, wherein：
Multi-functional light source module 3 includes multi-functional light source module substrate 3-4 and is arranged in multi-functional light source module substrate
Half-reflecting half mirror 3-1, infrared light supply 3-5, resistance 3-2, pad 3-3；Half-reflecting half mirror 3-1 is embedded in multi-functional light source module base
In the circular hole of plate middle part, infrared light supply 3-5, resistance 3-2 alternating is evenly arranged in the periphery of half-reflecting half mirror 3-1；It is infrared
Light source, resistance are connected with pad 3-3 by wire；One jiao in substrate 3-4 is provided with flash lamp 3-6, in light condition not
Light filling effect is provided when sufficient, to ensure to collect clearly image data（With reference to Fig. 2）.
Camera module 2 include camera module substrate 2-1 and be arranged on camera module substrate camera 2-2,
Camera signals interface circuit 2-4 and external interface circuit 2-3；The image data of camera collection is through camera signals interface
The transmission pin of circuit 2-4 is connected with external interface circuit 2-3.Camera is arranged on the side of correspondence half-reflecting half mirror 3-1, and
With the center of half-reflecting half mirror 3-1 on the same axis（With reference to Fig. 3）.In order to ensure the quality of image collection, infrared light supply 3-5
It is 6 mm with the distance between camera 2-2.
The circular hole 1-1 corresponding with half-reflecting half mirror 3-1 is provided with core board 1.In the multi-functional light source of core board correspondence
The side of module 3（B faces）Pad 1-2 is provided with, pad connection corresponding with the pad 3-3 on multi-functional light source module makes core
Core realizes physical connection with multi-functional light source module, realizes data transfer again（With reference to Fig. 5）；In core board correspondence photographic head
The side of module 2（A faces）Pricking with needle 1-3 is provided with, the pricking with needle is connected with the external interface circuit 2-3 communications of camera module, makes core
Core realizes physical connection with camera module, realizes data transfer again（With reference to Fig. 4）.
Microprocessor MPU and basic input/output system BIOS are integrated with core board, and microprocessor MPU passes through I2C
Bus is communicated with basic input/output system BIOS, adjusts multi-functional light source module by BIOS.MPU is whole core board
Core, we adopt MPU be integrated with camera controller FIMC（Fully Interactive Mobile Camera）,
The data of photographic head collection must first be transferred to FIMC, after FIMC process consign to MPU, and MPU arrives data display again
On display.The program and system self-triggered program of the most important basic input and output of the in store computers of BIOS, its main work(
Can provide the bottom, most direct hardware setting and control for computer.Therefore, one side MPU passes through I2C buses and BIOS
Communicated, multi-functional light source module, the collection of auxiliary camera image are adjusted by BIOS.On the other hand, will collect
Eyeball image is first transferred to FIMC, after further process of the FIMC to image data, and then the data after conversion is passed
On the defeated MPU on core board, then Jing MPU carry out next step analyzing and processing, to reach image collection, analysis, the purpose for processing
（See Fig. 6）.Meanwhile, MPU arranges photographic head depositor by SCCB, is photographic head configuration good berth environment, and reset shooting head mould
Group, makes photographic head carry out image collection.
Claims (4)
1. a kind of eyeball image acquisition device, it is characterised in that：Including core board（1）And it is arranged on many work(of core board two sides
Can light source module（3）And camera module（2）；
The multi-functional light source module（3）Including multi-functional light source module substrate（3-4）, it is embedded in multi-functional light source module substrate
Between half-reflecting half mirror in the circular hole of position（3-1）, the infrared light supply being fixedly installed in multi-functional light source module substrate（3-5）、
Resistance（3-2）And pad（3-3）, and infrared light supply, resistance pass through wire and pad（3-3）Connection；
The camera module（2）Including camera module substrate（2-1）And the camera being arranged on camera module substrate
（2-2）, camera signals interface circuit（2-4）And external interface circuit（2-3）；The image data of camera collection is through shooting
Head signal interface circuit（2-4）With external interface circuit（2-3）Connection；The camera（2-2）It is arranged on correspondence half-reflection and half-transmission
Mirror（3-1）Side, and and half-reflecting half mirror（3-1）Center on the same axis；The camera（2-2）With anti-pellicle mirror
（3-1）The distance between be 5 mm；Infrared light supply（3-5）With camera（2-2）Between distance be 6 mm；
Core board（1）On be provided with and half-reflecting half mirror（3-1）Corresponding circular hole（1-1）；In core board correspondence multifunctional light
Source module（3）Side be provided with pad（1-2）, the pad on the pad and multi-functional light source module（3-3）Correspondence connects；
Core board correspondence camera module（2）Side be provided with pricking with needle（1-3）, the external interface circuit of the pricking with needle and camera module
（2-3）Communication connection；
Core board（1）On be integrated with microprocessor MPU and basic input/output system BIOS, and microprocessor MPU is total by I2C
Line is communicated with basic input/output system BIOS, adjusts multifunctional light source module by BIOS；Microprocessor MPU is integrated with
Camera controller FIMC controls camera module.
2. eyeball image acquisition device as claimed in claim 1, it is characterised in that：The multifunctional light source module（3）Electricity
Resistance replaces the periphery for being evenly arranged in half-reflecting half mirror with infrared light supply.
3. eyeball image acquisition device as claimed in claim 1, it is characterised in that：In multifunctional light source module substrate（3-4）
On be additionally provided with flash lamp（3-6）.
4. eyeball image acquisition device as claimed in claim 1, it is characterised in that：Core board（1）Microprocessor MPU pass through
SCCB arranges photographic head depositor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410290343.6A CN104036256B (en) | 2014-06-25 | 2014-06-25 | Eyeball image collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410290343.6A CN104036256B (en) | 2014-06-25 | 2014-06-25 | Eyeball image collection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104036256A CN104036256A (en) | 2014-09-10 |
| CN104036256B true CN104036256B (en) | 2017-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410290343.6A Expired - Fee Related CN104036256B (en) | 2014-06-25 | 2014-06-25 | Eyeball image collection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104036256B (en) |
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 |
|---|
| 虹膜采集与识别装置的研究;张丽丽;《中国优秀硕士学位论文 信息科技辑》;20111215(第S2期);论文正文第9-21页 * |
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| CN104036256A (en) | 2014-09-10 |
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| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
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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| COR | Change of bibliographic data |
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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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20180625 |