Image color correcting method and device

A technology of color correction and color correction, which is applied in the direction of image communication, color TV, color TV parts, etc., can solve the problems of color image difference, incomplete color reproduction, etc., to eliminate the difference in color perception, solve color distortion, The effect of improving quality

Active Publication Date: 2014-07-02
北京明睿长城科技有限公司
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Problems solved by technology

Due to different lighting conditions, shooting angles and image equipment, there are obvious differences in the obtained color images, and the color of the real object cannot be fully reproduced

Method used

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  • Image color correcting method and device
  • Image color correcting method and device
  • Image color correcting method and device

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Embodiment Construction

[0016] 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 specific embodiments and with reference to the accompanying drawings.

[0017] It should be noted that, for the image color correction method involved in the present invention, its data input can be "images that have been radiation corrected", that is, image processing methods such as dark current correction, flat field, and working mode normalization have been carried out. The preprocessed image, in the specific implementation, uses the ground test image. Since the above processing method is an image processing method commonly used by those skilled in the art, it will not be repeated here. The present invention includes but not limited to the processed image, if it is an image without preprocessing, the above processing can be realized according to the prior art.

[0018] figure 1 A flow c...

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Abstract

The invention discloses an image color correcting method and device. The method comprises the steps that 1. images to be corrected are subjected to preprocessing; 2. a camera color correcting model is established, and a correcting coefficient is obtained; and 3. the obtained color correcting coefficient is used for carrying out color correcting on the preprocessed images to be corrected. The problem of camera original image color distortion can be solved, the quality of moon surface colored image data is improved, difference on color sensing of different human eyes under different lighting conditions is removed, the inherent colors of the objects on the surface of the moon can be correctly reflected, and colored images with the consistent visual sensing as human eyes are obtained.

Description

technical field [0001] The invention relates to the field of space detector image processing and application, in particular to an image color correction method and device. Background technique [0002] Image color is an important information that reflects the observed object, and the color presented by the image is also affected by the characteristics of the light source and the image acquisition device. Due to the difference in lighting conditions, shooting angles and imaging equipment, there are obvious differences in the color images obtained, and the color of the real object cannot be fully reproduced. [0003] In the Chang'e-3 mission of my country's lunar exploration project, a color camera is equipped to perform color imaging of objects such as landers, patrols, national flags, and the earth on the lunar surface. Since we cannot see the colors of these objects in the environment of the lunar surface, we need to consider how to eliminate the above-mentioned influencin...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N9/64H04N5/232
Inventor 刘建军李春来任鑫王奋飞
Owner 北京明睿长城科技有限公司
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