Auxiliary color blindness color vision device

An auxiliary device and technology for color blindness, applied in color TV, color signal processing circuit, components of color TV, etc., can solve the problems of color blind glasses unable to achieve corrective effect, powerless optical correction, etc.

Inactive Publication Date: 2015-01-07
EAST CHINA NORMAL UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

The method of optical correction is that color-blind patients wear glasses coated with a special film to reduce the light entering the eyes of the hypersensitive color segment to achieve the purpose of correction,...

Method used

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  • Auxiliary color blindness color vision device
  • Auxiliary color blindness color vision device
  • Auxiliary color blindness color vision device

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Embodiment

[0041] As we all know, patients with color blindness and color weakness cannot drive motor vehicles due to their recognition barriers to traffic lights and some traffic signs. The invention can assist color-blind and achromatopic patients to recognize colors, so that they can also drive motor vehicles like people with normal color vision. For example, for color-blind and color-deficient patients who recognize red, first wear the present invention on the head, and connect the present invention to a PC through a USB data cable, start the present invention, and transmit the standard color-blindness detection map to the present invention through the PC, and transmit After finishing, disconnect the PC machine and the connection of the present invention; Then, select the test image storage and loading interface circuit as the video data source input high-speed digital signal processor by the video selection button, display the standard color-blindness detection figure on the disp...

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Abstract

The invention discloses an auxiliary color blindness color vision device which comprises a video capturing device, a video receiving circuit, a high-speed digital signal processor, a test image storage and loading interface circuit, a memory circuit, a video sending circuit and a display lens. The high-speed digital signal processor completes video source data selection, RGB three-color channel gain adjustment and brightness and contrast adjustment. According to the auxiliary color blindness color vision device, the gain of the color channels corresponding to the collected video signals is adjusted on the achromate barrier color segment, so that the achromate can distinguish the color visual information included in the color segment correctly; through digital video processing, a feasible solution is provided for assisting the achromate in distinguishing the color information correctly.

Description

technical field [0001] The invention relates to the technical field of digital video signal processing, in particular to a color-blind color vision auxiliary device for video signal processing of color-blind patients. Background technique [0002] There are two types of human visual receptors, one called rod cells and the other called cone cells. Rod cells are mainly distributed on the outer side of the retina, responsible for receiving light information in dark light conditions, and have no effect on color vision; cone cells are mainly distributed in the central groove of the retina, responsible for receiving light information in bright environments, and are also responsible for perception An integral and important part of color. There are three types of cones: long-wave, medium-wave, and short-wave, also known as red, green, and blue (type R, G, and B). Each type of cone perceives light within a certain wavelength range and transmits it to the brain to form rich and colo...

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Application Information

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IPC IPC(8): H04N5/57H04N9/64
Inventor 刘一清方挺
Owner EAST CHINA NORMAL UNIV
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