Zhang J, Ma S, Zhang Y, et al. Image deblocking using groupbased sparse representation and quantization constraint prior[C]//Proc. IEEE Int. Conf. Image Process. IEEE, 2015: 306-310.

Dong W, Zhang L, Shi G, et al. Nonlocally centralized sparse representation for lmage restoration[J]. IEEE Trans. on Image Processing, 2013, 22(4), 1620-1630. DOI: 1620

Zhou M. Nonparametric Bayesian dictionary learning for analysis of noisy and incomplete images[J]. IEEE Trans. Image Processing, 2012, 21(1): 130-144. DOI: 130

Beijing Gonzalez R C, WoodsR E. Digital image processing[M]. Beijing: Publishing House of Electronics Industry, 2005.

Zhang J, Zhao D, Gao W. Group-based sparse representation for image restoration[J]. IEEE Transactions on Image Processing, 2014, 23(8): 3336-3351. DOI: 3336

Zuo W, Zhang L, Song C, et al. Texture enhanced image denoising via gradient histogram preservation[C]//Proc. Int. Conf. CVPR. IEEE, 2013: 1203-1210.

Zhao M, Li H. Image denoising based on Poisson-like noise model[J]. Chinese Journal of Stereology and Image Analysis, 2011, 16(17): 32-38. DOI: 32

Zuo W, Zhang L, Song C, et al. Gradient histogram estimation and preservation for texture enhanced image denoising[J]. IEEE Trans. Image Process, 2014, 23(6): 2459-2472. DOI: 2459

Lin Z C, Chen M M, Wu L Q, et al. The augmented lagrange multiplier method for exact recovery of corrupted low-rank matrices[R]. UIUC, 2010.