CN202960462U - Eyeball movement detection device - Google Patents
Eyeball movement detection device Download PDFInfo
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- CN202960462U CN202960462U CN 201220636284 CN201220636284U CN202960462U CN 202960462 U CN202960462 U CN 202960462U CN 201220636284 CN201220636284 CN 201220636284 CN 201220636284 U CN201220636284 U CN 201220636284U CN 202960462 U CN202960462 U CN 202960462U
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- light source
- eyeball
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- checkout gear
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Abstract
The utility model provides an eyeball movement detection device, and belongs to the field of electronic detection. The eyeball movement detection device comprises an outer shell, a processor, a light source plate and a camera, wherein the light source plate is arranged in parallel with a detection surface of the outer shell, an illumination unit is arranged at one side, facing the detection surface of the outer shell, of the light source plate, the light source plate is further provided with a light source control circuit, the processor controls the illumination unit to work through the light source control circuit, the camera collects eyeball images and sends the eyeball images to the processor, the processor detects the movement of an eyeball according to the variation of the position of the center of the eyeball in the eyeball images, and therefore the eyeball movement detection device is capable of accurately detecting the movement conditions of the eyeball both under a bright condition or a dark condition. In addition, the outer shell adopts a black shell body, the illumination unit adopts an infrared light-emitting diode (LED) lamp, the detection surface of the outer shell adopts an optical filter sheet, and the inference to the eyeball movement from the illumination unit is lowered.
Description
Technical field
This utility model relates to human simulation and detected electrons product technical field, relates in particular to a kind of ocular movement checkout gear.
Background technology
Eyes are main thoroughfares that external information enters human brain, the research of its motion conditions are helped to understand the mankind's process of information processing, and the motion of therefore observing eyeball is artificial intelligence's an important research direction also, is also the important means that realizes human-computer interaction.The method that detects the motion of eyeball has multiple, the electro-oculogram method, it is based on the principle work of optokinetics, characteristics be precision low, the people is disturbed greatly; Iris-sclera edge method is also that optokinetics is relevant with corneal reflection method, characteristics be to the people disturb greatly, the survey tool error is large; The error of pupil-corneal reflex vector method is little, measures accurately, but inconvenient; The certainty of measurement of two purkinje figures methods is high, but large to people's interference, and the characteristics of contact lens method are that precision is high, and are large to people's interference, uncomfortable, just because of the deficiency of these methods, therefore all can't be widely used in real life.
The utility model content
This utility model is intended to solve the technical problem that exists in prior art, has proposed to special innovation the higher ocular movement checkout gear of a kind of accuracy of detection.
In order to realize above-mentioned purpose of the present utility model, this utility model provides a kind of ocular movement checkout gear, comprise processor (4), it is characterized in that: also comprise photographic head (2), described photographic head (2) is used for gathering the eyeball image and sending to this processor (4); Described processor (4) is used for detecting according to the variation of eyeball image eyeball center the motion of eyeball.This utility model has increased photographic head, adopts image processing techniques, can more accurately detect the motion conditions of eyeball.
This ocular movement checkout gear also comprises shell (1) and light source board (3), described light source board (3) be arranged in parallel with respect to the detection faces of shell (1), and is provided with luminescence unit (5) at described light source board (3) towards a side of this shell (1) detection faces;
Also be provided with control circuit for light source (6) on described light source board (3), and this processor (4) is controlled this luminescence unit (5) work by this control circuit for light source (6).This utility model has increased light source board, even the motion conditions of eyeball also can accurately be detected under black dull condition.
The camera lens of described photographic head (2) passes from the center of this light source board (3), and towards the detection faces of shell (1).In the side of described light source board (3) towards shell (1) detection faces, described luminescence unit (5) is symmetrical arranged with respect to photographic head (2), the eyeball image ratio that detects under black dull condition of photographic head is more clear thus, and then has improved the accuracy of detection of eyeball under black dull adjusting.
Described shell (1) is selected the black housing, can reduce luminescence unit ocular movement is caused interference.
Described luminescence unit (5) is selected the infrared LED lamp, and the detection faces of described shell (1) is selected optical filter, this filter plate can block visible light, pass through Infrared, can guarantee that not only photographic head realizes the eyeball image acquisition under black dull condition, but also can further reduce luminescence unit to oculomotor interference.
This ocular movement checkout gear also comprises blinker, and this processor (4) shows the direction of motion of eyeball by this direction display lamp, in order to check more intuitively the direction of motion of eyeball.
This ocular movement checkout gear also comprises circuit of light sources, be used for providing corresponding power supply to this photographic head (2), processor (4), blinker respectively, and provide power supply by this control circuit for light source (6) to this luminescence unit (5).
Described processor (4) is connected with photographic head (2) by the high-speed transmission line of USB2.0, to satisfy the real-time of eyeball image transmitting.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
This utility model all can accurately detect the motion conditions of eyeball under bright and clear or black dull condition, less to oculomotor interference, and the direction of motion that can check intuitively eyeball.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is circuit theory diagrams of the present utility model;
Fig. 2 is the front view of the first embodiment of the present utility model;
Fig. 3 is the side view of the first embodiment of the present utility model.
The specific embodiment
The below describes embodiment of the present utility model in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining this utility model, and can not be interpreted as restriction of the present utility model.
in description of the present utility model, it will be appreciated that, term " vertically ", " laterally ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only this utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, except regulation and restriction are separately arranged, need to prove, term " installation ", " being connected ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, can be also the connection of two element internals, can be directly to be connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
As shown in Figure 1, this ocular movement checkout gear comprises photographic head, circuit of light sources, control circuit for light source, luminescence unit and blinker, wherein circuit of light sources is used for providing corresponding power supply to photographic head, processor, blinker respectively, and provides power supply by control circuit for light source to luminescence unit; Camera collection eyeball image also sends to this processor, and processor detects the direction of motion and the amplitude size of eyeball according to the conversion of eyeball center in the eyeball image, and shows the direction of motion of eyeball by this direction display lamp; Processor is controlled control circuit for light source, thereby controls luminescence unit work.
In the first embodiment of the present utility model, as shown in Fig. 2～3, this ocular movement checkout gear also comprises shell 1, control circuit for light source 6 and luminescence unit 5 are arranged on light source board 3, light source board 3 be arranged in parallel with respect to the detection faces of shell 1, the camera lens of photographic head 2 passes from the center of this light source board 3, towards the detection faces of shell 1; In the side of light source board 3 towards shell 1 detection faces, be symmetrically arranged with luminescence unit 5 with respect to photographic head 2; Processor 4 is connected with photographic head 2 by the high-speed transmission line of USB2.0, and this processor 4 is by wire connecting power control circuit 6.
In the present embodiment, processor is selected the ARM11 series of processes chip S3C6410 of Samsung, and this chip speed is high, can satisfy the requirement that view data is processed; Photographic head is selected the MT9V011 chip of MICRON company, configuration USB2.0 coffret, and image is 640*480, frame per second is 15FPS, can satisfy the transmission requirement of high-speed data; Control circuit for light source adopts the switch of controlling luminescence unit work; Luminescence unit adopts powerful infrared LED lamp, is convenient to the motion that long distance is taken eyeball, adopts simultaneously the infrared light supply minimizing to the interference of human eye.In addition, shell 1 is selected black housing (block visible light, outer casing thickness is no more than 1mm), avoids the flicker of infrared LED lamp on human eye movement's impact; The detection faces of shell 1 is selected optical filter, is used for block visible light, passes through Infrared.
Operation principle of the present utility model is: when carrying out the ocular movement detection, at first, camera collection one width eyeball image is as initial pictures and send to processor, and processor utilizes image processing techniques to determine the center of eyeball; Then, photographic head is with the speed acquisition eyeball image of 15FPS and send to processor, processor is determined oculomotor direction and amplitude size according to the variation of current eyeball image with respect to the eyeball center of a upper width eyeball image, thereby realizes the detection of eyeball.
When using this ocular movement checkout gear, the ocular movement checkout gear is positioned over the place ahead of people, keep certain distance with the horizontal range of human eye, vertically height is a little less than the height of looking squarely of eyes, people's normal operation is not disturbed in the installation site, for example in common working clan's work, can be installed on the left and right sides or the display bottom of display, pick-up lens is aimed at people's eyes (can not have article to block in use), and has debugged shooting focal length; For general test, this device firmly is placed on a certain position, camera lens is externally surveyed, connect power supply and signal line, debugged the shooting focal length of photographic head, the tested personnel sits up straight in photographic head the place ahead 40～50 centimeters, and eyes are a little more than the vertical height of photographic head, can detect the motion of eyeball, and indicate the direction of motion at the core processing plate.After checkout gear detected ocular movement, the display lamp of core processing plate is flicker just, indicates oculomotor direction.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present utility model and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.
Claims (9)
1. an ocular movement checkout gear, comprise processor (4), it is characterized in that: also comprise photographic head (2), described photographic head (2) is used for gathering the eyeball image and sending to this processor (4); Described processor (4) is used for detecting according to the variation of eyeball image eyeball center the motion of eyeball.
2. ocular movement checkout gear according to claim 1, it is characterized in that: also comprise shell (1) and light source board (3), described light source board (3) be arranged in parallel with respect to the detection faces of shell (1), and is provided with luminescence unit (5) at described light source board (3) towards a side of this shell (1) detection faces;
Also be provided with control circuit for light source (6) on described light source board (3), and this processor (4) is controlled this luminescence unit (5) work by this control circuit for light source (6).
3. ocular movement checkout gear according to claim 2, it is characterized in that: the camera lens of described photographic head (2) passes from the center of this light source board (3), and towards the detection faces of shell (1).
4. ocular movement checkout gear according to claim 3, it is characterized in that: in the side of described light source board (3) towards shell (1) detection faces, described luminescence unit (5) is symmetrical arranged with respect to photographic head (2).
5. any one described ocular movement checkout gear according to claim 1～4, it is characterized in that: described shell (1) is selected the black housing.
6. the described ocular movement checkout gear of any one according to claim 1,2 and 4, it is characterized in that: described luminescence unit (5) is selected the infrared LED lamp, and the detection faces of described shell (1) is selected optical filter.
7. ocular movement checkout gear according to claim 1 and 2, it is characterized in that: also comprise blinker, this processor (4) shows the direction of motion of eyeball by this direction display lamp.
8. ocular movement checkout gear according to claim 3, it is characterized in that: also comprise circuit of light sources, be used for providing corresponding power supply to this photographic head (2), processor (4), blinker respectively, and provide power supply by this control circuit for light source (6) to this luminescence unit (5).
9. ocular movement checkout gear according to claim 1 is characterized in that: described processor (4) is connected with photographic head (2) by the high-speed transmission line of USB2.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220636284 CN202960462U (en) | 2012-11-27 | 2012-11-27 | Eyeball movement detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220636284 CN202960462U (en) | 2012-11-27 | 2012-11-27 | Eyeball movement detection device |
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| Publication Number | Publication Date |
|---|---|
| CN202960462U true CN202960462U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220636284 Expired - Fee Related CN202960462U (en) | 2012-11-27 | 2012-11-27 | Eyeball movement detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104720739A (en) * | 2013-09-19 | 2015-06-24 | Gn尔听美公司 | Headgear for observation of eye movements |
| CN104778390A (en) * | 2014-01-10 | 2015-07-15 | 由田新技股份有限公司 | Identity authentication system and method thereof |
| CN106419832A (en) * | 2016-08-22 | 2017-02-22 | 伍国永 | Intelligent eye disease detection glasses |
| US10130512B2 (en) | 2013-09-19 | 2018-11-20 | Natus Medical Incorporated | Headgear for observation of eye movements |
| CN112370011A (en) * | 2020-11-12 | 2021-02-19 | 奥佳华瑞(厦门)医疗科技有限公司 | Eyeball mobility detector |
-
2012
- 2012-11-27 CN CN 201220636284 patent/CN202960462U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104720739A (en) * | 2013-09-19 | 2015-06-24 | Gn尔听美公司 | Headgear for observation of eye movements |
| US10130512B2 (en) | 2013-09-19 | 2018-11-20 | Natus Medical Incorporated | Headgear for observation of eye movements |
| CN104778390A (en) * | 2014-01-10 | 2015-07-15 | 由田新技股份有限公司 | Identity authentication system and method thereof |
| CN106419832A (en) * | 2016-08-22 | 2017-02-22 | 伍国永 | Intelligent eye disease detection glasses |
| CN112370011A (en) * | 2020-11-12 | 2021-02-19 | 奥佳华瑞(厦门)医疗科技有限公司 | Eyeball mobility detector |
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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: 20130605 Termination date: 20171127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |