45 search results - page 8 / 9 » Image Authentication Using Hierarchical Semi-Fragile Waterma... |
INFORMATICASI
2008
13 years 7 months ago
2008
MMSEC
2006
ACM
14 years 28 days ago
2006
ACM
We present an efficient JPEG2000-based image authentication scheme, which is robust to JPEG compression and other allowed signal processing operations. Positive wavelet-based wate...
JCP
2007
13 years 6 months ago
2007
— Integrity of digital documents is a very important issue if they are to be legally binding. Common solutions, like digital signatures or message authentication codes, are based...
SSWMC
2004
13 years 8 months ago
2004
In lossless watermarking, it is possible to completely remove the embedding distortion from the watermarked image and recover an exact copy of the original unwatermarked image. Lo...
ICIP
2004
IEEE
14 years 8 months ago
2004
IEEE
Perceptual image hashing maps an image to a fixed length binary string based on the image's appearance to the human eye, and has applications in image indexing, authenticatio...