Visual learning of texture descriptors for facial expression recognition in thermal imagery.
Benjamín HernándezGustavo OlagueRiad I. HammoudLeonardo TrujilloEva RomeroPublished in: Comput. Vis. Image Underst. (2007)
Keyphrases
- visual learning
- facial expression recognition
- texture descriptors
- local binary pattern
- texture classification
- texture analysis
- face recognition
- multiscale
- feature extraction
- facial expressions
- texture features
- spatial information
- texture information
- rotation invariant
- background subtraction
- face detection
- feature descriptors
- gabor filters
- feature selection
- human computer interaction
- human faces
- cbir systems
- facial features
- texture images
- user interface
- pattern recognition
- object recognition
- image sequences
- video sequences
- image database
- multiresolution
- data sets
- unsupervised learning
- maximum likelihood