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Towards tamper detection and classification with robust watermarks.
Henry D. Knowles
Dominique A. Winne
Cedric Nishan Canagarajah
David R. Bull
Published in:
ISCAS (2) (2003)
Keyphrases
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tamper detection
image authentication
pattern recognition
feature vectors
image watermarking
digital images
image classification
feature extraction
semi fragile
feature space
gray level
error correction
data hiding
copyright protection
geometric distortions