Fast and stable computation of higher-order Hahn polynomials and Hahn moment invariants for signal and image analysis.
Achraf DaouiHicham KarmouniMhamed SayyouriHassan QjidaaPublished in: Multim. Tools Appl. (2021)
Keyphrases
- krawtchouk moments
- moment invariants
- higher order
- orthogonal moments
- image analysis
- zernike moments
- orthogonal polynomials
- high order
- pattern recognition
- action classification
- polar coordinates
- pseudo zernike moments
- signal processing
- affine transformation
- pairwise
- rotation invariance
- feature extraction
- image processing
- fourier descriptors
- scale and rotation invariant
- view independent
- feature vectors
- rotation invariant
- shape descriptors
- image reconstruction
- neural network
- image segmentation
- complex moments
- computer vision
- image classification
- face recognition
- efficient implementation
- frequency domain
- natural images
- scale space