Keyphrases
- machine learning
- detection algorithm
- object detection
- machine learning methods
- automatic detection
- pattern recognition
- information extraction
- physical activity
- activity recognition
- false positives
- sensor networks
- decision trees
- supervised learning
- data sets
- false alarms
- artificial intelligence
- low cost
- text mining
- natural language processing
- anomaly detection
- active learning
- detection method
- machine learning algorithms
- knowledge acquisition
- feature selection
- computer vision
- ubiquitous computing
- machine learning approaches
- explanation based learning