Local Region Partitioning for Disguised Face Recognition Using Non-negative Sparse Coding. - Khoa Dang Dang; Thai Hoang Le (Advanced Methods for Computational Collective Intelligence, 2013)

Locality oriented feature extraction for small training datasets using non-negative matrix factorization. - Khoa Dang Dang; Thai Hoang Le (Vietnam. J. Comput. Sci., 2014)