Iman Omidvar Tehrani

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Protecting images against illegal duplications is an important fact and recently many watermarking algorithms have been published. In this paper an enhanced SVD-based watermarking algorithm is proposed. In the proposed method U component is explored for embedding the watermark. Experimental results show that imperceptibility and robustness of the algorithm(More)
Fuzzy-based algorithms have been widely used for medical segmentation. Fuzzy c-means (FCM) is one of the popular algorithms which is being used in this field. However this method of segmentation suffers mainly from two issues. Firstly, noisy images highly reduce the quality of segmentation. Secondly, the edges of the segmented images are not sharp and(More)
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