Gait-Watch: A Gait-based context-aware authentication system for smart watch via sparse coding.
Weitao XuYiran ShenChengwen LuoJianqiang LiWei LiAlbert Y. ZomayaPublished in: Ad Hoc Networks (2020)
Keyphrases
- context aware
- sparse coding
- smart environments
- dictionary learning
- smart spaces
- sparse representation
- context awareness
- contextual information
- natural images
- mobile devices
- ubiquitous computing
- ambient intelligence
- image classification
- mobile users
- context aware systems
- generative model
- unsupervised learning
- linear combination
- visual words
- image representation
- image patches
- bag of words
- smart home
- current context
- higher order
- high dimensional
- learning algorithm
- data sets
- sparse codes
- signal processing
- information retrieval