期刊名称：International Journal of Computer Science and Information Technologies
电子版ISSN：0975-9646
出版年度：2015
卷号：6
期号：6
页码：4901-4903
出版社：TechScience Publications
摘要：Low contrast image is a challenging problem in image processing field especially in medical image processing. It reduces the obsever visualization power of an image. The best method for enhancing the contrast of an image is Histogram Equlization . Using this technique we can find the exact location of cancerous region or any other abnormalities. Dyanamic Histogram Equlization takes control over traditional Histogram Equlization for appropriate contrast enhancement of image without introducing any severe side effects. “Quadrants Dynamic Histogram Equlization Based Contrast Enhancement with Median Filtering” is proposed in this paper, which enhances the contrast of the medical image . Mainly this process contains two steps, first one is QDHE, which enhances the contrast of the image and also reduces the possibilty of low histogram components to be compressed. The second step is a Median Filtering for imge sharpening and noise removal.
