A unified approach to sparse signal processing

F Marvasti, A Amini, F Haddadi… - EURASIP journal on …, 2012 - Springer
A unified view of the area of sparse signal processing is presented in tutorial form by
bringing together various fields in which the property of sparsity has been successfully …

Removal of lipid artifacts in 1H spectroscopic imaging by data extrapolation

CI Haupt, N Schuff, MW Weiner… - Magnetic resonance in …, 1996 - Wiley Online Library
Proton MR spectroscopic imaging (MRSI) of human cerebral cortex is complicated by the
presence of an intense signal from subcutaneous lipids, which, if not suppressed before …

Extrapolation and spectral estimation with iterative weighted norm modification

SD Cabrera, TW Parks - IEEE Transactions on Signal …, 1991 - ieeexplore.ieee.org
An algorithm is developed to define, from the data samples themselves, a frequency-
weighted norm to use in minimum-weighted-norm extrapolation. The iterative procedure …

Interpolation and the discrete Papoulis-Gerchberg algorithm

PJSG Ferreira - IEEE Transactions on Signal Processing, 1994 - ieeexplore.ieee.org
Analyze the performance of an iterative algorithm, similar to the discrete Papoulis-Gerchberg
algorithm, and which can be used to recover missing samples in finite-length records of …

Extrapolation of bandlimited signals in linear canonical transform domain

J Shi, X Sha, Q Zhang, N Zhang - IEEE Transactions on Signal …, 2011 - ieeexplore.ieee.org
The linear canonical transform (LCT) has been shown to be a powerful analyzing tool in
signal processing. Many results of this transform are already known, including bandlimited …

Deep-learning-based gas leak source localization from sparse sensor data

D Badawi, I Bassi, S Ozev, AE Cetin - IEEE Sensors Journal, 2022 - ieeexplore.ieee.org
In this article, we address the problem of estimating the location of gas leak sources using
sparse unreliable spatio-temporal chemical sensor data. We pose the task of estimating the …

Accelerated iterative band-limited extrapolation algorithms

BG Salomon, H Ur - IEEE Signal Processing Letters, 2004 - ieeexplore.ieee.org
The iterative algorithms of Papoulis-Gerchberg and Cadzow are well-known algorithms for
solving the band-limited extrapolation problem. These algorithms, however, are usually …

An efficient method for an ill-posed problem—band-limited extrapolation by regularization

W Chen - IEEE transactions on signal processing, 2006 - ieeexplore.ieee.org
In this paper, a regularized spectral estimation formula and a regularized iterative algorithm
for band-limited extrapolation are presented. The ill-posedness is taken into account. First …

改进的图像重建迭代算法

张兆田, 张朋 - 电子与信息学报, 2004 - cqvip.com
针对不完全数据图像重建问题, 该文从积分方程角度提出一种改进的图像重建迭代算法(
Improved Iterative Reprojection Reconstruction, IIRR), 并证明其在范数下收敛 …

A new extrapolation algorithm for band-limited signals using the regularization method

W Chen - IEEE transactions on signal processing, 1993 - ieeexplore.ieee.org
The ill-posedness of the extrapolation problem in the presence of noise is considered. A
stable algorithm is constructed by solving a Fredholm equation based on a regularization …