Automated facial expression recognition based on histograms of oriented gradient feature vector differences.
Uros MlakarBozidar PotocnikPublished in: Signal Image Video Process. (2015)
Keyphrases
- facial expression recognition
- feature vectors
- orientation histogram
- feature extraction
- facial expressions
- gabor wavelet representation
- expression recognition
- facial expression analysis
- human computer interaction
- face images
- facial features
- person independent
- local binary pattern
- feature point tracking
- human faces
- face recognition
- feature set
- cohn kanade
- feature space
- image features
- similarity measure
- texture features
- facial images
- facial image analysis
- expression classification
- pose invariant
- head motion
- gabor filters
- support vector machine
- gaussian mixture model
- dimensionality reduction
- active appearance models
- facial action units
- rotation invariant
- image processing