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A Compound Transform Domain based Watermarking Scheme for Colour Images


G. Nagaraju, M. Venkata Pullarao and Dr.P.V. Ramaraju
Abstract

In the modern world, image encryption is of vital significance where watermarking is the main tool for securing the image's integrity. This paper tenders a compound transforms domain based blind as well as a secure watermarking scheme for colour images. For enacting the aforementioned intentions, three watermarks are ingrained in the three colour components of the colour image from adopting a DC component matrix technique in discrete cosine transform(DCT). Discrete wavelet transform(DWT) is adopted prior to the ingraining in order to get LL sub-band from each component of the colour image. A simple encryption technique has been engaged in order to escalate the security of the watermark.

Volume 11 | 01-Special Issue

Pages: 1687-1694