Hengmin Zhang Shuyi Li Jing Qiu 0002 Yang Tang Jie Wen 0001 Zhiyuan Zha Bihan Wen Efficient and Effective Nonconvex Low-Rank Subspace Clustering via SVT-Free Operators. 7515-7529 2023 December 33 IEEE Trans. Circuits Syst. Video Technol. 12 https://doi.org/10.1109/TCSVT.2023.3275299 db/journals/tcsv/tcsv33.html#ZhangLQTWZW23