A look-ahead method for pan and zoom detection in video sequences using block-based motion vectors in polar coordinates.
Adriana DumitrasBarry G. HaskellPublished in: ISCAS (3) (2004)
Keyphrases
- video sequences
- motion vectors
- detection method
- motion estimation
- polar coordinates
- detection algorithm
- motion compensation
- reference frame
- multiresolution
- block matching
- computational complexity
- similarity measure
- image sequences
- machine learning
- multiscale
- image retrieval
- optical flow
- image compression
- three dimensional
- macroblock