Gradient-based motion vector estimation using variable block shape.
Masatoshi HinoNozomu HamadaPublished in: EUSIPCO (2002)
Keyphrases
- motion vectors
- block matching
- block size
- motion estimation
- motion compensation
- overlapped block motion compensation
- block matching algorithm
- neighboring blocks
- search range
- motion estimates
- video sequences
- motion estimation algorithm
- video coding
- motion field
- bit rate
- video data
- reference frame
- macroblock
- computational complexity
- error concealment
- compressed domain
- motion compensated frame interpolation
- motion compensated
- accurate estimation
- video compression
- optical flow
- prediction error
- prediction scheme
- dct coefficients
- rate distortion
- frame interpolation
- shape matching
- intra frame
- coding efficiency
- variable block size
- rigid motion
- diamond search
- temporal error concealment
- search algorithm