2 papers
cs.LG2021
An Improved Frequent Directions Algorithm for Low-Rank Approximation via Block Krylov Iteration
Chenhao Wang, Qianxin Yi, Xiuwu Liao +1
Frequent Directions, as a deterministic matrix sketching technique, has been proposed for tackling low-rank approximation problems. This method has a high degree of accuracy and pr…
cs.LG2021
Effective Streaming Low-tubal-rank Tensor Approximation via Frequent Directions
Qianxin Yi, Chenhao Wang, Kaidong Wang +1
Low-tubal-rank tensor approximation has been proposed to analyze large-scale and multi-dimensional data. However, finding such an accurate approximation is challenging in the strea…