Enhancement and Correction of Medical Images Using Multiscale RetinexJournal: International Journal of Science and Research (IJSR) (Vol.2, No. 7)
Publication Date: 2013-07-05
Authors : Nilesh Pandey; Akash Wanjari; Yogesh Rathore;
Page : 163-166
Keywords : Retinex; PSNR; CNR;
The Retinex is an image enrichment algorithm that improves the brightness, contrast and sharpness of an image. A new method for enhancing the contrast of inhomogeneous images by retinex algorithm is proposed. It can correct the blurring in deep anatomical structures and in homogeneity. Multi scale retinex (MSR) employed SSR with different weightings to correct in homogeneities and enhance the contrast of images. Its performance was also compared with other methods based on two indices: (1) the peak signal-to-noise ratio (PSNR) and (2) the contrast-to-noise ratio (CNR).
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