Device-free indoor localization based on sparse coding with nonconvex regularization and adaptive relaxation localization criteria.
Kangkang ZhangBenying TanShuxue DingYujie LiGuangwei LiPublished in: Int. J. Mach. Learn. Cybern. (2023)
Keyphrases
- wireless networks
- indoor localization
- sparse coding
- wifi
- dictionary learning
- natural images
- sparse representation
- linear combination
- image classification
- signal strength
- indoor environments
- base station
- unsupervised learning
- fall detection
- image representation
- norm minimization
- generative model
- image patches
- feature space
- visual words
- convex optimization
- test images
- signal processing
- high dimensional
- multiscale