Air-writing via Receiver Array Based Ultrasonic Source Localization

Computer Science

• Source Localization 100%
• Receiver Array 100%
• direction-of-arrival 100%
• Classifier 75%
• Classification Accuracy 50%
• Phase Difference 50%
• Machine Learning 25%
• Estimation Algorithm 25%
• Recognition Algorithm 25%
• Processing Speed 25%
• Processing Time 25%

Engineering

• Ultrasonics 100%
• Phase Difference 66%
• Direction-of-Arrival Estimation 66%
• Classification Accuracy 66%
• Direction of Arrival 66%
• Array Element 33%
• Measured Phase 33%
• Demonstrates 33%
• Human-Machine Interaction 33%
• Processing Time 33%

Keyphrases

• Air-writing 100%
• Writing Systems 80%
• Training-free 40%
• Text Recognition 40%
• Ultrasonic Transmitter 20%
• Ultrasonic Receiver 20%
• Letter Classification 20%
• Text Recognition Algorithm 20%
• Restricted Matching 20%
• Processing Accuracy 20%