Work place: Artificial Intelligence Research Lab, Department of Computer Applications, Department of Electronics, Cochin University of Science and Technology, Kochi, Kerala, India
E-mail: remyacusat@gmail.com
Website:
Research Interests: Computational Engineering, Software Creation and Management, Software Development Process, Software Engineering
Biography
Remya A R received the post-graduation degree in software engineering under the Faculty of Technology, Cochin University of Science& Technology (CUSAT), Kochi, in 2007. She was working as the assistant systems engineer in Tata Consultancy Services during the year 2007-2011. Presently, she is a PhD Candidate at the Department of Computer applications,CUSAT, under the supervision of Dr. A Sreekumar.
By Remya A R A Sreekumar Supriya M H Tibin Thomas
DOI: https://doi.org/10.5815/ijcnis.2014.02.01, Pub. Date: 8 Jan. 2014
Guaranteeing the ownership or copyright of digital communication is of extreme importance in this digital era. Watermarking is the technique which confirms the authenticity or integrity of communication by hiding relevant information in specified areas of the original signal such that it might render it difficult to distinguish one from the other. Thus, the digital watermark can be defined as a type of indicator secretly embedded in a noise tolerant signal such as image, audio or video data.
The paper presents a voice signal authentication scheme by employing signal features towards the preparation of the watermark and by embedding it in the transform domain with the Walsh transforms. Watermark used in this technique is unique for each member participating in this communication system and makes it is very imperative in the context of signal authentication.
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