Semi-Supervised Dictionary Learning of Sparse Representations for Emotion Recognition.
Markus KächeleFriedhelm SchwenkerPublished in: PSL (2013)
Keyphrases
- emotion recognition
- dictionary learning
- semi supervised
- sparse representation
- sparse coding
- semi supervised learning
- audio visual
- human computer interaction
- face recognition
- facial expressions
- labeled data
- unsupervised learning
- pairwise
- active learning
- generative model
- image patches
- image classification
- compressive sensing
- supervised learning
- signal processing
- single image super resolution
- emotional state
- dimensionality reduction
- facial images
- negative matrix factorization
- image representation
- high dimensional data
- text mining
- group sparsity
- visual features
- face images