CN102525400A - Intelligent eyesight detecting device with binocular cameras - Google Patents
Intelligent eyesight detecting device with binocular cameras Download PDFInfo
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- CN102525400A CN102525400A CN2012100084760A CN201210008476A CN102525400A CN 102525400 A CN102525400 A CN 102525400A CN 2012100084760 A CN2012100084760 A CN 2012100084760A CN 201210008476 A CN201210008476 A CN 201210008476A CN 102525400 A CN102525400 A CN 102525400A
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Abstract
The invention relates to an intelligent eyesight detecting device with binocular cameras. Two cameras are placed in an imaging plane, the two cameras have the same focal length and are connected with a computer through image acquisition cards; the computer is connected with a visual chart display device; the binocular cameras are used for photographing an eyesight detected person; the image acquisition cards are used for acquiring images and detecting a face area in the images and positions of double eyes in the face area; the computer is used for calculating the distance between the center of the double eyes of the detected person and a detection character display screen of the visual chart display device; and the computer is connected with wireless transceiving equipment at the computer end, and the computer wireless transceiving equipment is in wireless communication connection with a wireless human-computer interactive device at the eyesight detected person end. The detecting device can be used for conveniently and accurately detecting the eyesight.
Description
Technical field
The present invention relates to a kind of three and reappear visual machine, is a kind of intelligent vision checkout gear specifically.
Background technology
It is the conventional content of health check-ups that human vision detects, and existing inspection method can be divided into inspection method that adopts the traditional printing visual acuity chart and the automatic testing method that utilizes Computer Multimedia Technology.These two kinds of methods all are that the vision detection is carried out in requirement detected person specific range position before visual acuity chart or visual acuity chart display; Detection character constant dimension in visual acuity chart or the display is constant; Like this as the detected person because subjectivity or odjective cause fail to participate in vision when detecting at above-mentioned ad-hoc location, will the accuracy that vision detects be impacted.To this problem, occurred utilizing the vision checkout gear of distance between infrared distance measurement commercial measurement detected person and visual acuity chart or the visual acuity chart display in recent years, but this type device can not be distinguished other people or thing in the testing environment, practicality is not strong.
Summary of the invention
The present invention is directed to exist in the prior art do not have high carrying out self adaptation according to detected person and visual acuity chart distance and regulate the problem that human vision is detected that detects character boundary of a kind of simple and convenient while precision; And a kind of intelligent vision checkout gear that has binocular camera is provided; This device can position the detected person easily; Calculate above-mentioned distance, regulate to detect character boundary, maximal accuracy vision is detected.Simultaneously, realize man-machine interaction through wireless device.
For achieving the above object, the present invention adopts following technical scheme:
A kind of intelligent vision checkout gear that has binocular camera; The wireless human-computer interactive device, card reader and the detected person ID card that comprise binocular camera, visual acuity chart display device, computer, image pick-up card, computer terminal wireless transmitting-receiving equipments, vision person to be detected end; Be characterized in: two video cameras are placed on the image plane; Two focal length of camera are identical; And be connected with computer through image pick-up card, computer is connected with the visual acuity chart display device, is used for binocular camera vision person to be detected is taken pictures; Through human face region in image pick-up card images acquired, the detected image and the eyes position in the human face region, go out the distance of detected person's eyes center to the detection character display screen of visual acuity chart display device through COMPUTER CALCULATION; Computer is connected with the computer terminal wireless transmitting-receiving equipments, and the computer terminal wireless transmitting-receiving equipments is connected with the wireless human-computer interactive device wireless telecommunications of vision person's end to be detected.
Computer also is connected with card reader.Be inserted with detected person ID card in the card reader.
Computer is the embedded calculating treatmenting equipment of PC or notebook type portable machine or installation treatment software.
Image pick-up card is the hardware integrated circuit board that is made up of the DSP digital signal processor; Its input is connected with binocular camera through 1394 lines or AV line, is used for the picture signal decoding processing that binocular camera is gathered, and passes to computer through bus.
The computer terminal wireless transmitting-receiving equipments receives the command signal that sends from the detected person through infrared radio communication or blue tooth wireless communication and through blue tooth wireless communication transmission/reception detected person voice signal, and to carry out sound mutual with the detected person.
The wireless human-computer interactive device of vision person's end to be detected is to have the wireless mouse of infrared radio ability to communicate and blue tooth wireless communication ability or the earphone-microphone with bluetooth communication ability.
The invention has the beneficial effects as follows: the present invention utilizes binocular camera to measure the distance between detected person and the visual acuity chart display device, according to the size of this distance adjustment display device vision detection character and in display device, show.The headset prompting detected person that computer is worn to the detected person through blue-tooth radio equipment emission voice signal after showing prepares to receive and detects.The detected person accepts to detect the selection that afterwards detects answer with wireless mouse, and circulation is carried out, and detects until accomplishing.
This shows that checkout gear of the present invention can accurately detect vision easily.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is that the display device of man-machine interaction stage shows sketch map when detecting beginning;
Fig. 3 is that the display device of man-machine interaction stage shows sketch map in the testing process.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
As shown in Figure 1, the intelligent vision checkout gear that has binocular camera of the present invention is made up of wireless human-computer interactive device 7, card reader 8 and the detected person ID card 9 of binocular camera 1, visual acuity chart display device 2, computer 3, image pick-up card 4, computer terminal wireless transmitting-receiving equipments 6, vision person to be detected end.
Binocular camera 1 adopts two industrial analog or digital video cameras; These two video cameras require the special placement of enterprising row in the position; The plane of delineation (claiming projection plane again) that promptly forms images is positioned at same plane and has only the translation of a dimension in inertial space, require two focal length of camera identical in addition.Binocular camera 1 is connected with computer 3 through image pick-up card, and computer 3 is connected with visual acuity chart display device 2.Computer 3 is connected with computer terminal wireless transmitting-receiving equipments 6, and computer terminal wireless transmitting-receiving equipments 6 is connected with wireless human-computer interactive device 7 wireless telecommunications of vision person's end to be detected.
Binocular camera 1 couple of vision person to be detected take pictures; Human face region after the images acquired in the automatic detected image; And then in human face region, detect the eyes position; Carry out the calculating of eyes geometric center, in computer 3, calculate detected person's eyes center to the distance that detects the character display screen according to the binocular vision 3 D reproducing technology at last.
After computer 3 calculates tester's eyes center and detects the distance of character display screen; According to definite size and the corresponding vision record value that detects character of built-in " visual acuity chart national standard---standard logarithmic visual acuity chart [GB 11533-1989] " that keeps, confirmed that the detection character of size shows to visual acuity chart display device 2 through bus transfer.
Visual acuity chart display device 2 can be the display that is independent of computer; Also can be the display supporting, but will guarantee that its resolution, illumination, brightness etc. will meet the requirement of " visual acuity chart national standard---standard logarithmic visual acuity chart [GB 11533-1989] " to the key element that detects character and show influence with computer.
Image pick-up card 4 is meant that it is main hardware integrated circuit board that secondary computer is gathered the DSP digital signal processor of binocular camera picture signal.Image pick-up card 4 inputs are connected with binocular camera 1 through 1394 lines or AV line, and the picture signal decoding that binocular camera 1 is gathered is handled, and pass to computer 3 through bus then.(Digital Signal Processing (Digital Signal Processing, be called for short DSP), 1394 lines are used for connecting the line of DV and computer, by nineteen ninety-five Institute of Electrical and Electronics Engineers IEEE (IEEE) it as formal new standard, number 1394).
Computer terminal wireless transmitting-receiving equipments 6 has infrared radio ability to communicate and blue tooth wireless communication ability.Wherein the infrared radio transceiver receives the instruction of sending from the detected person, blue tooth wireless communication equipment transmission/received speech signal, and to carry out sound mutual with the detected person.
The wireless human-computer interactive device 7 of vision person's end to be detected has infrared radio ability to communicate and blue tooth wireless communication ability, specifically refers to have the wireless mouse of infrared communication ability and the earphone-microphone of bluetooth communication ability.
Computer 3 can be that PC, notebook type portable machine and other of traditional sense have the embedded processing equipment of similar computing capability, installation treatment software.
Use of the present invention:
(1) checkout gear start and completion preparation work
The checkout gear start is powered on, and card reader 8 is read detected person ID card 9 information, and the wireless headset that checkout gear is worn to vision person to be detected through blue tooth wireless communication equipment sends voice signal and points out vision person to be detected to prepare to accept the left vision detection;
(2) vision person to be detected carries out man-machine interaction through wireless mouse and the checkout gear with infrared communication ability, informs that checkout gear has been ready to be checked, and this process display device 2 shows shown in accompanying drawing 2;
(3) 1 couple of detected person of computer 3 control binocular cameras takes pictures; And in the image of gathering, confirm human face region automatically; And then detect human eye position and computational geometry center, utilize that binocular stereo vision three-dimensional reconstruction technique computes goes out the distance of human eye apart from the visual acuity chart display device in the machine vision; According to this distance that calculates, confirm the size of the detection character of each grade vision correspondence in the visual acuity chart with reference to national standard " visual acuity chart national standard---standard logarithmic visual acuity chart [GB 11533-1989] " then; Visual acuity chart detection character service regeulations send to and carry out the vision demonstration in the visual acuity chart display device 2 in detecting according to traditional vision at last.This process display device shows that wherein the size of character is not invariable shown in the top in the accompanying drawing 3, but according to the aforementioned process range finding from adjusting in real time.
(4) vision person to be detected according to observed detection character make direction select " on ", D score, " left side ", " right side ", if do not see Chu Ze make a choice " smudgy ".Selection is to carry out man-machine interaction through wireless mouse and checkout gear that use has an infrared communication ability to accomplish, and this process display device shows shown in accompanying drawing 3 lower middle portion.
(5) computer 3 determines the detection of next step vision grade and the demonstration of respective symbols according to the selection that the detected person makes, and circulation is carried out detecting until accomplishing left eye;
(6) checkout gear points out vision person to be detected to prepare to accept the vision detection through blue tooth wireless communication equipment to the wireless headset transmission voice signal that vision person to be detected wears, and accomplishes right vision according to step and detects.
(7) after the end, the wireless headset that checkout gear is worn to vision person to be detected through blue tooth wireless communication equipment sends voice signal and points out vision person to be detected to accomplish the vision detection.Simultaneously, testing result is saved in detected person's the ID card 9 through serial-port card reader 8.
The present invention takes pictures to the detected person through binocular camera and obtains image information; Confirm facial zone in the image then; In facial zone, identify the human eye position at last; Utilize binocular camera three-dimensional reconstruction technique computes to go out the distance between eye center and the visual acuity chart (or visual acuity chart display device), confirm to detect in the visual acuity chart size of character, solved the problem that prior art exists.
Claims (7)
1. intelligent vision checkout gear that has binocular camera; The wireless human-computer interactive device (7), the card reader (8) that comprise binocular camera (1), visual acuity chart display device (2), computer (3), IMAQ (4) card, computer terminal wireless transmitting-receiving equipments (6), vision person to be detected end; It is characterized in that: two binocular cameras (1) are placed on the image plane; Two binocular cameras (1) focal length is identical; And be connected with computer (3) through image pick-up card (4); Computer (3) is connected with visual acuity chart display device (2); Be used for binocular camera (1) vision person to be detected is taken pictures,, calculate the distance of detected person's eyes center to the detection character display screen of visual acuity chart display device through computer (3) through the eyes position in human face region in image pick-up card (4) images acquired, the detected image and the human face region; Computer (3) is connected with computer terminal wireless transmitting-receiving equipments (6), and computer terminal wireless transmitting-receiving equipments (6) is connected with wireless human-computer interactive device (7) wireless telecommunications of vision person's end to be detected.
2. the intelligent vision checkout gear that has binocular camera according to claim 1 is characterized in that: said computer (3) also is connected with card reader (8).
3. the intelligent vision checkout gear that has binocular camera according to claim 1 is characterized in that: be inserted with detected person ID card (9) in the said card reader (8).
4. the intelligent vision checkout gear that has binocular camera according to claim 1 is characterized in that: said computer (3) is the embedded calculating treatmenting equipment of PC or notebook type portable machine or installation treatment software.
5. the intelligent vision checkout gear that has binocular camera according to claim 1 is characterized in that: said image pick-up card (4) is the hardware integrated circuit board that is made up of the DSP digital signal processor; Its input is used for the picture signal decoding processing that binocular camera (1) is gathered, and passes to computer (3) through bus through 1394 lines or AV line and binocular camera (1) connection mutually.
6. the intelligent vision checkout gear that has binocular camera according to claim 1; It is characterized in that: said computer terminal wireless transmitting-receiving equipments (6) receives the command signal that sends from the detected person and sends and receive detected person's voice signal through blue tooth wireless communication through infrared radio communication or blue tooth wireless communication, and to carry out sound mutual with the detected person.
7. the intelligent vision checkout gear that has binocular camera according to claim 1 is characterized in that: the wireless human-computer interactive device (7) of said vision person's end to be detected is for having the wireless mouse of infrared radio ability to communicate and blue tooth wireless communication ability or the earphone-microphone with bluetooth communication ability.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201210008476 CN102525400B (en) | 2012-01-12 | 2012-01-12 | Intelligent eyesight detecting device with binocular cameras |
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| CN 201210008476 CN102525400B (en) | 2012-01-12 | 2012-01-12 | Intelligent eyesight detecting device with binocular cameras |
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| CN102525400B CN102525400B (en) | 2013-09-25 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103654707A (en) * | 2013-12-19 | 2014-03-26 | 宇龙计算机通信科技(深圳)有限公司 | Method and device for detecting eyesight |
| CN104042186A (en) * | 2014-06-25 | 2014-09-17 | 深圳市斯尔顿科技有限公司 | Self-service type eye comprehensive detection device |
| CN104814715A (en) * | 2015-05-13 | 2015-08-05 | 张仕郎 | Intelligent cloud optometry robot system |
| CN105147235A (en) * | 2015-07-08 | 2015-12-16 | 甄毅 | Vision test system |
| CN106073693A (en) * | 2016-06-25 | 2016-11-09 | 利辛县眼病防治所 | A kind of Intelligent eyesight test chart and detection method thereof |
| CN109157186A (en) * | 2018-10-25 | 2019-01-08 | 武汉目明乐视健康科技有限公司 | Unmanned self-service vision monitoring instrument |
| CN111344222A (en) * | 2017-07-21 | 2020-06-26 | 伊思健康有限公司 | Method of performing an eye examination test |
| CN111643047A (en) * | 2020-06-19 | 2020-09-11 | 徐州市康复医院(徐州市老年病医院) | Self-service ophthalmology eyesight detection device |
| CN112842249A (en) * | 2021-03-09 | 2021-05-28 | 京东方科技集团股份有限公司 | Vision detection method, device, equipment and storage medium |
| WO2021248671A1 (en) * | 2020-06-12 | 2021-12-16 | 海信视像科技股份有限公司 | Display device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103654707A (en) * | 2013-12-19 | 2014-03-26 | 宇龙计算机通信科技(深圳)有限公司 | Method and device for detecting eyesight |
| CN104042186A (en) * | 2014-06-25 | 2014-09-17 | 深圳市斯尔顿科技有限公司 | Self-service type eye comprehensive detection device |
| CN104814715A (en) * | 2015-05-13 | 2015-08-05 | 张仕郎 | Intelligent cloud optometry robot system |
| CN105147235A (en) * | 2015-07-08 | 2015-12-16 | 甄毅 | Vision test system |
| CN106073693A (en) * | 2016-06-25 | 2016-11-09 | 利辛县眼病防治所 | A kind of Intelligent eyesight test chart and detection method thereof |
| CN111344222A (en) * | 2017-07-21 | 2020-06-26 | 伊思健康有限公司 | Method of performing an eye examination test |
| CN109157186A (en) * | 2018-10-25 | 2019-01-08 | 武汉目明乐视健康科技有限公司 | Unmanned self-service vision monitoring instrument |
| WO2021248671A1 (en) * | 2020-06-12 | 2021-12-16 | 海信视像科技股份有限公司 | Display device |
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| CN111643047A (en) * | 2020-06-19 | 2020-09-11 | 徐州市康复医院(徐州市老年病医院) | Self-service ophthalmology eyesight detection device |
| CN112842249A (en) * | 2021-03-09 | 2021-05-28 | 京东方科技集团股份有限公司 | Vision detection method, device, equipment and storage medium |
| CN112842249B (en) * | 2021-03-09 | 2024-04-19 | 京东方科技集团股份有限公司 | Vision detection method, device, equipment and storage medium |
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| CN102525400B (en) | 2013-09-25 |
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