Journal of Information Processing Systems

Korea Information Processing Society (한국정보처리학회)
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Image Dehazing Enhancement Algorithm Based on Mean Guided Filtering

  • Weimin Zhou (College of Information Engineering, Zhejiang University of Technology)
  • Received : 2022.05.30
  • Accepted : 2023.01.01
  • Published : 2023.08.31
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Abstract

To improve the effect of image restoration and solve the image detail loss, an image dehazing enhancement algorithm based on mean guided filtering is proposed. The superpixel calculation method is used to pre-segment the original foggy image to obtain different sub-regions. The Ncut algorithm is used to segment the original image, and it outputs the segmented image until there is no more region merging in the image. By means of the mean-guided filtering method, the minimum value is selected as the value of the current pixel point in the local small block of the dark image, and the dark primary color image is obtained, and its transmittance is calculated to obtain the image edge detection result. According to the prior law of dark channel, a classic image dehazing enhancement model is established, and the model is combined with a median filter with low computational complexity to denoise the image in real time and maintain the jump of the mutation area to achieve image dehazing enhancement. The experimental results show that the image dehazing and enhancement effect of the proposed algorithm has obvious advantages, can retain a large amount of image detail information, and the values of information entropy, peak signal-to-noise ratio, and structural similarity are high. The research innovatively combines a variety of methods to achieve image dehazing and improve the quality effect. Through segmentation, filtering, denoising and other operations, the image quality is effectively improved, which provides an important reference for the improvement of image processing technology.

Keywords

Acknowledgement

The research is supported by the Taizhou Science and Technology Project (No. 2003gy29), and the Zhejiang Visiting Engineer School-Enterprise Cooperation Project (No. FG2020224).

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