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Wavelet based data Watermarking  

김동현 (순천청암대학)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.7, no.6, 2003 , pp. 1224-1228 More about this Journal
Abstract
The use of digital imaging technique and digital contents based on internet has grown rapidly for last several years, and the needs of digital image protection become more important. For the purpose of copyright protection on digital image, the verification of authentication techniques like content authentication, ownership authentication, illegal copy and etc are needs. Digital watermarking, the invisible encryption technique to insert digital watermarking into image, the sophisticated perceptual information should be used for providing transparency and robustness of images on watermarking process. In this paper, we implement the algorithm for preventing forged attack. ownership protection and authentication by transforming the wavelet algorithms in frequency domain in terms of human visual system.
Keywords
디지털 워터마크;웨이브렛 변환;
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