CN102525400B - Intelligent eyesight detecting device with binocular cameras - Google Patents
Intelligent eyesight detecting device with binocular cameras Download PDFInfo
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- CN102525400B CN102525400B CN 201210008476 CN201210008476A CN102525400B CN 102525400 B CN102525400 B CN 102525400B CN 201210008476 CN201210008476 CN 201210008476 CN 201210008476 A CN201210008476 A CN 201210008476A CN 102525400 B CN102525400 B CN 102525400B
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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 computerend, 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 the 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.At 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 class 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 provide a kind of intelligent vision checkout gear that has binocular camera, 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 by 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, comprise binocular camera, the visual acuity chart display device, computer, image pick-up card, the computer terminal wireless transmitting-receiving equipments, the wireless human-computer interactive device of detected vision person's end, card reader and detected person ID card, be characterized in: two video cameras are placed on the image plane, two focal length of camera are identical, and be connected with computer by image pick-up card, computer is connected with the visual acuity chart display device, being used for binocular camera takes pictures to detected vision person, by the image pick-up card images acquired, eyes position in human face region in the detected image and the human face region goes out detected person's eyes center to the distance of the detection character display screen of visual acuity chart display device by 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 detected vision person's end.
Computer also is connected with card reader.Be inserted with detected person ID card in the card reader.
Computer is PC or notebook type portable machine or the embedded calculating treatmenting equipment that process software is installed.
Image pick-up card is the hardware integrated circuit board that is made of the DSP digital signal processor; Its input is connected with binocular camera by 1394 lines or AV line, is used for the picture signal decoding processing that binocular camera is gathered, and passes to computer by bus.
The computer terminal wireless transmitting-receiving equipments receives the command signal that sends from the detected person by infrared radio communication or blue tooth wireless communication and by blue tooth wireless communication sending/receiving detected person voice signal, and to carry out sound mutual with the detected person.
The wireless human-computer interactive device of detected vision person's end 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 the distance between binocular camera measurement detected person and the visual acuity chart display device, shows according to the size of this distance adjustment display device vision detection character and in display device.The headset prompting detected person that computer is worn to the detected person by blue-tooth radio equipment emission voice signal after showing prepares to receive and detects.Detect the selection of answer after the detected person accepts to detect with wireless mouse, circulation is carried out, until finishing detection.
This shows that checkout gear of the present invention can accurately detect vision easily.
Description of drawings
Fig. 1 is 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
The invention will be further described below in conjunction with accompanying drawing and embodiment.
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, detected vision person's end.
Binocular camera 1 adopts two industrial analog or digital video cameras, these two video cameras require to carry out special placement in the position, be that the plane of delineation (claiming projection plane again) of imaging 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 by 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 detected vision person's end.
Binocular camera 1 couple of detected vision person 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, determined that the detection character of size shows to visual acuity chart display device 2 by bus transfer.
Visual acuity chart display device 2 can be the display that is independent of computer, also can be the display supporting with computer, 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.
Image pick-up card 4 refers to 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 by 1394 lines or AV line, and the picture signal decoding that binocular camera 1 is gathered is handled, and pass to computer 3 by 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 sending/receiving voice signal, and to carry out sound mutual with the detected person.
The wireless human-computer interactive device 7 of detected vision person's end 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 the PC, notebook type portable machine of traditional sense and other have similar computing capability, the embedded processing equipment of process software is installed.
Use of the present invention:
(1) checkout gear is started shooting and is finished preparation work
The checkout gear start is powered on, and card reader 8 is read detected person ID card 9 information, and the detected vision person of wireless headset transmission voice signal prompting that checkout gear is worn to detected vision person by blue tooth wireless communication equipment prepares to accept left vision and detects;
(2) detected vision person carries out man-machine interaction by 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 as shown in Figure 2;
(3) 1 couple of detected person of computer 3 control binocular cameras takes pictures, and in the image of gathering, determine 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 human eye apart from the distance of visual acuity chart display device in the machine vision; According to this distance that calculates, determine 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) detected vision person according to the observation to the 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 have the wireless mouse of infrared communication ability and checkout gear by use to carry out man-machine interaction and finish, and this process display device shows shown in accompanying drawing 3 lower middle portion.
(5) selection made according to the detected person of computer 3 determines the detection of next step vision grade and the demonstration of respective symbols, and circulation is carried out detecting until finishing left eye;
(6) wireless headset worn to detected vision person by blue tooth wireless communication equipment of checkout gear sends the detected vision person of voice signal prompting and prepares to accept vision and detect, and finishes right vision according to step and detects.
(7) after the end, the wireless headset that checkout gear is worn to detected vision person by blue tooth wireless communication equipment sends the detected vision person of voice signal prompting and has finished the vision detection.Simultaneously, testing result is saved in detected person's the ID card 9 by serial-port card reader 8.
The present invention takes pictures to the detected person by binocular camera and obtains image information, determine 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 distance between eye center and the visual acuity chart (or visual acuity chart display device), determine 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, comprise binocular camera (1), visual acuity chart display device (2), computer (3), image pick-up card (4), computer terminal wireless transmitting-receiving equipments (6), the wireless human-computer interactive device (7) of detected vision person's end, card reader (8), 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) by image pick-up card (4), computer (3) is connected with visual acuity chart display device (2), being used for binocular camera (1) takes pictures to detected vision person, by image pick-up card (4) images acquired, eyes position in human face region in the detected image and the human face region calculates detected vision person's eyes center to the distance of the detection character display screen of visual acuity chart display device by computer (3); 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 detected vision person's end.
2. the intelligent vision checkout gear that has binocular camera according to claim 1, it is characterized in that: described 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 vision person ID card (9) in the described card reader (8).
4. the intelligent vision checkout gear that has binocular camera according to claim 1 is characterized in that: described computer (3) is for PC or notebook type portable machine or the embedded calculating treatmenting equipment of process software is installed.
5. the intelligent vision checkout gear that has binocular camera according to claim 1, it is characterized in that: described image pick-up card (4) is the hardware integrated circuit board that is made of the DSP digital signal processor; Its input is connected with binocular camera (1) by 1394 lines or AV line, is used for the picture signal decoding processing that binocular camera (1) is gathered, and passes to computer (3) by bus.
6. the intelligent vision checkout gear that has binocular camera according to claim 1, it is characterized in that: described computer terminal wireless transmitting-receiving equipments (6) receives the command signal that sends from detected vision person and sends and receive detected vision person's voice signal by blue tooth wireless communication by infrared radio communication or blue tooth wireless communication, and to carry out sound mutual with detected vision 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 described detected vision person's end 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.
Priority Applications (1)
| 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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| CN102525400A CN102525400A (en) | 2012-07-04 |
| CN102525400B true CN102525400B (en) | 2013-09-25 |
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Families Citing this family (8)
| 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 |
| NL2019319B1 (en) * | 2017-07-21 | 2019-02-06 | Easee Health B V | A 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 |
| CN113807375A (en) * | 2020-06-12 | 2021-12-17 | 海信视像科技股份有限公司 | Display device |
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| CN1853555A (en) * | 2005-04-20 | 2006-11-01 | 赵进捷 | Vision checking and calibrating method |
| CN101308018A (en) * | 2008-05-30 | 2008-11-19 | 汤一平 | Stereo vision measuring apparatus based on binocular omnidirectional visual sense sensor |
| CN101533327A (en) * | 2008-03-13 | 2009-09-16 | 英业达股份有限公司 | Window adjusting interface and adjusting method thereof |
| CN202437087U (en) * | 2012-01-12 | 2012-09-19 | 上海理工大学 | Intelligent vision detection device with binocular cameras |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1853555A (en) * | 2005-04-20 | 2006-11-01 | 赵进捷 | Vision checking and calibrating method |
| CN101533327A (en) * | 2008-03-13 | 2009-09-16 | 英业达股份有限公司 | Window adjusting interface and adjusting method thereof |
| CN101308018A (en) * | 2008-05-30 | 2008-11-19 | 汤一平 | Stereo vision measuring apparatus based on binocular omnidirectional visual sense sensor |
| CN202437087U (en) * | 2012-01-12 | 2012-09-19 | 上海理工大学 | Intelligent vision detection device with binocular cameras |
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