IJPTT

 Watermarking – A Novel Approach

	International Journal of Computer Organization Trends and Technology (IJCOT)
	© 2014 by IJCOT Journal
	Volume - 4 Issue - 1
	Year of Publication : 2014
	Authors :  Y. Arockia Raj , V. Priya
	DOI :  10.14445/22492593/IJCOT-V4P312

Y. Arockia Raj , V. Priya ,`Watermarking – A Novel Approach", International Journal of Computer & organization Trends  (IJCOT), V4(1):22-26 Jan - Feb 2014, ISSN:2249-2593, www.ijcotjournal.org. Published by Seventh Sense Research Group.

Abstract

The major growth of information technology is based on the growth of computer networks. The computer network diminished the entire global in a nutshell, via the internet and the intranet capabilities. In the recent year, communicating information within authenticated groups in the text, image and video formats are highly unavoidable one. And in the same manner, there are more possibility that the communicated information to be hacked by the anonymous hacker. The hacker may be passive or active; it is highly risk for many engineering applications like military network. Hence, digital watermarking is merged to rectify the above pitfalls. Watermarking techniques developed for images are mainly classified into visible and invisible approaches. The study further analyses the modern digital watermarking system.

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Keywords
Providing additional information, Discrete Cosine Transform (DCT), Discrete Wavelet Transform (DWT), Discrete Fourier Transform (DFT), Peak Signal to Noise Ratio (PSNR), sliding square window containing