LSB and DES based Quad Tree Digital Watermarking

Anamika Upadhyay, Nirupma Tiwari

Abstract


Digital watermarking technology is being adopted to make certain and facilitate records authentication, safety and copyright protection of virtual media. It is taken into consideration as the maximum important era in these day’s world, to save you unlawful copying of information. Digital watermarking can be getting to audio, video, textual content or pictures. In this paper present the quad tree decomposition of cover picture consequences in variable sized square blocks. The presented approach adaptively determines locations within variable sized quad tree blocks in a cover image for embedding the secret text. The number of blocks obtained for a cover image is controlled using a threshold and a minimum block size.

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References


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DOI: https://doi.org/10.23956/ijarcsse.v8i2.573

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