Optimal experiment design for magnetic resonance fingerprinting: Cramér-Rao bound meets spin dynamics

B Zhao, JP Haldar, C Liao, D Ma… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
Magnetic resonance (MR) fingerprinting is a new quantitative imaging paradigm, which
simultaneously acquires multiple MR tissue parameter maps in a single experiment. In this …

Extended phase graph formalism for systems with magnetization transfer and exchange

SJ Malik, RPAG Teixeira… - Magnetic resonance in …, 2018 - Wiley Online Library
Purpose An extended phase graph framework (EPG‐X) for modeling systems with exchange
or magnetization transfer (MT) is proposed. Theory EPG‐X models coupled two …

An efficient approach to optimal experimental design for magnetic resonance fingerprinting with B‐splines

E Scope Crafts, H Lu, H Ye, LL Wald… - Magnetic resonance in …, 2022 - Wiley Online Library
Purpose To introduce a computationally efficient approach to optimizing the data acquisition
parameters of MR Fingerprinting experiments with the Cramér–Rao bound. Methods This …

Phase distribution graphs for fast, differentiable, and spatially encoded Bloch simulations of arbitrary MRI sequences

J Endres, S Weinmüller, HN Dang… - Magnetic Resonance in …, 2024 - Wiley Online Library
Purpose An analytical approach to Bloch simulations for MRI sequences is introduced that
enables time efficient calculations of signals free of Monte‐Carlo noise, while providing full …

BlochSolver: A GPU-optimized fast 3D MRI simulator for experimentally compatible pulse sequences

R Kose, K Kose - Journal of Magnetic Resonance, 2017 - Elsevier
A magnetic resonance imaging (MRI) simulator, which reproduces MRI experiments using
computers, has been developed using two graphic-processor-unit (GPU) boards (GTX …

Simultaneous estimation of PD, T1, T2, T2*, and ∆B0 using magnetic resonance fingerprinting with background gradient compensation

T Hong, D Han, DH Kim - Magnetic resonance in medicine, 2019 - Wiley Online Library
Purpose This study aims to estimate PD, T1, T2, T2*, and B0 simultaneously using magnetic
resonance fingerprinting (MRF) with compensation of the linearly varying background field …

Bias‐reduced neural networks for parameter estimation in quantitative MRI

A Mao, S Flassbeck, J Assländer - Magnetic Resonance in …, 2024 - Wiley Online Library
Purpose To develop neural network (NN)‐based quantitative MRI parameter estimators with
minimal bias and a variance close to the Cramér–Rao bound. Theory and Methods We …

Fast and accurate modeling of transient‐state, gradient‐spoiled sequences by recurrent neural networks

H Liu, O van der Heide, CAT van den Berg… - NMR in …, 2021 - Wiley Online Library
Fast and accurate modeling of MR signal responses are typically required for various
quantitative MRI applications, such as MR fingerprinting. This work uses a new extended …

Cramér-Rao bound optimized subspace reconstruction in quantitative MRI

A Mao, S Flassbeck, C Gultekin… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Objective: We extend the traditional framework for estimating subspace bases in quantitative
MRI that maximize the preserved signal energy to additionally preserve the Cramér-Rao …

Slice‐selective extended phase graphs in gradient‐crushed, transient‐state free precession sequences: An application to MR fingerprinting

J Ostenson, DS Smith, MD Does… - Magnetic resonance in …, 2020 - Wiley Online Library
Purpose Slice‐selective, gradient‐crushed, transient‐state sequences such as those used in
MR fingerprinting (MRF) relaxometry are sensitive to slice profile effects. Whereas balanced …