Optimized DCT domain motion vector estimation in frame skipped transcoding.
ShouWen LaiLi FenPublished in: ICME (2004)
Keyphrases
- dct domain
- motion vectors
- pixel domain
- macroblock
- reference frame
- compressed domain
- dct coefficients
- motion estimation
- transform domain
- video coding
- bit rate
- motion compensation
- video sequences
- video data
- post processing
- spatial domain
- bitstream
- video transcoding
- coding efficiency
- digital video
- motion field
- rate distortion
- compressed images
- computational complexity
- block matching
- prediction error
- video conferencing
- error concealment
- block size
- blocking artifacts
- rate control
- discrete cosine transform
- super resolution
- low complexity
- video coding standard
- search algorithm
- motion compensated
- inter frame
- video frames
- image quality
- video analysis
- low frequency
- frame rate
- mode decision
- frequency domain
- visual quality
- image blocks
- video codec
- selection algorithm
- distributed video coding
- human visual system
- computer vision