Keyphrases
- log polar
- space variant
- template matching
- input image
- polar coordinates
- single image
- image analysis
- multiscale
- image classification
- image features
- object recognition
- image regions
- spatial domain
- image segmentation
- image registration
- keypoints
- frequency domain
- image matching
- pixel values
- feature points
- high resolution
- scale invariant
- color images