Keyphrases
- decision trees
- gesture recognition
- augmented reality
- ambient intelligence
- ubiquitous computing
- wearable devices
- computer vision
- physical activity
- accelerometer data
- activity recognition
- human computer interaction
- sensor networks
- machine learning
- low cost
- lifelog
- hands free
- context aware
- user interface
- video camera
- three dimensional
- data mining
- databases