科研之友
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摘要
A new method for image denoising was presentedwhich colligated the strong point of wave atoms transform and Cycle Spinning. Due to lack of translation invariance of wave atoms transformimage denoising by coefficient thresholding would lead to Pseudo-Gibbs phenomena. Cycle Spinning was employed to avoid the artifacts. Experimental results show that the method can remove noisy and remain edges, while Pseudo-Gibbs phenomena are controlled efficiently, and can get better visual effect and PSNR gains compared with the methods like simplex wave atoms or wavelet denoising using Cycle Spinning.And in heavy background noise, this advantage is significant.
- 出版日期2014
- 单位西安电子科技大学
