CN1996342A - Digital video eye movement analyzer - Google Patents
Digital video eye movement analyzer Download PDFInfo
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- CN1996342A CN1996342A CN 200510132753 CN200510132753A CN1996342A CN 1996342 A CN1996342 A CN 1996342A CN 200510132753 CN200510132753 CN 200510132753 CN 200510132753 A CN200510132753 A CN 200510132753A CN 1996342 A CN1996342 A CN 1996342A
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Abstract
The invention relates to digital video eye dynamic analyzer. It comprises video input, image gathering card, microprocessor and display. It uses machine visual technique to identify the eye moving track with eye moving image gathering, digital image process and analysis, and storage display. The analyzer is contact free without any damage, digitalized, tunable gathering cycle, timely on line automatic tracking the movement of the iris with authentic colorful image. It can be widely applied in biology, animal, medicine, and so on for human being and animal psychological and behavior analysis, also used in clinical diagnostics.
Description
Technical field:
The present invention relates to a kind of digital video eye motion analyzer, belong to the machine vision technique field.
Background technology:
The technology that adopts machine vision technique to discern identity according to the physiology and the behavioural characteristic of human body self has caused the extensive concern of international academic community and business circles.People's physiological characteristic mainly comprise fingerprint, face picture, iris, etc., people's behavioural characteristic mainly comprises person's handwriting, sound etc.Adopt the research that people's eye pupil and iris image are discerned to be primarily aimed at people's authentication [1] at present.And discern human or animal's the rarely found report of psychological activity according to human or animal's physiological characteristic (pupil and iris).Cited paper [1]:
J.G.Daugman.United?States?Patents?No.5,291,560(issued?March?1994).Biomedical?Personal?Identification?System?Based?On?Iris?Analysis.Washington?D.C.：U.S.Government?Printing?Office，1994。
Summary of the invention:
Digital video eye motion analyzer of the present invention proposes human or animal's (as monkey) eye pupil image is discerned, and obtains eye movement, thereby is used to analyze human or animal's psychology and behavioral activity.
The invention discloses a kind of digital video eye motion analyzer that adopts the machine vision technique real-time online to discern eye movement automatically.Purpose is to overcome the prior art deficiency, a kind of to have a noncontact harmless and provide, digitizing, sampling period is adjustable, can be by automatic recognition and tracking eye pupil motion, obtain eye movement, thereby be used to analyze human or animal's relevant physiological and psychological characteristics, and can show the digital video eye motion analyzer of advantages such as electromyogram picture.This analyser can be widely used in industries such as biology, animal, medical science, public security and carry out human or animal's psychology and behavioral activity analysis, and can be used for clinical treatment diagnosis etc.
The technical scheme of digital video eye motion analyzer of the present invention is: digital video eye motion analyzer is made up of video input unit (1), image pick-up card (2), microprocessor (3) and display screen (4).Thereby utilize the automatic recognition and tracking eye pupil motion of machine vision technique to obtain the digital video eye motion analyzer of eye movement, its job step is as follows:
1. video input unit (1) is aimed at tested eyes;
2. video input unit (1) is connected to the video inputs of the image pick-up card (2) of analyser;
3. the machine vision electromyogram of desire being carried out the eye movement analysis task deposits in the program storage of this analyser microprocessor (3) as analysis and processing program;
4. start the microprocessor (3) of this analyser, CPU follow procedure initialization analyser image pick-up card (2);
5. microprocessor (3) control image pick-up card (2) sampling period predefined by system or that be set by the user is gathered the eye motion image series in video input unit (1) visual field;
6. microprocessor (3) is handled the eye motion image series and analysis meter is calculated the position coordinates of pupil on each width of cloth eye image;
7. microprocessor (3) is connected to form eye movement figure with each width of cloth eye image pupil position coordinate;
8. microprocessor (3) writes down required eye image, eye movement figure and gets off to be kept in the storer;
9. microprocessor (3) is put eye movement figure automatically in order and is formed eye movement trend variation diagram.
10. microprocessor (3) is simultaneously displayed on the display screen (4) as corresponding eye movement figure, eye movement trend variation diagram with real-time electromyogram picture, with electromyogram.
11. the beginning of microprocessor (3) control analysis instrument, stop, manual intervention and abnormal conditions handle.
The present invention compared with prior art has following beneficial effect:
1. analyze human or animal's eye movement in real time automatically tested eyes true color image intuitively is provided simultaneously;
2. analyser does not have direct physical to be connected with tested eyes, has avoided tested eyes are damaged;
3. digitizing makes that analyser both can independent operating, again can remote transmission, and share in the strange land;
4. analysis speed can reach a millisecond grade, and accuracy of detection can reach a millimeter grade;
5. the sampling period is manually adjustable;
6. can write down and show tested eyes eye movement variation tendency.
Description of drawings:
Accompanying drawing 1 is the structured flowchart of digital video eye motion analyzer.
Accompanying drawing 2 is the principle of work block diagram of digital video eye motion analyzer.
Accompanying drawing 3 is the software flow block diagram of digital video eye motion analyzer.
Embodiment:
Below in conjunction with accompanying drawing and to analyze the monkey eye movement is that the invention will be further described for example:
Digital video eye motion analyzer is made up of video input unit (1), image pick-up card (2), microprocessor (3) and display screen (4).Video input unit (1) can be the normal component that the video camera of standard speed or non-standard rate maybe can obtain image.Video input unit (1) is installed on the straight-arm that protracts with the similar clamp ring of headphone, is worn on the tested monkey head, aim at tested monkey eyes, this clamp ring can not damage any position of monkey head or health.Video input unit (1) is sent to image pick-up card (2) with the analog or digital image of monkey eyes by cable or data bus, image pick-up card is sent to microprocessor (3) by data bus with digital picture, the monkey eye image is treated in microprocessor (3) to obtain current monkey eye movement figure and eye movement changing trend diagram with analysis, and eye movement figure, eye movement changing trend diagram and eye image can be stored in the microprocessor (3) and can go up demonstration or carry out remote transmission by the built-in communication port of microprocessor (3) at display screen (4) simultaneously.Video input unit of the present invention (1), image pick-up card (2), microprocessor (3), display screen (4) all are the normal component that can directly purchase.
Utilize machine vision technique to analyze the monkey eye movement and adopt the following step:
1. the clamp ring that video input unit (1) has been installed is worn on the tested monkey head;
2. video input unit (1) is aimed at tested monkey eyes;
3. video input unit (1) is connected to the video inputs of the image pick-up card (2) of analyser;
4. the machine vision electromyogram of desire being carried out the eye movement analysis task deposits in the program storage of this analyser microprocessor (3) as analysis and processing program;
5. start the microprocessor (3) of this analyser, CPU follow procedure initialization analyser image pick-up card (2);
6. microprocessor (3) control image pick-up card (2) sampling period predefined by system or that be set by the user is gathered the eye motion image series in video input unit (1) visual field;
7. microprocessor (3) is handled the eye motion image series and analysis meter is calculated the position coordinates of pupil on each width of cloth eye image;
8. microprocessor (3) is connected to form eye movement figure with each width of cloth eye image pupil position coordinate;
9. microprocessor (3) writes down required eye image, eye movement figure and gets off to be kept in the storer;
10. microprocessor (3) is put eye movement figure automatically in order and is formed eye movement trend variation diagram.
11. microprocessor (3) is simultaneously displayed on the display screen (4) as corresponding eye movement figure, eye movement trend variation diagram with real-time electromyogram picture, with electromyogram.
Claims (1)
1, utilizes the digital video eye motion analyzer of machine vision technique analysis human or animal eye movement, it is characterized in that video input unit (1) that digital video eye motion analyzer is connected by the video inputs with image pick-up card (2), be plugged on image pick-up card (2), the microprocessor (3) on microprocessor (3) bus slot, the display screen (4) that is connected on microprocessor (3) display card is formed, the step that digital video eye motion analyzer is analyzed eye movement is as follows:
1.. video input unit (1) is aimed at tested eyes;
2.. video input unit (1) is connected to the video inputs of the image pick-up card (2) of analyser;
3.. the machine vision electromyogram of desire being carried out the eye movement analysis task deposits in the program storage of this analyser microprocessor (3) as analysis and processing program;
4.. start the microprocessor (3) of this analyser, the image pick-up card (2) of CPU follow procedure initialization analyser;
5.. microprocessor (3) control image pick-up card (2) sampling period predefined by system or that be set by the user is gathered the eye motion image series in video input unit (1) visual field;
6.. microprocessor (3) is handled the eye motion image series and analysis meter is calculated the position coordinates of pupil on each width of cloth eye image;
7.. microprocessor (3) is connected to form eye movement figure with each width of cloth eye image pupil position coordinate;
8.. microprocessor (3) writes down required eye image, eye movement figure and gets off to be kept in the storer;
9.. microprocessor (3) is put eye movement figure automatically in order and is formed eye movement trend variation diagram;
10.. microprocessor (3) is simultaneously displayed on the display screen (4) as corresponding eye movement figure, eye movement trend variation diagram with real-time electromyogram picture, with electromyogram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510132753 CN1996342A (en) | 2005-12-28 | 2005-12-28 | Digital video eye movement analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510132753 CN1996342A (en) | 2005-12-28 | 2005-12-28 | Digital video eye movement analyzer |
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| CN1996342A true CN1996342A (en) | 2007-07-11 |
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| CN 200510132753 Pending CN1996342A (en) | 2005-12-28 | 2005-12-28 | Digital video eye movement analyzer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500011A (en) * | 2013-10-08 | 2014-01-08 | 百度在线网络技术（北京）有限公司 | Eye movement track law analysis method and device |
| CN104905765A (en) * | 2015-06-08 | 2015-09-16 | 四川大学华西医院 | FPGA implementation method based on Camshift algorithm in eye movement tracking |
| WO2018184242A1 (en) * | 2017-04-08 | 2018-10-11 | 闲客智能（深圳）科技有限公司 | Image analysis-based eye movement direction identification method and device |
| CN109887583A (en) * | 2019-03-11 | 2019-06-14 | 数坤（北京）网络科技有限公司 | Data capture method/system based on doctors' behaviors, magic magiscan |
-
2005
- 2005-12-28 CN CN 200510132753 patent/CN1996342A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500011A (en) * | 2013-10-08 | 2014-01-08 | 百度在线网络技术（北京）有限公司 | Eye movement track law analysis method and device |
| CN103500011B (en) * | 2013-10-08 | 2016-08-17 | 百度在线网络技术（北京）有限公司 | Eye movement law analytical method and device |
| CN104905765A (en) * | 2015-06-08 | 2015-09-16 | 四川大学华西医院 | FPGA implementation method based on Camshift algorithm in eye movement tracking |
| WO2018184242A1 (en) * | 2017-04-08 | 2018-10-11 | 闲客智能（深圳）科技有限公司 | Image analysis-based eye movement direction identification method and device |
| CN109887583A (en) * | 2019-03-11 | 2019-06-14 | 数坤（北京）网络科技有限公司 | Data capture method/system based on doctors' behaviors, magic magiscan |
| CN109887583B (en) * | 2019-03-11 | 2020-12-22 | 数坤（北京）网络科技有限公司 | Data acquisition method/system based on doctor behaviors and medical image processing system |
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