Keyphrases
- scale invariant
- edge detection
- salient regions
- multiscale
- scale space
- natural images
- keypoints
- affine invariant
- scale invariance
- edge detector
- image processing
- object class recognition
- local binary pattern
- image structure
- interest point detectors
- feature transformation
- invariant features
- translation and scale invariant
- image segmentation
- texture images
- zero crossing
- gaussian derivatives
- affine transformation
- b spline
- feature points
- pattern recognition
- scale invariant features