Fast Supervised LDA for Discovering Micro-Events in Large-Scale Video Datasets.
Angelos KatharopoulosDespoina PaschalidouChristos DiouAnastasios DelopoulosPublished in: ACM Multimedia (2016)
Keyphrases
- video dataset
- action recognition
- video sequences
- video frames
- video data
- video search
- linear discriminant analysis
- video clips
- event models
- latent dirichlet allocation
- face recognition
- topic models
- semi supervised
- feature selection
- feature extraction
- dimensionality reduction
- machine learning
- principal component analysis
- computer vision
- event detection
- multi modal
- generative model
- human actions
- high level
- human activities
- relevance feedback