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New semifragile image authentication watermarking techniques using random bias and nonuniform quantization.
Kurato Maeno
Qibin Sun
Shih-Fu Chang
Masayuki Suto
Published in:
Security and Watermarking of Multimedia Contents (2002)
Keyphrases
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image authentication
watermarking technique
watermarking scheme
secret information
copyright protection
digital watermarking
public key
watermark embedding
digital images
jpeg compression
image content
watermarking algorithm
authentication scheme
data hiding
image watermarking
digital content
human visual system