Explaining Motion Relevance for Activity Recognition in Video Deep Learning Models.
Liam HileyAlun D. PreeceYulia HicksSupriyo ChakrabortyPrudhvi GurramRichard TomsettPublished in: CoRR (2020)
Keyphrases
- activity recognition
- learning models
- motion features
- body motions
- human activity recognition
- human activities
- accelerometer data
- action recognition
- machine learning
- space time
- learning algorithm
- loss function
- semi supervised learning
- human actions
- activity analysis
- learning tasks
- machine learning algorithms
- learning problems
- conditional random fields
- key frames
- information retrieval
- transfer learning
- similarity measure
- classification models
- motion patterns
- video shots
- video sequences
- video data
- data sets
- hidden markov models
- human motion
- image sequences
- computer vision
- prior knowledge