이미지 워터마킹 기법에 관한 연구
A Study on the Image Watermarking Method
1
조회
0
다운로드
0
인용
0
참고문헌
키워드
초록
There are many research for efficient, robust and invisible watermarking system that protects the digital contents like a image and animation according to growth of IT industry. First of all, frequency domain watermarking system like DWT(Descrete Wavelet Transform) is excellent because of minimum loss of original image and robustness of external attack. But, if we raise the insertion strength of watermark, then blazing of image occurs on existing DWT watermarking system and we should have a regular square image. In this study, we research the overflow check for preventing image from blazing and a robust and invisible watermarking algorithm. And we research a free-size DWT watermarking system using padding bytes, without a dependency of size.
Abstract
There are many research for efficient, robust and invisible watermarking system that protects the digital contents like a image and animation according to growth of IT industry. First of all, frequency domain watermarking system like DWT(Descrete Wavelet Transform) is excellent because of minimum loss of original image and robustness of external attack. But, if we raise the insertion strength of watermark, then blazing of image occurs on existing DWT watermarking system and we should have a regular square image. In this study, we research the overflow check for preventing image from blazing and a robust and invisible watermarking algorithm. And we research a free-size DWT watermarking system using padding bytes, without a dependency of size.
참고문헌 (6)
- F. A. P. Petitcolas, "Information hiding - A survey", Proc. IEEE, 87(7), pp.1062~1078 (1999)
- M. D. Swanson, "Multimedia Data-Embedding and Watermarking Technologies", Proc. of IEEE, 86(6), pp.1064~1097 (1998)
- M. D. Swanson, "Data Hiding for Video and Other Applications", IEEE Int. Conf. on Image Processing, 통권 : 3, pp.211~214 (1997)
- Ingemar J. Cox, "Secure Spread Spectrum Watermarking for Multimedia", IEEE Trans. Image Processing, 6(12), pp.1673~1678 (1977)
- Houng-Jyh Mike Wang, "Wavelet-Based Blind Watermark Retrieval Technique", SPIE Conference Multimedia Systems and Application (1998)
- Gerhard C. Langelaar, "Watermarking Digital Image and Video Data", IEEE Signal Processing Magazine, pp.20~46 (2000)