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학술대회 Reversible Image Authentication Based on Watermarking
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저자
이상광, 서영호, 호요성
발행일
200607
출처
International Conference on Multimedia and Expo (ICME) 2006, pp.1321-1324
DOI
https://dx.doi.org/10.1109/ICME.2006.262782
협약과제
06MC1100, 멀티플랫폼 유통환경을 위한 콘텐츠 보호 기술 개발, 서영호
초록
In this paper, we propose a new reversible image authentication technique based on watermarking where if the image is authentic, the distortion due to embedding can be completely removed from the watermarked image after the hidden data has been extracted. This technique utilizes histogram characteristics of the difference image and modifies pixel values slightly to embed more data than other lossless data hiding algorithm. We show that the lower bound of the PSNR (peak-signal-to-noise-ratio) values of watermarked images are 51.14 dB. Moreover, the proposed scheme is quite simple and the execution time is rather short. Experimental results demonstrate that the proposed scheme can detect any modifications of the watermarked image. © 2006 IEEE.
KSP 제안 키워드
Authentication technique, Difference image, Hidden data, Image Authentication, Lossless data hiding, Lower bound, Peak-Signal-to-Noise-Ratio(PSNR), Pixel values, Signal noise ratio(SNR), execution time, watermarked image