Rate-distortion optimized DCT-domain video transcoder for bit-rate reduction of MPEG videos.
Wen-Nung LieMing-Lun TsaiTom C.-I. LinPublished in: ICASSP (5) (2004)
Keyphrases
- video transcoding
- bit rate
- dct domain
- bitstream
- pixel domain
- coding efficiency
- rate distortion
- macroblock
- compressed domain
- compressed video
- video coding
- motion vectors
- video encoding
- video data
- digital video
- low bit rate
- video analysis
- inter frame
- visual quality
- video sequences
- video quality
- scalable video coding
- video frames
- subband
- video signals
- video transmission
- low complexity
- transform domain
- video content
- dct coefficients
- post processing
- image quality
- coding scheme
- spatial domain
- human visual system
- rate control
- video coding standard
- coding method
- compression efficiency
- reconstructed image
- mode decision
- reference frame
- discrete cosine transform
- motion estimation
- motion compensation
- computational complexity
- motion compensated
- compressed images
- bit allocation
- video compression
- video objects
- image blocks
- low frequency
- compression algorithm
- image data
- block size
- transform coefficients
- video streaming
- multimedia
- high quality