Zihao He Qianyu Shu Jinming Wen Hing Cheung So Efficient Sparse Recovery With Arctangent Regularization: A Novel Iterative Thresholding Algorithm. 5367-5379 2025 June 35 IEEE Trans. Circuits Syst. Video Technol. 6 https://doi.org/10.1109/TCSVT.2024.3524668 db/journals/tcsv/tcsv35.html#HeSWS25 streams/journals/tcsv