Multigrid Predictive Filter Flow for Unsupervised Learning on Videos.
Shu KongCharless C. FowlkesPublished in: CoRR (2019)
Keyphrases
- unsupervised learning
- flow field
- video sequences
- multiresolution
- image analysis
- dimensionality reduction
- supervised learning
- video frames
- deep learning
- expectation maximization
- feature selection
- video surveillance
- flow patterns
- feature extraction
- boundary conditions
- data sets
- deep architectures
- noise reduction
- video content
- human activities
- computationally expensive
- video data
- model selection
- semi supervised
- object recognition
- multiscale
- key frames
- partial differential equations
- level set
- video database
- median filter