Motion vector refinement for video downsampling in the DCT domain.
Kwang-deok SeoJae-Kyoon KimPublished in: IEEE Signal Process. Lett. (2002)
Keyphrases
- dct domain
- motion vectors
- compressed domain
- pixel domain
- video sequences
- video data
- dct coefficients
- macroblock
- digital video
- video watermarking
- reference frame
- compression standards
- motion compensation
- video coding
- video analysis
- low pass filtering
- motion estimation
- transform domain
- spatial domain
- video content
- compressed images
- bit rate
- motion field
- post processing
- video streams
- block matching
- human visual system
- video coding standard
- discrete cosine transform
- coding efficiency
- prediction error
- rate distortion
- error concealment
- high definition
- inter frame
- multimedia
- key frames
- video frames
- video shots
- video compression
- bitstream
- computational complexity
- frequency domain
- image sequences
- high quality
- moving objects
- blocking artifacts
- visual quality
- intra prediction
- search algorithm
- video quality
- motion compensated
- three dimensional