Keyphrases
- fine grained
- multiscale
- coarse grained
- keypoints
- template matching
- image representation
- edge detection
- image matching
- image features
- feature points
- affine invariant
- image segmentation
- input image
- tightly coupled
- scale space
- matching process
- multiple scales
- spatial color
- image set
- false matches
- image classification
- image retrieval
- matching algorithm
- access control
- image processing
- databases
- pairwise
- privacy policies
- search engine