Adaptive Wiener filtering for image restoration using wavelet package based on the edge detection

Jian Zhang; Guo-qiang Ni; Ming-qi Liu; Xiaodi Cui; Xin-ping Liu

doi:10.1117/12.576802

8 February 2005 Adaptive Wiener filtering for image restoration using wavelet package based on the edge detection

Jian Zhang, Guo-qiang Ni, Ming-qi Liu, Xiaodi Cui, Xin-ping Liu

Proceedings Volume 5637, Electronic Imaging and Multimedia Technology IV; (2005) https://doi.org/10.1117/12.576802
Event: Photonics Asia, 2004, Beijing, China

Abstract

In order to utilize the multiscale characteristics of wavelet transform more sufficiently, a new adaptive image restoration method using wavelet packets based on the edge detection is presented. The method allows for the decomposition of image signal with various frequencies in the subband domain. The proposed filters in the paper explicitly incorporate both within and between subband relations of the decomposed image. The adaptive filter is used in the approach for considering local adaptation in each subband of the best basis. In order to keep the high frequency information of the image, the adaptive edge detection is presented in the paper. Experimental results, which could test the proposed method, are got. It is found that the proposed method show not only great noise reduction in the processed images but also significant improvement of subjective image quality over the conventional image restoration methods.

Citation Download Citation

Jian Zhang, Guo-qiang Ni, Ming-qi Liu, Xiaodi Cui, and Xin-ping Liu "Adaptive Wiener filtering for image restoration using wavelet package based on the edge detection", Proc. SPIE 5637, Electronic Imaging and Multimedia Technology IV, (8 February 2005); https://doi.org/10.1117/12.576802

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