Laser & Optoelectronics Progress, Volume. 58, Issue 20, 2010018(2021)
Iterative Fusion Defogging Algorithm Based on Wavelet Transform
Figures & Tables(8)
Fig. 2. Contrast image of MSR defogging results and brightness enhancement results after MSR defogging. (a) Original image; (b) MSR defogging image; (c) MSR defogging image after enhancement
Fig. 3. Contrast images of luminance component V1, V2 and fusion component V'. (a) Luminance component V1; (b) luminance component V2; (c) fusion luminance component V'
Fig. 4. Contrast images of primary fusion and secondary fusion. (a) Original image; (b) first fusion of the defogging image; (c) second fusion of the defogging image
Fig. 6. Comparison of experimental results. (a) Original image; (b) algorithm in Ref.[10]; (c) algorithm in Ref.[13]; (d) algorithm in Ref.[14]; (e) algorithm in Ref.[7]; (f) proposed algorithm
Table 1. Performance table of common wavelet function
View tableTable 1. Performance table of common wavelet function
Wavelet function Haar Daubechies Biorthogonal Coiflets Symlets Form of expression Haar dbN Bior. coifN symN Orthogonality Yes Yes No Yes Yes Double orthogonality Yes Yes Yes Yes Yes Tight branch collection of sex Yes Yes Yes Yes Yes Filter length 2 2N Max(2Nr, 2Nd)+2 6N 2N Symmetry Dissymmetry Approximate symmetry Approximate symmetry Symmetry Symmetry
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Chunmiao Wei, Yan Xu, Yuan Li. Iterative Fusion Defogging Algorithm Based on Wavelet Transform[J]. Laser & Optoelectronics Progress, 2021, 58(20): 2010018
Paper Information
Category: Image Processing
Received: Aug. 13, 2020
Accepted: Sep. 30, 2020
Published Online: Oct. 13, 2021
The Author Email: Xu Yan (xuyan@mail.lzjtu.cn)
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