Generalized Nesterov Accelerated Conjugate Gradient Algorithm for a Compressively Sampled MR Imaging Reconstruction
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3018446
Abstract: To accelerate the scanning speed of magnetic resonance imaging (MRI) and improve the quality of magnetic resonance (MR) image reconstruction, a fast MRI technology based on compressed sensing is proposed. Nesterov’s accelerated gradient descent (NAG)… read more here.
Keywords: nesterov accelerated; conjugate gradient; algorithm; generalized nesterov ... See more keywords
Nesterov-accelerated adaptive momentum estimation-based wavefront distortion correction algorithm.
Sign Up to like & getrecommendations! Published in 2021 at "Applied optics"
DOI: 10.1364/ao.428465
Abstract: In order to improve the wavefront distortion correction performance of the classical stochastic parallel gradient descent (SPGD) algorithm, an optimized algorithm based on Nesterov-accelerated adaptive momentum estimation is proposed. It adopts a modified second-order momentum… read more here.
Keywords: nesterov accelerated; wavefront distortion; accelerated adaptive; adaptive momentum ... See more keywords