Image denoising algorithm based on non-local regularized sparse representation
LIANG Dong， LIANG Zhao， BAO Wen-xia， ZHANG Lin， GUO Cun-shan
Journal of Systems Engineering and Electronics . 2013, (5): 1104 -1109 .  DOI: 10.3969/j.issn.1001-506X.2013.05.35