|Table of Contents|

Research on Image Defog Algorithm Based on Fusion Homomorphic Filtering and Wavelet Transform
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《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

Issue:
2019年01期
Page:
66-70
Research Field:
测控技术与通信工程
Publishing date:

Info

Title:
Research on Image Defog Algorithm Based on Fusion Homomorphic Filtering and Wavelet Transform
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Author(s):
 DONG Jingwei12ZHAO Chunli12HAI Bo12
 (1.School of Measurement and Control Technology and Communications Engineering,Harbin University of Science and Technology,Harbin 150080,China;〖JP〗
2.Higher Educational Key Laboratory for Measuring and Control Technology and Instrumentations of Heilongjiang Province,Harbin Uinversity of Science and Technology, Harbin 150080, China)
Keywords:
 Keywords:homomorphic filtering wavelet transform image enhancement contrast
PACS:
TP391
DOI:
1015938/jjhust201901011
Abstract:
 Abstract:Aiming at the problem of severe degradation of fog weather image and low contrast, an improved algorithm is proposed From the point of view of timefrequency analysis, the Fourier transform in the homomorphic filtering algorithm is replaced by the fast wavelet transform, and then the wavelet coefficients are processed by the improved filter in the transform domain to achieve the enhanced fog image purpose The experimental results show that the improved algorithm can effectively correct the fog image illumination, keep the original information of the image is not lost, enhance the contrast of the image, and make the processed image more visible

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Last Update: 2019-03-26