Low-rank, sparse matrix decomposition and group sparse coding for image classification. - Lihe Zhang; Chen Ma 002 (ICIP, 2012)

Low-rank decomposition and Laplacian group sparse coding for image classification. - Lihe Zhang; Chen Ma 002 (Neurocomputing, 2014)

Multi-level K-means clustering and group sparse coding with quasi-SIFT feature for image classification. - Lihe Zhang; Chen Ma 002 (Int. J. Inf. Commun. Technol., 2015)