2014 | OriginalPaper | Chapter
False Positives Reduction on Segmented Multiple Sclerosis Lesions Using Fuzzy Inference System by Incorporating Atlas Prior Anatomical Knowledge: A Conceptual Model
Authors : Hassan Khastavaneh, Habibollah Haron
Published in: Computational Collective Intelligence. Technologies and Applications
Publisher: Springer International Publishing
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Detecting abnormalities in medical images is an important application of medical imaging. MRI as an imaging technique sensitive to soft tissues shows Multiple Sclerosis (MS) lesions as hyper-intense or hypo-intense signals. As manual segmentation of these lesions is a laborious and time consuming task, many methods for automatic MS lesion segmentation have been proposed. Because of inherent complexities of MS lesions together with acquisition noises and inaccurate pre-processing algorithms, automatic segmentation methods come up with some False Positives (FP). To reduce these FPs a model based on fuzzy inference system by incorporating atlas prior anatomical knowledge have been proposed. The inputs of proposed model are MRI slices, initial lesion mask, and atlas information. In order to mimic experts inferencing, proper linguistic variable are derived from inputs for better description of FPs. The experts knowledge is stored into knowledge-base in if-then like statement. This model can be developed and attached as a module to MS lesion segmentation methods for reducing FPs.