Keyphrases
- orthogonal moments
- orthogonal fourier mellin
- zernike moments
- pseudo zernike moments
- moment invariants
- polar coordinates
- orthogonal polynomials
- feature extraction
- scale and rotation invariant
- krawtchouk moments
- fourier transform
- object representation
- rotation invariant
- fourier descriptors
- pattern recognition
- basis functions
- rotation invariance
- image reconstruction
- feature vectors