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Image defogging method and system

An image and base image technology, applied in the field of image dehazing and systems, can solve the problems of inability to meet real-time requirements and poor dehazing effect, and achieve the effect of meeting real-time requirements and good dehazing effect.

Active Publication Date: 2015-11-04
HARBIN SUPER RESOLUTION FX TECH CO LTD
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Problems solved by technology

[0003] At present, there are many algorithms for defogging the fogged images in the prior art. Although this defogging method has advantages, it also has disadvantages. Some have good real-time performance, but the defogging effect is not good. The effect is good, but the real-time performance cannot meet the requirements

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  • Image defogging method and system
  • Image defogging method and system

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Embodiment Construction

[0041] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0042] Such as figure 1 Shown, a kind of image defogging method is characterized in that, comprises the following steps:

[0043] Step 1, input the original image, that is, a color foggy image;

[0044] Step 2, extracting the base image and detail layer of the colored foggy image respectively;

[0045] Step 3, acquiring the image data of the R, G, and B channels of the base image;

[0046] Step 4, obtaining the global atmospheric light and transmittance of each channel of the base image respectively;

[0047] The global atmospheric light obtained in the step 4 is calculated according to the following method: obtain the dark channel data of each channel, and compare the dark channel data of each channel with the t...

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Abstract

The invention relates to an image defogging method and system. The method comprises the following steps: inputting an original image, namely a colored fogged image; extracting a basic image and a detail layer of the colored fogged image, respectively; acquiring image data of three channels R, G and B of the basic image; solving the global airglow and transmissivity of each of the channels of the basic image, respectively; recovering a fogless image of each of the channels according to the global airglow and transmissivity of each of the channels of the basic image so as to acquire a fogless basic image; adding detail layer information into the fogless basic image; and carrying out smooth treatment as well as brightness and contrast enhancing treatment on the fogless basic image with the detail layer information to obtain a fogless original image. The method and system provided by the invention can be used for satisfying a real-time requirement and achieving a good defogging effect.

Description

technical field [0001] The invention relates to an image defogging method and system. Background technique [0002] In real life, we often encounter foggy weather, and the foggy pictures taken in foggy weather cannot be used normally due to low visibility, so there are many dehazing algorithms. [0003] At present, there are many algorithms for defogging the fogged images in the prior art. Although this defogging method has advantages, it also has disadvantages. Some have good real-time performance, but the defogging effect is not good. The effect is good, but the real-time performance cannot meet the requirements. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide an image defogging method and system, which can not only meet the real-time requirement but also achieve a good defogging effect. [0005] The technical solution of the present invention to solve the above-mentioned technical problems is as follows: a m...

Claims

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Application Information

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IPC IPC(8): G06T5/00
Inventor 丘璇
Owner HARBIN SUPER RESOLUTION FX TECH CO LTD
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