Block-Sparse Coding-Based Machine Learning Approach for Dependable Device-Free Localization in IoT Environment.
Lingjun ZhaoHuakun HuangChunhua SuShuxue DingHuawei HuangZhiyuan TanZhenni LiPublished in: IEEE Internet Things J. (2021)
Keyphrases
- gaussian mixture model
- sparse coding
- machine learning
- visual words
- feature space
- dictionary learning
- natural images
- unsupervised learning
- sparse representation
- image classification
- expectation maximization
- linear combination
- generative model
- image representation
- feature selection
- single image super resolution
- sparse codes
- pattern recognition
- image patches
- discriminative power
- person re identification
- decision trees
- learning algorithm
- natural language processing
- kernel methods
- low resolution
- cloud computing
- high quality
- data mining
- signal processing
- higher order
- text mining
- active learning
- object category recognition