Computation reduction in cascaded DCT-domain video downscaling transcoding.
Yuh-Ruey LeeChia-Wen LinYen-Wen ChenPublished in: ISCAS (2) (2003)
Keyphrases
- dct domain
- digital video
- video transcoding
- pixel domain
- spatial domain
- transform domain
- post processing
- video data
- compressed domain
- dct coefficients
- video encoder
- video content
- video watermarking
- human visual system
- discrete cosine transform
- jpeg compressed images
- compressed images
- jpeg images
- video analysis
- multimedia
- quantization step
- compressed video
- video sequences
- video frames
- low frequency
- frequency domain
- image blocks
- selection algorithm
- video clips
- signal processing
- bit rate
- wavelet transform
- video conferencing
- video streams