Downsampling versus folding in the DCT domain.
Rémy ProstChaouki DiabPublished in: IEEE Trans. Signal Process. (1996)
Keyphrases
- dct domain
- dct coefficients
- low pass filtering
- post processing
- spatial domain
- transform domain
- digital video
- human visual system
- compressed domain
- compressed images
- discrete cosine transform
- video watermarking
- image resizing
- blocking artifacts
- reference frame
- quantization step
- low frequency
- image blocks
- feature vectors
- macroblock
- wavelet domain
- ground truth
- block dct
- multiresolution