2 papers
math.NA2025
Fast adaptive tubal rank-revealing algorithm for t-product based tensor approximation
Qiaohua Liu, Jiehui Gu
Color images and video sequences can be modeled as three-way tensors, which admit low tubal-rank approximations via convex surrogate minimization. This optimization problem is effi…
math.NA2025
Efficient adaptive randomized algorithms for fixed-threshold low-rank matrix approximation
Qiaohua Liu, Yuejuan Yu
The low-rank matrix approximation problems within a threshold are widely applied in information retrieval, image processing, background estimation of the video sequence problems an…