Keyphrases
- low cost
- data acquisition
- wearable devices
- scanning devices
- force feedback
- low power
- rfid tags
- multimedia
- audio visual
- visual feedback
- metal oxide semiconductor
- physical activity
- visual information
- real time
- cellular phone
- lifelog
- digital camera
- digital video
- input device
- signal processing
- audio signals
- audio stream
- augmented reality
- multimedia information
- visual data
- ambient intelligence
- hidden markov models