Summarization of human activity videos via low-rank approximation.
Ioannis MademlisAnastasios TefasNikos NikolaidisIoannis PitasPublished in: ICASSP (2017)
Keyphrases
- k means
- human activities
- low rank approximation
- spectral clustering
- activity recognition
- singular value decomposition
- human computer interaction
- human actions
- low rank
- sensor data
- action recognition
- subspace learning
- adjacency matrix
- nonnegative matrix factorization
- information retrieval
- data dependent
- computer vision
- text categorization
- iterative algorithms
- reconstruction error
- kernel matrix
- latent semantic indexing
- active learning
- dimensionality reduction
- high dimensional data