Watermark embedding in DC components of DCT for binary images.
Haiping LuXuxia ShiYun Q. ShiAlex C. KotLihui ChenPublished in: IEEE Workshop on Multimedia Signal Processing (2002)
Keyphrases
- binary images
- watermark embedding
- cover image
- gray scale
- dct coefficients
- mathematical morphology
- spread spectrum
- image blocks
- gray level images
- input image
- watermarking algorithm
- image watermarking
- jpeg images
- watermarking scheme
- transform domain
- discrete cosine transform
- copyright protection
- gray level
- computer vision
- human visual system
- digital images
- color images
- feature extraction