Thi Hien Duong, Thanh, Phuong Cong Nguyen, and Cuong Quoc Nguyen. “Exploiting Nonnegative Matrix Factorization With Mixed Group Sparsity Constraint to Separate Speech Signal from Single-Channel Mixture With Unknown Ambient Noise”. EAI Endorsed Transactions on Context-aware Systems and Applications 4, no. 13 (March 14, 2018): e5. Accessed May 17, 2024. https://publications.eai.eu/index.php/casa/article/view/1960.