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Image defogging method, terminal and computer storage medium

An image and terminal technology, applied in the terminal field, can solve the problems of low processing efficiency, long processing time of the physical model dehazing method, and inability to improve the quality of foggy images.

Pending Publication Date: 2020-09-04
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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Problems solved by technology

[0003] However, the non-physical model dehazing method can only improve the visual effect, but cannot improve the quality of the fogged image, and may even lose some information of the image; the physical model dehazing method takes a long time to process and has low processing efficiency
It can be seen that the existing image defogging methods are still not mature enough to take into account the effect and efficiency of defogging processing

Method used

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  • Image defogging method, terminal and computer storage medium
  • Image defogging method, terminal and computer storage medium
  • Image defogging method, terminal and computer storage medium

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Embodiment Construction

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. It should be understood that the specific embodiments described here are only used to explain the related application, not to limit the application. It should also be noted that, for the convenience of description, only the parts related to the relevant application are shown in the drawings.

[0033] Due to the influence of light refraction, reflection, self-absorption and self-imaging by floating water droplets in the atmosphere, the contrast of captured images in foggy days is low, causing color distortion, and even causing the machine vision system to fail to work properly. Under severe weather conditions with low visibility due to fog and haze, the collected pictures are affected by suspended particles in the atmosphere (such as fog, haze, etc.), resulting in poor picture ...

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Abstract

The embodiment of the invention discloses an image defogging method, a terminal and a computer storage medium, and the image defogging method comprises the steps: determining the size parameter of a to-be-processed image after the to-be-processed image is judged to be a fogged image; determining a preprocessing strategy corresponding to the to-be-processed image according to the size parameter, wherein the preprocessing strategy is used for limiting the image size; if the preprocessing strategy is to divide the to-be-processed image, dividing the to-be-processed image to obtain sub-images corresponding to the to-be-processed image; defogging the sub-images according to the image defogging model to obtain defogged sub-images corresponding to the sub-images; and splicing the defogged sub-images according to the image splicing model to obtain a defogged image corresponding to the to-be-processed image.

Description

technical field [0001] The embodiments of the present application relate to the technical field of terminals, and in particular, to an image defogging method, a terminal, and a computer storage medium. Background technique [0002] With the development of computer vision and its application in the field of traffic and security monitoring, image defogging has become an important research field of computer vision. At present, image defogging methods mainly include non-physical model defogging methods and physical model defogging methods. Among them, the non-physical model defogging method essentially enhances the contrast and color of the image; the physical model defogging method uses the physical scattering law of the atmosphere to establish an image restoration model. [0003] However, the non-physical model dehazing method can only improve the visual effect, but cannot improve the quality of the fogged image, and may even lose some information of the image; the physical m...

Claims

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Application Information

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IPC IPC(8): G06T5/00G06T3/40G06N3/04
CPCG06T3/4038G06T2207/20081G06T2207/20084G06T2207/10016G06N3/045G06T5/73
Inventor 崔永明
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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