Keyphrases
- signal processing
- covariance matrix
- fourier transform
- image processing
- independent component analysis
- computer vision
- pattern recognition
- moment invariants
- quasi invariant
- hardware implementation
- affine invariant
- affine transformation
- filter bank
- pairwise
- invariant features
- watermarking algorithm
- covariance matrices
- geometric transformations
- signal analysis
- invariant representations
- brain computer interface
- knowledge base
- fourier domain
- digital signal processing
- preserving transformations
- neural network