3 papers
math.NA2026
Truncated Huber Penalty for Sparse Signal Recovery with Convergence Analysis
Li Yang, Serena Morigi, Michael K. Ng +1
Sparse signal recovery from under-determined systems presents significant challenges when using conventional L_0 and L_1 penalties, primarily due to computational complexity and es…
math.NA2026
Guided Variational Network for Image Decomposition
Alessandro Lanza, Serena Morigi, Youwei Wen +1
Cartoon-texture image decomposition is a critical preprocessing problem bottlenecked by the numerical intractability of classical variational or optimization models and the tedious…
math.NA2025
Outlier-aware Tensor Robust Principal Component Analysis with Self-guided Data Augmentation
Yangyang Xu, Kexin Li, Li Yang +1
Tensor Robust Principal Component Analysis (TRPCA) is a fundamental technique for decomposing multi-dimensional data into a low-rank tensor and an outlier tensor, yet existing meth…