Unsupervised Emotional Scene Detection for Lifelog Video Retrieval based on Gaussian Mixture Model.
Hiroki NomiyaAtsushi MorikuniTeruhisa HochinPublished in: KES (2013)
Keyphrases
- video retrieval
- gaussian mixture model
- lifelog
- video indexing
- content based retrieval
- mixture model
- feature vectors
- expectation maximization
- video sequences
- video data
- em algorithm
- video database
- maximum likelihood
- key frames
- retrieval systems
- video segments
- video clips
- background subtraction
- video shots
- unsupervised learning
- video content
- supervised learning
- visual surveillance
- semi supervised
- image sequences
- feature space
- machine learning
- video surveillance
- three dimensional
- metadata
- feature extraction
- probabilistic model
- moving objects