Efficient motion vector re-estimation for MPEG-2 TO H.264/AVC transcoding with arbitrary down-sizing ratios.
Qiang TangPanos NasiopoulosRabab Kreidieh WardPublished in: ICIP (2009)
Keyphrases
- compressed domain
- motion vectors
- macroblock
- video coding standard
- bit rate
- compressed video
- bitstream
- video coding
- motion compensation
- video transcoding
- pixel domain
- motion estimation
- dct domain
- video sequences
- coded video
- error concealment
- coding efficiency
- rate distortion
- video quality
- video codec
- computational complexity
- discrete cosine transform
- video analysis
- block matching
- dct coefficients
- visual quality
- video data
- transform domain
- reference frame
- motion compensated
- motion field
- video compression
- motion estimation algorithm
- advanced video coding
- compression efficiency
- block size
- compression standards
- prediction error
- inter frame
- intra frame
- motion compensated frame interpolation
- error resilience
- video coder
- video objects
- coding method
- distributed video coding
- low bit rate
- rate control
- digital video
- prediction scheme
- packet loss
- variable block size
- image coding
- image compression
- optical flow
- three dimensional