Shift & 2D Rotation Invariant Sparse Coding for Multivariate Signals.
Quentin BarthelemyAnthony LarueAurélien MayoueDavid MercierJérôme I. MarsPublished in: IEEE Trans. Signal Process. (2012)
Keyphrases
- rotation invariant
- sparse coding
- dictionary learning
- sparse representation
- natural images
- linear combination
- image classification
- texture analysis
- unsupervised learning
- feature vectors
- signal processing
- discriminative power
- texture classification
- generative model
- image representation
- texture features
- local binary pattern
- image patches
- feature space
- visual words
- gabor filters
- multi class
- high dimensional
- higher order
- texture images
- text classification