Keyphrases
- keypoints
- scale invariant feature transform
- image features
- feature detection
- image matching
- sift features
- sift descriptors
- multiscale
- object recognition
- scale invariant
- matching process
- global features
- scale invariant features
- scale space
- visual words
- image transformations
- invariant features
- image pairs
- feature matching
- image content
- input image
- d objects
- high resolution