Keyphrases
- moment invariants
- image analysis
- fourier descriptors
- image normalization
- rotation invariance
- zernike moments
- complex moments
- image features
- affine transformation
- image retrieval
- image classification
- image representation
- feature vectors
- pattern recognition
- image segmentation
- keypoints
- multiscale
- input image
- affine moment invariants
- frequency domain
- invariance properties
- polar coordinates
- invariant features
- efficient implementation
- image matching
- computer vision
- feature points
- high resolution
- image processing