Ren, Yingchun, Yufei Chen, and Xiaodong Yue. “Supervised Sparsity Preserving Projections for Face Recognition”. Computing and Informatics 36, no. 4 (November 29, 2017): 815–836. Accessed November 7, 2024. http://147.213.75.17/ojs/index.php/cai/article/view/2017_4_815.