Joint denoising of diffusion‐weighted images via structured low‐rank patch matrix approximation
Sign Up to like & getrecommendations! Published in 2022 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.29407
Abstract: To develop a joint denoising method that effectively exploits natural information redundancy in MR DWIs via low‐rank patch matrix approximation. read more here.
Keywords: low rank; rank patch; matrix approximation; patch matrix ... See more keywords
A fast solver for spectral elements applied to fractional differential equations using hierarchical matrix approximation
Sign Up to like & getrecommendations! Published in 2020 at "Computer Methods in Applied Mechanics and Engineering"
DOI: 10.1016/j.cma.2020.113053
Abstract: Abstract We develop a fast solver for the spectral element method (SEM) applied to the two-sided fractional diffusion equation on uniform, geometric and graded meshes. By approximating the singular kernel with a degenerate kernel we… read more here.
Keywords: matrix approximation; solver spectral; approximation; fast solver ... See more keywords
Dominant Path Zero-Forcing Based on Low-Rank Matrix Approximation for Full-Dimensional Massive MIMO Systems
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2021.3060911
Abstract: The conventional zero-forcing (ZF) precoding and the two dimensional (2D) ZF precoding are two popular schemes to cancel the interference in the downlink of the full-dimensional (FD) massive MIMO systems. However, the conventional ZF is… read more here.
Keywords: mimo; matrix approximation; dominant path; zero forcing ... See more keywords