ABSTRACT
Magnetic resonance imaging (MRI) of the brain is a precious tool to facilitate physician’s diagnoses and care for a mixture of brain diseases including stroke, cancer, and epilepsy, it presents exact information to discover the diseases. MRI has very low contrast leading to deterioration of image quality. Image enhancement is a technique to improve the perception of information in images so as to provide better visualization. Medical Image enhancement is one of the challenging issues in image processing. The objective of Image enhancement is to process an image so that result is more suitable than original image for specific application. In this paper, we review a number of methods that used to improve MRI brain medical images.
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