no code implementations • 7 Apr 2023 • Ganzhao Yuan
We propose a breakpoint searching method and a fifth-order iterative method to solve this problem efficiently and effectively.
no code implementations • 30 Jan 2022 • Ganzhao Yuan
This problem is difficult to solve since it is non-convex.
no code implementations • 9 Sep 2021 • Ganzhao Yuan
This paper proposes a coordinate descent method for minimizing a class of DC functions based on sequential nonconvex approximation.
no code implementations • CVPR 2019 • Ganzhao Yuan, Li Shen, Wei-Shi Zheng
The sparse generalized eigenvalue problem arises in a number of standard and modern statistical learning models, including sparse principal component analysis, sparse Fisher discriminant analysis, and sparse canonical correlation analysis.
Numerical Analysis
no code implementations • 19 Nov 2017 • Ganzhao Yuan, Haoxian Tan, Wei-Shi Zheng
Sparse inverse covariance selection is a fundamental problem for analyzing dependencies in high dimensional data.
no code implementations • ICML 2017 • Li Shen, Wei Liu, Ganzhao Yuan, Shiqian Ma
In addition, we develop a new technique to establish the global convergence of the GSOS algorithm.
no code implementations • CVPR 2017 • Ganzhao Yuan, Wei-Shi Zheng, Bernard Ghanem
Incorporating a new Gaussian elimination procedure, the matrix splitting method achieves state-of-the-art performance.
1 code implementation • 13 Feb 2016 • Ganzhao Yuan, Yin Yang, Zhenjie Zhang, Zhifeng Hao
This paper points out that under ($\epsilon$, $\delta$)-differential privacy, the optimal solution of the above constrained optimization problem in search of a suitable strategy can be found, rather surprisingly, by solving a simple and elegant convex optimization program.
no code implementations • CVPR 2015 • Ganzhao Yuan, Bernard Ghanem
This paper focuses on TV for image restoration in the presence of impulse noise.