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Digital watermarking using Walsh code sequences with error spreading technique and intra-pixel prediction.
Shu-Kei Yip
Oscar C. Au
Published in:
ISCAS (5) (2005)
Keyphrases
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digital watermarking
prediction error
digital images
discrete wavelet transform
copyright protection
watermarking scheme
watermarking technique
digital watermark
digital content
denoising
input image
watermarking algorithm
jpeg compression
lossy compression
multimedia
multiresolution
image processing