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A Review of Medical Image Enhancement Techniques for Image Processing

Author : Sargun and Shashi B. Rana

Pages : 1282-1286, DOI:http://Dx.Doi.Org/10.14741/Ijcet/22774106/5.2.2015.121
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Image Enhancement is one of the most important and complex techniques in image processing technology. The main aim of image enhancement is to improve the visual appearance of an image, or to offer a “better transform representation of the image. Various types of images like medical images, satellite images, aerial images and real life photographs suffer from different problems like poor contrast and noise. It is essential to enhance the contrast and remove the noise to increase image quality. Recently a lot of work has been done by different researchers and scientists in the field of image enhancement. Many techniques have already been proposed and devised for enhancing the digital images. Most of the techniques are based upon the concept of transform domain methods which can introduce the artifacts which further reduce the intensity of the input image. The main objective of this paper is to highlight the drawbacks of the existing techniques.

Keywords: Enhancement, Medical Images, Histograms, CLAHE.

Article published in International Journal of Current Engineering and Technology, Vol.5, No.2 (April-2015)


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