지원사업
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
- 학술대회자료
- 저자정보
- 저널정보
- 대한전자공학회 ITC-CSCC :International Technical Conference on Circuits Systems, Computers and Communications ITC-CSCC : 2009
- 발행연도
- 2009.7
- 수록면
- 1,450 - 1,453 (4page)
이용수
초록· 키워드
오류제보하기
Many digital watermarking algorithms have utilized wavelet transformation. In this paper, proposed digital watermarking technique uses different wavelet transformation. Non-separable wavelet transformation can generate sub-images of multiple degrees rotated versions by quincunx sampling. This transformation result allows a variety of watermark insertion region. Therefore, proposed method guarantees robustness of watermark and security. After the original image is transformed with non-separable wavelet transformation and the watermark image is transformed with DCT, coefficients are calculated with binary number, respectively. We find an optimal bit position for concealing watermark at an original binary image and insert the watermark. This method is able to confirm the right of copyright and ownership easily while using invisible watermark and also we can detect a watermark without an original image.
목차
Abstract
1. Introduction
2. Non-separable Wavelet Transformation
3. Bit Concealment Watermarking
4. Experimental Results
5. Conclusion
References
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UCI(KEPA) : I410-ECN-0101-2012-569-004023584