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Watermark extimation through local pixel correlation.
Matthew J. Holliman
Nasir D. Memon
Minerva M. Yeung
Published in:
Security and Watermarking of Multimedia Contents (1999)
Keyphrases
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digital images
adjacent pixels
watermarking algorithm
watermarking scheme
copyright protection
input image
correlation coefficient
image blocks
image watermarking
jpeg compression
audio signal
geometric distortions
feature extraction
spread spectrum
pixel wise
image authentication
image processing operations
spatial domain
robust image watermarking