Entropy-based audio watermarking using singular value decomposition and log-polar transformation.
Pranab Kumar DharTetsuya ShimamuraPublished in: MWSCAS (2013)
Keyphrases
- singular value decomposition
- log polar
- space variant
- affine invariance
- spatial domain
- singular values
- template matching
- fourier transform
- least squares
- log log
- dimensionality reduction
- image registration
- feature detection
- frequency domain
- scale invariant
- image patches
- principal component analysis
- input image
- ego motion
- image restoration
- scale space
- image features
- multiscale
- image sequences