Perceptual activity measures computed from blocks in the transform domain.
Yu-Hwe LeeJar-Ferr YangJen-Fa HuangPublished in: Signal Process. (2002)
Keyphrases
- transform domain
- image blocks
- dct coefficients
- spatial domain
- discrete cosine transform
- discrete cosine
- dct domain
- spread spectrum
- transform coefficients
- hadamard transform
- distributed video coding
- macroblock
- reconstruction quality
- just noticeable difference
- blind watermarking
- human visual system
- frequency domain
- video codec
- wyner ziv video coding
- stereo image coding
- robust watermarking scheme
- bit plane
- digital images
- bit rate
- classification accuracy
- multiscale
- high quality
- three dimensional
- feature selection