Retrieval of Brain Tumors with Region-Specific Bag-of-Visual-Words Representations in Contrast-Enhanced MRI Images

<table>Flow diagram of the intensity profile and the margin region extraction. (a) An outlined tumor. (b) The extraction of the intensity profile in the tumor. In this figure, there are five sampling pixels on each intensity profile. (c) The margin region and its four subregions of the tumor.</table>

Computational and Mathematical Methods in Medicine

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Figure 5

Figure 5: Retrieval of Brain Tumors with Region-Specific Bag-of-Visual-Words Representations in Contrast-Enhanced MRI Images 