Acta Photonica Sinica, Volume. 39, Issue 9, 1712(2010)

Image Denoising Algorithm Based on Bilateral Filtering and Dual-Tree Complex Wavelet

CAO Jian-zhong, ZHOU Zuo-feng*, TANG Yao, GUO Min, and WANG Hao
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    An image denoising algorithm based on bilateral filtering and dual-tree complex wavelet transform is proposed.The noisy image is decomposed into multi-scale and multi-directional subbands by dual-tree complex wavelet transform,and each high-pass directional subband is denoised by local Wiener filtering with directional windows.During the reconstruction,each low-pass constructed image is further denoised by the bilateral filtering in spatial domain.The experiment results show that the proposed image denoising algorithm achieves significant improvement of denoising performance.

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    CAO Jian-zhong, ZHOU Zuo-feng, TANG Yao, GUO Min, WANG Hao. Image Denoising Algorithm Based on Bilateral Filtering and Dual-Tree Complex Wavelet[J]. Acta Photonica Sinica, 2010, 39(9): 1712

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    Paper Information

    Received: Feb. 5, 2009

    Accepted: --

    Published Online: Nov. 4, 2010

    The Author Email: Zuo-feng ZHOU (zfzhou@opt.ac.cn)

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