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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.4 No.4
- 발행연도
- 2009.12
- 수록면
- 552 - 558 (7page)
이용수
초록· 키워드
오류제보하기
We proposed a semi-blind digital image watermarking technique for copyright protection. The proposed algorithm embedded a binary sequence watermark into significant wavelet coefficients by using a quantization method. The main idea of the quantization method was to quantize a middle coefficient of the triplet of a significant wavelet coefficient according to the watermark’s value. Unlike an existing algorithm, which used a random location table to find a coefficient in which the watermark bit will be embedded: the proposed algorithm used quad-tree decomposition to find a significant wavelet coefficient for embedding. For watermark detection, an original host image was not required. Thanks to the usage of significant wavelet coefficients, the proposed algorithm improved the correlation value, up to 0.43, in comparison with the existing algorithm.
목차
Abstract
1. Introduction
2. Related theories
3. Proposed Algorithm
4. Simulation Results
5. Conclusion
Acknowledgement
References
참고문헌 (8)
참고문헌 신청
1. [학술지(정기간행물)] - C.V.Serdean / 2007 / Wavelet and Multiwavelet Watermarking / Image Processing, IET 2 : 223 ~ 230
2. [학술대회논문] - F. Huo / 2006 / A Wavelet Based Image Watermarking Scheme / Proc.IEEE-ICIP’06 : 2573 ~ 2576
3. [학술지(정기간행물)] - X. Y. Wang / 2006 / A Novel Synchronization Invariant Audio Watermarking Scheme Based on DWT and DCT / Signal Processing, IEEE Transactions 54 (12) : 4835 ~ 4840
4. [학술대회논문] - A. Sveldlov / 2005 / Robust DCT-SVD Domain Image Watermarking for Copyright Protection: Embedding data in all frequencies / 13th European Signal Processing Conference : 4 ~ 8
5. [학술지(정기간행물)] - G.. Xie / 2006 / A New Fusion Based Blind Logo-Watermarking Algorithm / IEICE Trans. Inf. Syst E89-D (3) : 1173 ~ 1180
2. [학술대회논문] - F. Huo / 2006 / A Wavelet Based Image Watermarking Scheme / Proc.IEEE-ICIP’06 : 2573 ~ 2576
3. [학술지(정기간행물)] - X. Y. Wang / 2006 / A Novel Synchronization Invariant Audio Watermarking Scheme Based on DWT and DCT / Signal Processing, IEEE Transactions 54 (12) : 4835 ~ 4840
4. [학술대회논문] - A. Sveldlov / 2005 / Robust DCT-SVD Domain Image Watermarking for Copyright Protection: Embedding data in all frequencies / 13th European Signal Processing Conference : 4 ~ 8
5. [학술지(정기간행물)] - G.. Xie / 2006 / A New Fusion Based Blind Logo-Watermarking Algorithm / IEICE Trans. Inf. Syst E89-D (3) : 1173 ~ 1180
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