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Segmentation of an MR image using the random walker algorithm [15]. (a) Sagittal view of the male pelvis. (b) Approximate location of the prostate and surrounding tissue identified, where the cyan color indicates the anatomy not of interest. (c) Segmented image, where the colors red, magenta, green, yellow, black, and blue signify bone, fascia, fat, muscle, prostate, and urinary bladder, respectively and also entered in Figure 4.
