The Digital Watermarking Method by Using both Patchwork and DCT.

Hiroyuki Kii Junji Onishi Shinji Ozawa

Published in: ICMCS, Vol. 1 (1999)

Keyphrases

watermarking method
jpeg images
dct coefficients
watermark detection
discrete cosine transform
watermarking scheme
copyright protection
digital watermarking
watermarking algorithm
image compression
digital content
transform domain
dct domain
feature vectors
post processing
spread spectrum