Color correction method and evaluation method for panorama camera

A technology for color correction and evaluation methods, applied in the field of image processing, which can solve the problems of color distortion and incomplete color reproduction.

Inactive Publication Date: 2018-09-28
CHANGSHA PANODUX TECH CO LTD
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Problems solved by technology

[0002] Image color is an important information that reflects the observed object. Due to the difference in lighting conditions, shooting angles and lens...

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  • Color correction method and evaluation method for panorama camera
  • Color correction method and evaluation method for panorama camera
  • Color correction method and evaluation method for panorama camera

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[0027] 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 combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.

[0028] Aiming at the color distortion problem of the panoramic camera, the present invention provides a color correction method and an evaluation method, which can well restore the color of the actual scene and effectively improve the image quality of the panoramic camera. Such as figure 1 As shown, the method includes the following steps:

[0029] S1: Acquire the original image containing the standard color card in the...

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Abstract

The invention provides a color correction method and evaluation method for a panorama camera and belongs to the technical field of image processing. The method comprises the steps of S1, collecting raw images comprising standard color cards in preset environments; S2, preprocessing the raw images; S3, extracting R, G and B mean parameters of the preprocessed images; S4, obtaining correction coefficients of reference images and observation images based on a polynomial regression correction model; S5, establishing color correction models of the reference images and the observation images and obtaining color correction coefficients; and S6, correcting camera images online through utilization of the trained color correction models and correction coefficients. According to the method, the constancy of the image can be effectively kept, colors of a practical scene can be effectively restored, and the image quality of the panorama camera is effectively improved.

Description

technical field [0001] The invention relates to the field of image processing, in particular to a color correction method and an evaluation method for a panoramic camera. Background technique [0002] Image color is important information reflecting the observed object. Due to differences in lighting conditions, shooting angles and lens modules, the image captured by the camera has color distortion compared with the actual scene image, and cannot fully reproduce the color of the real object. Color correction is a key technology for color restoration and consistent color presentation. At present, color correction technology has been applied in image processing fields such as medical images, license images, and photographic equipment. [0003] Aiming at the problem of color distortion, many methods of image color correction have been proposed one after another, mainly divided into traditional methods and deep learning methods. The traditional method collects fewer image sample...

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Application Information

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IPC IPC(8): H04N9/64H04N9/69H04N9/73
CPCH04N9/64H04N9/69H04N9/73
Inventor 刘娟许会陈捷李文军
Owner CHANGSHA PANODUX TECH CO LTD
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