A spiral search algorithm for fast estimation of block motion vectors.
Theodore B. ZahariadisDemetris KalivasPublished in: EUSIPCO (1996)
Keyphrases
- motion vectors
- block matching
- search algorithm
- block motion estimation
- motion estimation
- block size
- motion compensation
- block matching algorithms
- block matching algorithm
- video coding
- video sequences
- neighboring blocks
- motion estimation algorithm
- macroblock
- search range
- video data
- block based motion estimation
- bit rate
- motion field
- overlapped block motion compensation
- computational complexity
- compressed domain
- reference frame
- variable block size motion estimation
- error concealment
- prediction error
- motion compensated
- coding efficiency
- estimation accuracy
- dct coefficients
- accurate estimation
- error criterion
- video compression
- video coding standard
- high definition video
- multiresolution
- optical flow
- image data
- motion model
- diamond search
- dense motion field
- video frames
- selection algorithm
- motion prediction
- inter frame
- blocking artifacts
- image blocks
- image sequences