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Quality Improvement of Acute Leukemia Images Using Contrast Stretching Methods
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Acute leukemia is a type of cancer of the blood or bone marrow characterized by an abnormal increase of immature white blood cells or blasts play important role for hematologists in their diagnostic process. The acute leukemia is divided into acute lymphocytic leukemia (ALL) and acute myelogenous leukemia (AML), depending on whether specific white blood cells called lymphocytes (or myelocytes), are involved. Leukemia images from looking at a sample of patient blood, can determine the abnormal levels of white blood cells, to process a acute leukemia images so that the result is more suitable than the original image for a medical application. However, there are blurriness and effects of unwanted noise on blood leukemia images that sometimes result in false diagnosis. To over come this problem image pre-processing such as image enhancement techniques are needed. The results show that the global contrast stretching is the best technique that helps to improve the image quality.
Keywords
Image Enhancement, Contrast Stretching, Local Contrast, Global Contrast, Partial Contrast, Bright Contrast, Dark Contrast, Acute Leukemia.
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