Keyphrases
- local binary pattern
- multiscale
- texture classification
- rotation invariant
- illumination invariant
- texture descriptors
- image representation
- natural images
- scale space
- wavelet transform
- scale invariant
- image segmentation
- face recognition
- feature descriptors
- texture information
- sparse representation
- spatial information
- texture analysis
- image processing
- facial expression recognition
- geometric moments
- preprocessing
- binary patterns
- feature extraction
- background subtraction
- face detection
- image classification
- image texture