Keyphrases
- scale invariant
- density function
- class conditional
- probability density function
- density estimation
- mean shift
- affine invariant
- natural images
- scale space
- keypoints
- multiscale
- local binary pattern
- image structure
- invariant features
- higher order
- texture images
- texture classification
- image analysis
- image sequences
- particle filter
- image features
- face recognition