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Search: authors:"Sanjay B. Dhok"

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Automated approach for splicing detection using first digit probability distribution features

Digital image tampering operations destroy inbuilt fingerprints and create own new fingerprint in the tampered region. Considering the Internet speed and storage space, most of the images are circulated in the JPEG format. In a single compressed JPEG image, the first digits of DCT coefficients follow a logarithmic distribution. This distribution is not followed by DCT...

Fractal Video Coding Using Fast Normalized Covariance Based Similarity Measure

. Chaudhari and Sanjay B. Dhok. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided