Inter-block filtering and downsampling in DCT domain.
Alessandro NeriGiuseppe RussoPaolo TalonePublished in: Signal Process. Image Commun. (1994)
Keyphrases
- dct domain
- dct coefficients
- block dct
- discrete cosine transform
- image blocks
- transform domain
- blocking artifacts
- compressed domain
- spatial domain
- low pass filtering
- post processing
- jpeg compression
- compressed images
- human visual system
- jpeg images
- digital video
- image resizing
- quantization step
- block boundaries
- feature vectors
- macroblock
- watermark detection
- video transcoding
- frequency domain
- image compression
- low frequency
- motion vectors
- bit rate
- motion estimation
- image data
- multiresolution
- multiscale
- computer vision