2 papers
math.NA2024
Flexible Quaternion Generalized Minimal Residual Method for Ill-Posed Quaternion Inverse Problems
Xuan Liu, Zhigang Jia, Xiaoqing Jin
The main goal of this paper is to propose a new quaternion total variation regularization model for solving linear ill-posed quaternion inverse problems, which arise from three-dim…
math.NA2020
The Multi-Symplectic Lanczos Algorithm and Its Applications to Color Image Processing
Zhigang Jia, Xuan Liu, Mei-Xiang Zhao
Low-rank approximations of original samples are playing more and more an important role in many recently proposed mathematical models from data science. A natural and initial requi…