Watermarking of colour images in the DCT domain using Y channel.
Ahmed Al-GindyHussain Al-AhmadRami QahwajiAyman TawfikPublished in: AICCSA (2009)
Keyphrases
- colour images
- dct domain
- watermark detection
- video watermarking
- spatial domain
- transform domain
- dct coefficients
- post processing
- mathematical morphology
- digital video
- watermarking algorithm
- compressed domain
- human visual system
- single image
- colour space
- spread spectrum
- discrete cosine transform
- morphological operators
- compressed images
- multi valued
- digital images
- data hiding
- watermarking scheme
- jpeg images
- low frequency
- pixel values
- copyright protection
- watermarking technique
- image blocks
- frequency domain
- reference frame
- visual features
- image quality
- video data
- image watermarking
- high resolution
- motion vectors
- image data