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The Effective Protection Mechanism for Digital Images using Transform of the Wavelet in Frequency Domain  

최우진 (조선대학교 대학원 컴퓨터공학과)
오무송 (조선대학교 전자정보공과대학 컴퓨터공학과)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.6, no.6, 2002 , pp. 937-942 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 needed. Digital watermarking, the invisible encryption technique to insert digital watermark 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
Watermarking; Digital Image; Wavelet Algorithms;
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