CN204168399U - A kind of colour blindness colour vision servicing unit - Google Patents
A kind of colour blindness colour vision servicing unit Download PDFInfo
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- CN204168399U CN204168399U CN201420537795.5U CN201420537795U CN204168399U CN 204168399 U CN204168399 U CN 204168399U CN 201420537795 U CN201420537795 U CN 201420537795U CN 204168399 U CN204168399 U CN 204168399U
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Abstract
The utility model discloses a kind of colour blindness colour vision servicing unit, this device comprises video capture device, video reception circuit, high speed digital signal processor, test pattern stores and loading interface circuit, main memory circuit, video transtation mission circuit and display eyeglass, wherein high speed digital signal processor complete that video source data is selected, RGB tri-chrominance channel gain-adjusted and brightness, contrast adjustment.The utility model in achromate's obstacle look section by regulating the gain of the corresponding chrominance channel of the vision signal that collects, the colour vision information making patient correctly can pick out this look section to comprise.By Digital Video Processing, the utility model is that auxiliary achromate correct identification colors information provides a kind of feasible solution.
Description
Technical field
The utility model relates to digital video signal processing technology field, particularly for a kind of colour blindness colour vision servicing unit of achromate's video frequency signal processing.
Background technology
Human vision receptor has two kinds, and one is rod cell, and another kind is named cone cell.Rod cell is mainly distributed in outside retina, is responsible for receiving optical information under subdued light conditions, inoperative to colour vision; Cone cell is mainly distributed in foveal region of retina groove place, is responsible for receiving optical information in bright environment, is also the indispensable important component part of aware colors simultaneously.Cone cell type has three kinds: long wave type, and middle wave mode and shortwave type, be also called red type, green type and blue type (R type, G type and Type B).Light in often kind of cone cell perception one wavelength range, passes to brain and forms colourful colouring information.
Current most achromate shows as one or two kinds of cone cell dysfunctions, causes, to wherein a kind of or two kinds of colour recognition obstacles, being embodied in and owing responsive or excessively responsive to particular color information, such as common red-bindness and deuteranopia.According to power to colour recognition ability, colour blindness have achromatopsy and incomplete colour blindness point, incomplete colour blindness is anomalous trichromatism again, but society is referred to as colour blindness.These patient's parts are geneogenous, and another part is then posteriority.Due to illness achromatopsia acquisita obtains, and disease can be recovered well; For congenital patient, often heredity and obtain, cannot treat.The colour vision of current colour blindness is improved mainly through the method for optical correction.The method of optical correction is that achromate wears the glasses being coated with special film, weaken the light of the responsive look section of the mistake entering eyes to reach the object of rectification, and for deficient responsive look section, optical correction seems helpless.And the distinct of colour blindness, the achromatopsia glasses of merchandized handling cannot reach desirable rectification effect.
The development of wearing Display Technique makes this technology obtain great application space, and this is used for the civil nature of the technology of militarization originally, makes it obtain unprecedented expansion in fields such as display enhancing, virtual reality and stereo displays.In portability, low-power consumption and even aesthetic property etc., head-mounted display has unrivaled advantage.
Utility model content
The purpose of this utility model is deficiency for existing colour blindness colour vision antidote and provides a kind of colour vision servicing unit based on Digital Video Processing technology.The digital video signal that the optical signalling of catching changes into by this device is also decomposed into R, G, B tri-look digital channel by Digital Video Processing technology digital video signal, by adjusting separately the gain of each passage, increase or weaken the luminous intensity of each passage, and by the visual information after the display adjustment of display eyeglass.
The purpose of this utility model is achieved in that
A kind of colour blindness colour vision servicing unit, this device comprises:
Video capture device: export for gathering extraneous visual information and digital video signal form can being converted into;
Video reception circuit: be connected with video capture device, for receiving digital video signal, and be isolated into independently R, G, B tri-look digital channel export;
Test pattern stores and loading interface circuit: storage standards colour blindness detects figure, and picture signal is separated for independently R, G, B tri-the digital channel of look export;
High speed digital signal processor a: road stores with test pattern and loading interface circuit is connected, be responsible for receiving the reference colour blind check mapping signal exported from this interface circuit, schemed by this detection, the obstacle look section of location achromate, regulates the gain of corresponding chrominance channel; Another road is connected with video reception circuit, is responsible for receiving the digital video signal provided from video reception circuit; Finally by adjustment brightness and contrast, exporting achromate can correct identification colors information feel comfortable digital video clearly;
Main memory circuit: be connected with high speed digital signal processor, the mass data required for normal operation completing high speed digital signal processor stores and the work of reading;
Video transtation mission circuit: connect high speed digital signal processor, in order to receive the digital video that high speed digital signal processor exports;
Display eyeglass: connect video transtation mission circuit, be used for showing the digital video through overcorrection, thus achromate can correctly identify colour vision information.
Described high speed digital signal processor comprises video source and selects the test of control module, chromatogram and adjustment module, Memory control module, color space transformation modules A, brightness and contrast adjustment module and color space transformation module B, wherein, video source selects control module to be connected with adjustment module with chromatogram test by main memory circuit; Memory control module is connected with main memory circuit, for controlling storage and the reading of video data; Color space transformation modules A be connected to chromatogram test with adjustment module after, by R, G, B tri-chromatic number word Channel-shifted go out luminance channel; Brightness is connected with color space transformation modules A with contrast adjustment module, in order to regulate the brightness and contrast of video in luminance channel; Color space transformation module B is connected with contrast adjustment module with brightness, is responsible for converting back R, G, B tri-look digital channel from the luminance channel of digital video, and this three looks digital channel is exported from high speed digital signal processor.
Compared with existing colour blindness colour vision servicing unit, the beneficial effects of the utility model are:
(1) regulate chrominance channel gain according to Digital Video Processing technology, achromate is identified and owes responsive or cross responsive look segment information have good auxiliaring effect, be also applicable to the colour vision correcting of more achromate different with grade simultaneously;
(2), when achromate's colour blindness grade changes, can the chrominance channel gain of the utility model look gain-adjusted button flexible be passed through, make the colour vision of patient's colour blindness be able to correcting;
(3), by the adjustment of brightness and contrast's module, achromate can accurate identification colors under the condition of different light intensity degree better.
Accompanying drawing explanation
Fig. 1 is the utility model outline drawing;
Fig. 2 is the utility model circuit structure block diagram;
Fig. 3 is the utility model high speed digital signal processor internal structure schematic diagram;
Fig. 4 is the utility model operational flowchart.
Embodiment
Consult Fig. 1, the utility model is wear display system, wherein video capture device 1 gathers extraneous optical information and is converted into digital video signal for internal circuit process, display eyeglass 7 shows the digital video of correcting through colour vision, and achromate correctly identifies extraneous colouring information by watching this video.Video select button 8 of the present utility model is in order to select inner high speed digital signal processor to be connected to video reception circuit or test pattern stores and loading interface circuit; Gain-adjusted button TR, TG, TB are in order to regulate corresponding digital video chrominance channel gain; Brightness regulating button 9, contrast adjustment button 10 are in order to regulate digital video luminance and contrast.
Consult Fig. 2, the utility model is made up of video capture device 1, video reception circuit 2, high speed digital signal processor 3, test pattern storage and loading interface circuit 4, main memory circuit 5, video transtation mission circuit 6 and display eyeglass 7.Test pattern storage and loading interface circuit 4 can provide the colour blindness detection figure signal of standard, help type and the grade of location achromate, and pass through the adjustment of high speed digital video signal processor 3, make the colour vision of achromate be able to correcting; By the gain of the corresponding chrominance channel of insufficiency of accommodation look section, patient can after the colour vision information comprised of correct criterion of identification colour blindness detection figure, high speed digital signal processor 3 disconnects and test pattern stores and the connection of loading interface circuit 4, video reception circuit 2 is accessed, with video transtation mission circuit 6 with show eyeglass 7 and constitute the head-wearing display device that achromate can be assisted correctly to identify the colour vision information in the external world.The utility model can be applied in the field of the correct identification colors of script restriction patient, such as driving, chemical industry, viewing etc.
Consult Fig. 3, colour vision information adjustment rectification task of the present utility model is carried out in high speed digital signal processor, comprises with lower module in this processor:
A) video source selects control module: select the control of signal in video source under, and the signal selecting video reception circuit or test pattern storage and loading interface circuit to provide inputs to main memory circuit as video source;
B) memory control unit: connect main memory circuit, is responsible for data flow write and the reading of main memory circuit, ensures that this video data can be processed timely and effectively;
C) chromatogram test and adjustment module: be connected main memory circuit, be responsible for receiving the video data signal from main memory circuit, simultaneously by the gain of adjustment R passage, G passage or channel B, make achromate correctly can identify the colour vision information of the look section of originally owing responsive or excessively responsive;
D) color space transformation A(RGB->YC
bc
r) module: by RGB color space transformation to YC
bc
rthe color space obtains luminance channel Y, thus carries out the adjustment of brightness and contrast;
E) brightness, contrast adjustment module: the brightness and contrast regulating vision signal on Y passage, make achromate obtain more clear comfortable visual signal;
F) color space transformation B(YC
bc
r->RGB) module: again by YC
bc
rcolor space transformation returns the RGB color space, is exported by the digital video signal after adjustment process and input to video transtation mission circuit from high speed digital signal processor.
Consulting Fig. 4, is the utility model operational flowchart.The utility model will realize, to achromate's colour vision correcting, mainly completing following several process:
A) achromate wears head-mounted display, waits for opening device;
B), after device is opened, reference colour blind Detecting image is sent to test pattern by USB interface and stores and in loading interface circuit, after being transmitted, disconnect PC by PC;
C) video in high speed digital signal processor selects control module to be connected to test pattern storage and loading interface circuit, according to achromate to the Recognition feedback of the test pattern information that head-mounted display shows, accurately location achromate's classification and grade;
D) according to achromate's classification and grade, the chromatogram test in high speed digital signal processor and adjustment module adjust the gain of related colour passage, and making patient accurately can identify test pattern has the colour vision information that the look section of obstacle comprises originally;
E) video in high speed digital signal processor selects control module to disconnect and test pattern stores and the connection of loading interface circuit, the vision signal access high speed digital signal processor selecting video reception circuit to provide;
F) finally by the adjustment of brightness and contrast module, make that display eyeglass shows achromate and feel comfortable video information clearly.By the utility model, such achromate sees that the colour vision in the external world obtains correcting.
Embodiment
As everyone knows, colour blindness anomalous trichromatism patient, can not driving maneuver vehicle due to the cognitive disorders to traffic lights and part traffic sign.The utility model can assist colour blindness anomalous trichromatism patient identification colors, makes it also can driving maneuver vehicle the same as the crowd of normal colour vision.Such as, to the colour blindness anomalous trichromatism patient of redness identification, first the utility model is worn on head, and the utility model is connected to PC by USB data line, open the utility model, by PC, reference colour blind check mapping is sent to the utility model, after being transmitted, disconnecting PC and be connected with of the present utility model; Then, test pattern storage and loading interface circuit is selected to input high speed digital signal processor as video data source by video select button, display eyeglass shows reference colour blind check mapping, the gain of R passage is regulated, the information making achromate accurately can identify red color segment to comprise by gain-adjusted button TR; Then, high speed digital signal processor is disconnected by video select button and test pattern stores and the connection of loading interface circuit, video reception circuit is selected to input high speed digital signal processor as video data source, button is regulated to adjust suitable brightness and contrast by brightness and contrast, the video shown on viewing the utility model display eyeglass like this, the colour vision that red-bindness patient watches the external world just obtains correcting; Finally, by wearing this device, red-bindness patient correctly identifies the information of RED sector in traffic signals modulating signal and traffic sign, can normal driving motor vehicles.
Claims (2)
1. a colour blindness colour vision servicing unit, is characterized in that this device comprises:
Video capture device: export for gathering extraneous visual information and being translated into digital video signal;
Video reception circuit: be connected with video capture device, for receiving digital video signal, and be isolated into independently R, G, B tri-look digital channel export;
Test pattern stores and loading interface circuit: storage standards colour blindness detects figure, and picture signal is separated for independently R, G, B tri-the digital channel of look export;
High speed digital signal processor a: road stores with test pattern and loading interface circuit is connected, be responsible for receiving the reference colour blind check mapping signal exported from this interface circuit, schemed by this detection, the obstacle look section of location achromate, regulates the gain of corresponding chrominance channel; Another road is connected with video reception circuit, is responsible for receiving the digital video signal provided from video reception circuit; Finally by adjustment brightness and contrast, exporting achromate can correct identification colors information feel comfortable digital video clearly;
Main memory circuit: be connected with high speed digital signal processor, the mass data required for normal operation completing high speed digital signal processor stores and read work;
Video transtation mission circuit: connect high speed digital signal processor, in order to receive the digital video that high speed digital signal processor exports;
Display eyeglass: connect video transtation mission circuit, be used for showing the digital video through overcorrection, thus achromate can correctly identify colour vision information.
2. device according to claim 1, it is characterized in that described high speed digital signal processor comprises video source and selects the test of control module, chromatogram and adjustment module, Memory control module, color space transformation modules A, brightness and contrast adjustment module and color space transformation module B, wherein, video source selects control module to be connected with adjustment module with chromatogram test by main memory circuit; Memory control module is connected with main memory circuit, for controlling storage and the reading of video data; Color space transformation modules A be connected to chromatogram test with adjustment module after, by R, G, B tri-chromatic number word Channel-shifted go out luminance channel; Brightness is connected with color space transformation modules A with contrast adjustment module, in order to regulate the brightness and contrast of video in luminance channel; Color space transformation module B is connected with contrast adjustment module with brightness, is responsible for converting back R, G, B tri-look digital channel from the luminance channel of digital video, and this three looks digital channel is exported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537795.5U CN204168399U (en) | 2014-09-18 | 2014-09-18 | A kind of colour blindness colour vision servicing unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537795.5U CN204168399U (en) | 2014-09-18 | 2014-09-18 | A kind of colour blindness colour vision servicing unit |
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| CN204168399U true CN204168399U (en) | 2015-02-18 |
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| CN201420537795.5U Expired - Fee Related CN204168399U (en) | 2014-09-18 | 2014-09-18 | A kind of colour blindness colour vision servicing unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270588A (en) * | 2014-09-18 | 2015-01-07 | 华东师范大学 | Auxiliary color blindness color vision device |
| CN105718067A (en) * | 2015-12-02 | 2016-06-29 | 中华电信股份有限公司 | Augmented reality system and method capable of assisting color discrimination |
| WO2018124736A1 (en) | 2016-12-27 | 2018-07-05 | Samsung Electronics Co., Ltd. | Method and apparatus for modifying display settings in virtual/augmented reality |
-
2014
- 2014-09-18 CN CN201420537795.5U patent/CN204168399U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270588A (en) * | 2014-09-18 | 2015-01-07 | 华东师范大学 | Auxiliary color blindness color vision device |
| CN105718067A (en) * | 2015-12-02 | 2016-06-29 | 中华电信股份有限公司 | Augmented reality system and method capable of assisting color discrimination |
| CN105718067B (en) * | 2015-12-02 | 2020-07-31 | 中华电信股份有限公司 | Augmented reality system and method capable of assisting color discrimination |
| WO2018124736A1 (en) | 2016-12-27 | 2018-07-05 | Samsung Electronics Co., Ltd. | Method and apparatus for modifying display settings in virtual/augmented reality |
| EP3549110A4 (en) * | 2016-12-27 | 2019-11-20 | Samsung Electronics Co., Ltd. | Method and apparatus for modifying display settings in virtual/augmented reality |
| US10885676B2 (en) | 2016-12-27 | 2021-01-05 | Samsung Electronics Co., Ltd. | Method and apparatus for modifying display settings in virtual/augmented reality |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150218 Termination date: 20150918 |
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| EXPY | Termination of patent right or utility model |