Keyphrases
- rotation invariant
- face recognition
- local binary pattern
- gabor wavelets
- texture classification
- rotation invariance
- computer vision
- texture analysis
- face images
- feature vectors
- three dimensional
- texture features
- scale invariance
- thinning algorithm
- dominant orientation
- human faces
- feature extraction
- multiscale
- zernike moments
- dt cwt
- steerable pyramid
- texture image retrieval
- scale invariant
- texture images
- scale and rotation invariant
- discriminant analysis
- spatial information
- face detection
- facial expressions
- steerable filters
- pattern recognition
- principal component analysis
- shape context
- scale space
- sparse representation
- moment invariants
- background subtraction