Hongjun Li, ZhiMin Zhao. Image Denoising Algorithm Based on Improved Filter in Contourlet Domain. In Mark Burgin, Masud H. Chowdhury, Chan H. Ham, Simone A. Ludwig, Weilian Su, Sumanth Yenduri, editors, CSIE 2009, 2009 WRI World Congress on Computer Science and Information Engineering, March 31 - April 2, 2009, Los Angeles, California, USA, 7 Volumes. pages 499-503, IEEE Computer Society, 2009. [doi]