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this paper we propose a multiple digital watermarking scheme using DCT and VC to achieve both image authentication and integrity. We used two watermarks for embedding in to the host image. Unlike traditional watermarking schemes, the second watermarks are not embedded directly into the host image. The proposed technique proves that it is resilient to several attacks. Keywordigital watermarking, visual cryptography, DCT

A Compound Blind Digital Watermarking Technique for Image Authentication and Integrity using DCT and VC