Sundaresan, RPorikli, Fatih2015-12-08March 25-39781467300469http://hdl.handle.net/1885/30030Keywords: Collaborative filtering; Dictionary learning; Global estimation; Image denoising methods; Image patches; Multiple clusters; Noise variance; Sparse coding; Sparse reconstruction; Additive noise; Image denoising; Signal processing; Acoustic noise collaborative filtering; dictionary learning; Image denoising; sparse coding201210.1109/ICASSP.2012.62880872016-06-14