Inter-station intensity standardization for whole-body MR data

Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine
Oleh DzyubachykRob J van der Geest

Abstract

To develop and validate a method for performing inter-station intensity standardization in multispectral whole-body MR data. Different approaches for mapping the intensity of each acquired image stack into the reference intensity space were developed and validated. The registration strategies included: "direct" registration to the reference station (Strategy 1), "progressive" registration to the neighboring stations without (Strategy 2), and with (Strategy 3) using information from the overlap regions of the neighboring stations. For Strategy 3, two regularized modifications were proposed and validated. All methods were tested on two multispectral whole-body MR data sets: a multiple myeloma patients data set (48 subjects) and a whole-body MR angiography data set (33 subjects). For both data sets, all strategies showed significant improvement of intensity homogeneity with respect to vast majority of the validation measures (P < 0.005). Strategy 1 exhibited the best performance, closely followed by Strategy 2. Strategy 3 and its modifications were performing worse, in majority of the cases significantly (P < 0.05). We propose several strategies for performing inter-station intensity standardization in multispectral whole-body MR ...Continue Reading

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Citations

Jun 24, 2017·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Jakub CerankaJef Vandemeulebroucke
Jan 16, 2018·The British Journal of Radiology·Vassiliki PasoglouFrédéric Lecouvet
May 2, 2021·Computers in Biology and Medicine·Zhaoyu HuJinhua Yu

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