Abnormal color vision test chart synthesis method based on false homochromatic search

A synthesis method and test chart technology, applied in the field of abnormal color vision test chart synthesis, can solve problems such as single, unable to fundamentally solve images, and cannot be generated randomly

Active Publication Date: 2020-07-17
AIR FORCE UNIV PLA
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Problems solved by technology

This detection method consists of two stages, the first stage is mainly to randomly display 21 fixed color blindness detection pictures to test the testees, its shortcoming is still rely

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  • Abnormal color vision test chart synthesis method based on false homochromatic search
  • Abnormal color vision test chart synthesis method based on false homochromatic search
  • Abnormal color vision test chart synthesis method based on false homochromatic search

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Embodiment Construction

[0055] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0056] In view of the shortcomings of the existing color vision inspection technology, as well as the problems of the single pattern of the existing abnormal color vision test chart and the non-specific color matching scheme, the present invention proposes a method for making an abnormal color vision test chart based on false same-color search. The technical idea is to use the existing abnormal color vision simulation algorithm to set parameters in the perceptual color space to search for the false same-color pair combination for a specific type of abnormal color vision; then select the pattern and use the false same-color pair to fill the foreground and background colors , to generate a binarized unit test chart; finally, multiple binarized unit test charts are grouped to form a test chart.

[0057] Concrete steps of the present invention are as figur...

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Abstract

The invention relates to an abnormal color vision test chart synthesis method based on false homochromatic search. The method mainly comprises the following steps: searching a false homochromatic pair; selecting a false homochromatic pair; generating a test image; the invention aims at a test pattern for testing the color vision condition of a subject in an abnormal color vision test , selects a false homochromatic pair in a color space by menas of the abnormal visual simulation algorithm, carries out binarization color filling on the abnormal vision test pattern, so that the abnormal color vision test pattern which is diverse in content, capable of being randomly repeated and specific in abnormal color vision type is generated, and compared with an existing manual drawing method or a computer-assisted semi-manual drawing method, the method is flexible, random, simple and controllable, and has specificity for different abnormal color visions.

Description

technical field [0001] The invention belongs to the technical field of digital image generation, and in particular relates to a method for synthesizing abnormal color vision test charts. Background technique [0002] With the development of social economy and the continuous advancement of science and technology, the division of professional technology is becoming more and more refined, people are more concerned about the health status of individual eyesight and vision, and many professions have higher requirements for color discrimination ability. Some industries and departments have more specific requirements for the eyesight and vision of their employees. For example, there are clear regulations on vision and color vision in the fields of air force pilot medical examination and military enlistment medical examination. The application of color-blind students has also been restricted to a certain extent. Foreign countries have strict requirements on the visual and color vis...

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Application Information

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IPC IPC(8): G06T11/00G06T11/40G06T7/90
CPCG06T11/001G06T11/40G06T7/90G06T2207/10024G06T2207/20221
Inventor 郭斌全许华
Owner AIR FORCE UNIV PLA
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