Down-Sampling Design in DCT Domain With Arbitrary Ratio for Image/Video Transcoding.
Xiang YuEn-Hui YangHaiquan WangPublished in: IEEE Trans. Image Process. (2009)
Keyphrases
- dct domain
- low pass filtering
- video transcoding
- post processing
- image blocks
- spatial domain
- low frequency
- input image
- transform domain
- dct coefficients
- image data
- image representation
- compressed domain
- discrete cosine transform
- human visual system
- reference frame
- image classification
- image retrieval
- multiscale
- digital video
- high resolution
- bit rate
- low level
- test images
- image quality