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Enhancement Techniques and Methods for MRIA Review

In this review paper, it is planned to review and compare the different methods of diagnosing brain tumor through MRI used in preprocessing and segmentation techniques. In preprocessing and enhancement stage is used to eliminate the noise and high frequency components from MRI image. In this paper, various Preprocessing and Enhancement Technique, Segmentation Algorithm and their performance have been studied and compared. Keywords— Pre-processing, Medical Imaging, Tumors, Morphological Operators, Image segmentation; Modified Tracking Algorithm; Center Weighted Median (CWM) Filter.