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Color recognition method and system

A color recognition and color technology, applied in image data processing, instruments, calculations, etc., can solve problems such as high cost, poor accuracy, and poor color data stability, and achieve low cost, high accuracy, and good data stability.

Active Publication Date: 2017-05-17
SHENZHEN WAYHO TECH
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Problems solved by technology

[0004] The purpose of the present invention is to provide a color recognition method and system, aiming to solve the problem that the existing color recognition method makes the color in the search and recognition process due to the influence of factors such as changes in the lighting environment, differences in sensor responses, and different sensor image algorithms. There are problems of poor data stability, poor accuracy and high cost

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] In the description of the present invention, it should be understood that the terms "first" and "second" are used for description purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0026] like figure 1 As shown, one embodiment of the present invention prov...

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Abstract

The invention belongs to the technical field of machine vision and provides a color recognition method and system. The method is characterized in that the normalization color data of a target pixel point relative to a reference background is calculated, the correlation between the color value of the target pixel point and the color value of each standard sample in multiple pre-stored standard samples is calculated according to the normalization color data of the target pixel point and the normalization color data of the multiple pre-stored standard samples, and selecting the color value, with the highest correlation with the color value of the target pixel point, of the standard sample to serve as the real color value of the target pixel point. By the color recognition method, the color value of a target substance can be recognized in a good data stability, high accuracy and low cost manner.

Description

technical field [0001] The invention belongs to the technical field of machine vision, and in particular relates to a color recognition method and system. Background technique [0002] Color recognition is an extremely important link in industrial and agricultural production. Color is essentially the integral effect of material radiation or reflection spectral distribution and human eyes or photoelectric sensors. The color recognition of the human eye not only depends on the ambient illuminance, but is also related to photochemical neural processes and psychological responses. It is usually difficult to describe the color quantitatively and standardly. The color recognition of photoelectric sensors is not only dependent on the lighting environment, but also related to the response of the sensor and the sensor image algorithm. Therefore, the stability of the color data obtained in different lighting environments or in different color recognition systems is poor, and it may e...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/90
CPCG06T7/90
Inventor 罗飞肖旭斌余江华
Owner SHENZHEN WAYHO TECH
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