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Self-adaptive recovery method of underwater image color

A technology of underwater image and restoration method, which is applied in the field of image processing, can solve the problems of underwater image color restoration that cannot be adjusted adaptively, and achieve high applicability

Pending Publication Date: 2022-07-08
HAINAN TROPICAL OCEAN UNIV
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Problems solved by technology

[0004] In view of this, the present invention provides an adaptive restoration method of underwater image color, which effectively solves the problem that the underwater image color restoration cannot be adaptively adjusted in the prior art

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  • Self-adaptive recovery method of underwater image color
  • Self-adaptive recovery method of underwater image color
  • Self-adaptive recovery method of underwater image color

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Embodiment Construction

[0037] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0038] The embodiment of the present invention discloses an adaptive restoration method for underwater image color, such as figure 1 shown, including the following steps:

[0039] S1. Extract red color blocks, green color blocks, blue color blocks and white color blocks from the GDK color card pictures taken at different depths under water, and perform statistical analysis on the mean values ​​of RGB components in the RGB color space ...

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Abstract

The invention discloses an underwater image color self-adaptive recovery method, which comprises the following steps of: taking an RGB component mean value of a white color block in a standard color card as a reference model, taking a difference value between the RGB component mean value of the white color block in an underwater color card image obtained at different depths and the reference model as a deviation, and taking a product of the deviation and a compensation coefficient as a compensation amount; and respectively compensating the RGB values of the underwater image, calculating the UICM value of the compensated image after each compensation, if the UICM value continues to be increased, iteratively performing the compensation process, otherwise, ending the compensation, and taking the image compensated for the last time as a result image of color recovery. According to the method, effective color compensation can be carried out on the underwater image to be recovered in different environments, the color recovery of the underwater image is further realized, and compared with an underwater image recovery method in the prior art, the method has higher applicability.

Description

technical field [0001] The invention relates to the technical field of image processing, and more particularly to an adaptive restoration method of underwater image color. Background technique [0002] The existing underwater image processing algorithms, whether it is image restoration based on physical models or image enhancement based on non-physical models, do not have applicability to all sea areas. Because the underwater environment of different sea areas around the world is very different, even the underwater environment of different depths and different ranges of the same water area will be very different. The image restoration based on the physical model needs to calculate various parameters of underwater absorption and scattering, and at the same time to measure the water depth and the distance between the camera and the object, the workload is huge and the calculation is very complicated. The parameters in different areas are also different, and neither can they b...

Claims

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Application Information

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IPC IPC(8): G06T5/00
CPCG06T2207/10024G06T2207/20004G06T2207/30168G06T5/00
Inventor 王连明张琳
Owner HAINAN TROPICAL OCEAN UNIV
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