Digital image processing methods are widely used in medical imaging cases where different types of cancer require complex processing of images (see Fig. 2.1). For many medical images, it is desirable to enhance the quality of images; detect, extract, and analyze the areas with tumors; accurately classify the type of the tumor; compress the images (when necessary); and encrypt images to protect patient data. All of these methods serve one purpose: provide information about the extent of disease and help plan treatment.
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