Quasi Non-Negative Quaternion Matrix Factorization with Application to Color Face Recognition. - Yifen Ke; Changfeng Ma; Zhigang Jia; Yajun Xie; Riwei Liao (J. Sci. Comput., 2023)

Krylov subspace methods based quaternion tensor form for generalized Sylvester quaternion tensor equation with application to color video restoration. - Xiao-Min Cai; Yu-Ling Wu; Yi-Fen Ke; Riwei Liao; Ya-Jun Xie (J. Frankl. Inst., 2024)

Quaternion modified conjugate gradient algorithm to solve Sylvester-type quaternion matrix equations with generalized coupled form as well as application. - Yifen Ke; Xiaomin Cai; Riwei Liao; Huai Zhang (Appl. Math. Comput., 2025)

Global quaternion generalized minimal residual method for generalized coupled Sylvester quaternion matrix equations with application to colour image encryption and decryption. - Yifen Ke; Yuling Wu; Xiaomin Cai; Riwei Liao (Int. J. Comput. Math., 2025)

Fractional order calculus enhanced dung beetle optimizer for function global optimization and multilevel threshold medical image segmentation. - Huangzhi Xia; Yifen Ke; Riwei Liao; Yunqiang Sun (J. Supercomput., 2025)

Logarithmic norm minimization of quaternion matrix decomposition for color image sparse representation. - Xiao-Min Cai; Yi-Fen Ke; Chang-Feng Ma; Ya-Jun Xie; Riwei Liao (Numer. Algorithms, 2025)

Structure-preserving quaternion BiCG method and quaternion QMR method for generalized coupled Sylvester-type quaternion matrix equations. - Xiaomin Cai; Yifen Ke; Wenxin Zhuo; Riwei Liao (Comput. Appl. Math., 2025)

Fractional order dung beetle optimizer with reduction factor for global optimization and industrial engineering optimization problems. - Huangzhi Xia; Yifen Ke; Riwei Liao; Huai Zhang (Artif. Intell. Rev., 2025)