Adaptive Flexible Optimal Graph for Unsupervised Dimensionality Reduction. - Hong Chen 015; Feiping Nie 001; Rong Wang 001; Xuelong Li 001 (IEEE Signal Process. Lett., 2021)

On the Global Solution of Soft k-Means. - Feiping Nie 001; Hong Chen 015; Rong Wang 001; Xuelong Li 001 (CoRR, 2022)

Fast Unsupervised Feature Selection With Bipartite Graph and $ ell _{2,0}$ℓ2,0-Norm Constraint. - Hong Chen 015; Feiping Nie 001; Rong Wang 001; Xuelong Li 001 (IEEE Trans. Knowl. Data Eng., 2023)

Unsupervised Feature Selection With Flexible Optimal Graph. - Hong Chen 015; Feiping Nie 001; Rong Wang 001; Xuelong Li 001 (IEEE Trans. Neural Networks Learn. Syst., 2024)

On the Equivalence of Linear Discriminant Analysis and Least Squares Regression. - Feiping Nie 001; Hong Chen 015; Shiming Xiang; Changshui Zhang; Shuicheng Yan; Xuelong Li 001 (IEEE Trans. Neural Networks Learn. Syst., 2024)

Adaptive fast local discriminant analysis with whitening transform. - Hong Chen 015; Feiping Nie 001; Yingcang Ma; Rong Wang 001 (Neural Networks, 2025)