Facial Action Recognition using sparse appearance descriptors and their pyramid representations.
Bihan JiangMichel F. ValstarMaja PanticPublished in: ICCSW (2011)
Keyphrases
- appearance descriptors
- facial actions
- bag of features
- high dimensional
- facial expressions
- multiresolution
- image representation
- scale space
- machine learning
- action recognition
- sparse representation
- image classification
- input image
- human subjects
- viewpoint
- visual features
- facial images
- video sequences
- image segmentation