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Color correction method and device and storage medium

A color correction and color technology, which is applied in the field of image processing, can solve the problems of image color cast deterioration, color image distortion, serious problems, etc., and achieve the effect of simple applicability and improved correction efficiency

Pending Publication Date: 2022-05-10
DONGGUAN POLYTECHNIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Digital images usually use RBG color mode, and digital images need to be converted to CMYK color mode when digital images are printed in color through printing equipment, which will further aggravate the color cast problem of the image and make the color image printed in color distorted more serious

Method used

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  • Color correction method and device and storage medium
  • Color correction method and device and storage medium

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Embodiment Construction

[0038] This part will describe the specific embodiment of the present invention in detail, and the preferred embodiment of the present invention is shown in the accompanying drawings. Each technical feature and overall technical solution of the invention, but it should not be understood as a limitation on the protection scope of the present invention.

[0039] In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

[0040] I...

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Abstract

The invention discloses a color correction method and device and a storage medium. The method comprises the steps of obtaining an original image; performing color mode conversion on the original image to obtain a conversion image corresponding to the CMYK color mode; performing color value statistics on all pixel points of the converted image to obtain color average values of a C channel, an M channel and a Y channel; calculating the color cast degree of the converted image according to the color average values of the C channel, the M channel and the Y channel; performing color correction on the converted image according to the color cast degree to obtain a corrected image; the method has the advantages of being simple and high in applicability, the correction efficiency can be improved, and the corrected image obtained after color correction is more natural.

Description

technical field [0001] The invention relates to the field of image processing, in particular to a color correction method, device and storage medium. Background technique [0002] In the process of taking images by digital imaging equipment, it is affected by many factors such as the surface color of the object to be photographed, the external lighting conditions, the physical characteristics of the photosensitive components, etc. There is an error between the color of the captured image and the real color of the object to be photographed, which is called For color cast. Digital images usually use RBG color mode, and digital images need to be converted to CMYK color mode when digital images are printed in color by printing equipment, which will further aggravate the color cast problem of the image and make the color image printed in color distorted more serious. Contents of the invention [0003] The object of the present invention is to solve at least one of the technic...

Claims

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Application Information

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IPC IPC(8): G06T5/00G06T7/90
CPCG06T7/90G06T5/90G06T5/70
Inventor 王旭红李娜陈肖敏邱赞业杨国伟彭慧玲
Owner DONGGUAN POLYTECHNIC