Pixel wise Authentication of Images using Fragile Watermarking
نویسنده
چکیده
This paper proposes a novel pixel wise fragile watermarking scheme in spatial domain by which one can effectively locate the tamper in every pixel of the images accurately and scheme is also protected by user defined secret key which is given explicitly. Proposed watermarking algorithms has good PSNR value and have less complexity of algorithms. Proposed algorithms can also work on color images efficiently. Tamper detection rate of proposed approach is good and also able to achieve 100% effectiveness in some cases, which is good enough. Experimental results show the efficiency of proposed approach for various types of temporization attacks.
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