The code in this toolbox implements "Bi-Sparse Unsupervised Feature Selection" by X. Xiu, C. Huang, P. Shang, W. Liu.

Directly run demo.m for reproduction.
Please give credits to this paper if this code is useful and helpful for your research.
@article{xiu2025bi,
title = {Bi-Sparse Unsupervised Feature Selection},
author = {Xiu, Xianchao and Huang, Chenyi and Shang, Pan and Liu, Wanquan},
journal = {IEEE Transactions on Image Processing},
year = {2025},
volume = {34},
number = {},
pages = {7407-7421},
publisher = {IEEE}
}
Please contact C. Huang for more details.