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  • Title: The use of unwrapped phase in MR image segmentation: a preliminary study.
    Author: Bourgeat P, Fripp J, Janke A, Galloway G, Crozier S, Ourselin S.
    Journal: Med Image Comput Comput Assist Interv; 2005; 8(Pt 2):813-20. PubMed ID: 16686035.
    Abstract:
    This paper considers the problem of tissue classification in 3D MRI. More specifically, a new set of texture features, based on phase information, is used to perform the segmentation of the bones of the knee. The phase information provides a very good discrimination between the bone and the surrounding tissues, but is usually not used due to phase unwrapping problems. We present a method to extract textural information from the phase that does not require phase unwrapping. The textural information extracted from the magnitude and the phase can be combined to perform tissue classification, and used to initialise an active shape model, leading to a more precise segmentation.
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