A novel DCT domain transcoder for transcoding video streams with half-pixel motion vectors.
Gang CaoZhijun LeiJintao LiNicolas D. GeorganasZhenmin ZhuPublished in: Real Time Imaging (2004)
Keyphrases
- video streams
- dct domain
- motion vectors
- video data
- compressed domain
- macroblock
- video transcoding
- pixel domain
- digital video
- compressed video
- dct coefficients
- reference frame
- video sequences
- motion compensation
- transform domain
- image blocks
- video coding
- bit rate
- motion estimation
- video content
- video compression
- block matching
- motion field
- video analysis
- video frames
- error concealment
- human visual system
- coding efficiency
- multimedia
- computational complexity
- video objects
- block size
- rate distortion
- video coding standard
- post processing
- prediction error
- key frames
- visual quality
- bitstream
- spatial domain
- discrete cosine transform
- motion compensated
- wyner ziv
- video transmission
- feature extraction
- computer vision
- error resilience
- bit plane
- high quality
- video quality