Keyphrases
- primal sketch
- scale space
- multiscale
- scale spaces
- gaussian scale space
- multiple scales
- critical points
- scale invariant
- image structure
- edge detector
- gaussian kernel
- middle level
- image features
- image analysis
- mathematical theory
- scale selection
- deep structure
- keypoints
- vector valued
- natural images
- image segmentation
- diffusion equation
- low level
- object recognition