Fast variable density Poisson-disc sample generation with directional variation for compressed sensing in MRI
We present a fast method for generating random samples according to a variable density
poisson-disc distribution. A minimum parameter value is used to create a background grid …
poisson-disc distribution. A minimum parameter value is used to create a background grid …
Calibration-less multi-coil compressed sensing magnetic resonance image reconstruction based on OSCAR regularization
L El Gueddari, C Giliyar Radhakrishna… - Journal of …, 2021 - mdpi.com
Over the last decade, the combination of compressed sensing (CS) with acquisition over
multiple receiver coils in magnetic resonance imaging (MRI) has allowed the emergence of …
multiple receiver coils in magnetic resonance imaging (MRI) has allowed the emergence of …
Optimization in the space domain for density compensation with the nonuniform FFT
Abstract The non-uniform Discrete Fourier Transform algorithm has shown great utility for
reconstructing images from non-uniformly spaced Fourier samples in several imaging …
reconstructing images from non-uniformly spaced Fourier samples in several imaging …
Least squares optimal density compensation for the gridding non-uniform discrete fourier transform
The Gridding algorithm has shown great utility for reconstructing images from non-uniformly
spaced samples in the Fourier domain in several imaging modalities. Due to the non …
spaced samples in the Fourier domain in several imaging modalities. Due to the non …
multiMap: A Gradient Spoiled Sequence for Simultaneously Measuring B1+, B0, T1/M0, T2, T2*, and Fat Fraction of a Slice
We propose multiMap, a single scan that can generate several quantitative maps
simultaneously. The sequence acquires multiple images in a time-efficient manner, which …
simultaneously. The sequence acquires multiple images in a time-efficient manner, which …