Down-sampling in DCT domain using linear transform with double-sided multiplication for image/video transcoding.
Xiang YuEn-Hui YangHaiquan WangPublished in: ICASSP (2008)
Keyphrases
- dct domain
- linear transform
- video transcoding
- post processing
- image blocks
- low frequency
- spatial domain
- transform domain
- dct coefficients
- human visual system
- component analysis
- input image
- digital video
- discrete cosine transform
- compressed domain
- image representation
- image data
- high frequency
- reference frame
- image classification
- multiscale
- frequency domain
- image segmentation
- digital images
- image regions
- image retrieval
- image compression
- ground truth
- high resolution