Smartphone-Based Social Distance Detection Technology with Near-Ultrasonic Signal.
Naizheng JiaHaoran ShuXinheng WangBowen XuYuzhang XiCan XueYouming LiuZhi WangPublished in: Sensors (2022)
Keyphrases
- signal detection
- matched filter
- detection method
- low signal to noise ratio
- rapid development
- case study
- false alarms
- social interaction
- detection rate
- false positives
- frequency domain
- signal processing
- mobile devices
- object detection
- distance measure
- automatic detection
- signal to noise ratio
- cyber infrastructure
- social issues
- cost effective
- detection algorithm
- social networks
- high frequency
- euclidean distance
- distance metric
- anomaly detection
- social media
- compressive sensing
- social context
- computer systems
- social networking
- distance function
- non stationary
- skill development
- technological innovations
- data processing