Improved digital watermark robustness against translation and/or cropping of an image area

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences

Volumn E83-A, Issue 1, 2000, Pages 68-76

  Nakamura, Takao ^a   Ogawa, Hiroshi ^a   Tomioka, Atsuki ^a   Takashima, Youichi ^a  

^a NTT CORPORATION   (Japan)

Author keywords

Copyright protection; Digital watermark; Image processing; Orthogonal transform; Spread spectrum

Indexed keywords

COMPUTATIONAL GEOMETRY; COPYRIGHTS; IMAGE COMPRESSION; MATHEMATICAL TRANSFORMATIONS; SECURITY OF DATA;

DIGITAL WATERMARK; IMAGE CROPPING; IMAGE TRANSLATION;

IMAGING TECHNIQUES;

EID: 0033873532     PISSN: 09168508     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (6)

1. K. Otomo, et al., "Consideration of copyright protection for an image information distribution system," Papers from the General Meeting of the Institute of Electronics and Communication Engineers of Japan (A-7-9), Spring, 1997.
2. T. Matsui and Y. Takashima.Digital watermarking application: Method of exposing pirated data based on the cooperation of general users," Proc. Annual Encryption and Data Security Symposium (SCIS98-10.2.C), 1998.
3. H.Tanaka and M.Nakajima.Improvement of digital watermarking under frequency domain for enhancement of resistance to geometric transformation attack," Information Processing Society of Japan Computer Security Group Research Report, 98-CSEC-3-7, pp.37-42, 1998.
4. J. Onishi, K. Matsui, and S. Ozawa.Detection of the signature from a clipped picture with wavelet transform," Proc. 1997 Engineering Science Scociety Conference of IEICE, SA-7-1, 1997.
5. A. Herrigel, J.O. Ruanaidh, H. Petersen, S. Pereira, and T. Pun.Secure copyright protection techniques for digital images," Second Workshop on Information Hiding, pp.169-190, 1998.
6. F.A.F. Petitcolas, R.J. Anderson, and M.G. Kulm.Attacks on copyright marking systems," Second Workshop Information Hiding, pp.218-238, 1998.