Abstract：
:Magnetic resonance imaging is a popular and powerful non-invasive imaging technique. Automated analysis has become mandatory to efficiently cope with the large amount of data generated using this modality. However, several artifacts, such as intensity non-uniformity, can degrade the quality of acquired data. Intensity non-uniformity consists in anatomically irrelevant intensity variation throughout data. It can be induced by the choice of the radio-frequency coil, the acquisition pulse sequence and by the nature and geometry of the sample itself. Numerous methods have been proposed to correct this artifact. In this paper, we propose an overview of existing methods. We first sort them according to their location in the acquisition/processing pipeline. Sorting is then refined based on the assumptions those methods rely on. Next, we present the validation protocols used to evaluate these different correction schemes both from a qualitative and a quantitative point of view. Finally, availability and usability of the presented methods is discussed.
journal_name
Med Image Analjournal_title
Medical image analysisauthors
Belaroussi B,Milles J,Carme S,Zhu YM,Benoit-Cattin Hdoi
10.1016/j.media.2005.09.004subject
Has Abstractpub_date
2006-04-01 00:00:00pages
234-46issue
2eissn
1361-8415issn
1361-8423pii
S1361-8415(05)00097-6journal_volume
10pub_type
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