Assessment of Spatial-variant Noise Level in Real-time Dynamic MR Images - a Random Matrix Approach

Details Assessment of Spatial-variant Noise Level in Real-time Dynamic MR Images - a Random Matrix Approach Assessment of Spatial-variant Noise Level in Real-time Dynamic MR Images - a Random Matrix Approach

2009-01-26

arxiv.org/abs/0901.4027v2

Physics

Data Analysis, Statistics and Probability

This paper has been withdrawn by the authors, due to a crucial error in Eqn. 2

Scientific paper

Accurate measurement of spatially variant noise in dynamic magnetic resonance
(MR) images acquired using parallel imaging methods is problematic. We propose
a new method based on the random matrix theory to accurately assess the noise
level. The method is validated using numerical simulation and in-vivo dynamic
cardiac MR images.

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