Part-Based Shape Recognition Using Gradient Vector Field Histograms.
Wooi-Boon GohKai-Yun ChanPublished in: CAIP (2003)
Keyphrases
- vector field
- gradient field
- scalar field
- optical flow
- motion field
- velocity field
- critical points
- displacement field
- external force
- gray scale
- image gradient
- optical flow estimation
- orientation histogram
- differential operators
- gradient vector flow
- structure tensor
- image processing
- shape representation
- shape prior
- image sequences