期刊
MULTIMEDIA TOOLS AND APPLICATIONS
卷 79, 期 25-26, 页码 17707-17730出版社
SPRINGER
DOI: 10.1007/s11042-019-08520-1
关键词
Gesture-based interactive system; Motion tracking; Gesture recognition
类别
资金
- DOD [W911NF-16-2-0016]
Hand gestures are a natural and intuitive form for human-environment interaction and can be used as an input alternative in human-computer interaction (HCI) to enhance usability and naturalness. Many existing approaches have employed vision -based systems to detect and recognize hand gestures. However, vision-based systems usually require users to move their hands within restricted space, where the optical device can capture the motion of hands. Also, vision-based systems may suffer from self-occlusion issues due to sophisticated finger movements. In this work, we use a sensor-based motion tracking system to capture 3D hand and finger motions. To detect and recognize hand gestures, we propose a novel angular-velocity method, which is directly applied to real-time 3D motion data streamed by the sensor-based system. Our approach is capable of recognizing both static and dynamic gestures in real-time. We assess the recognition accuracy and execution performance with two interactive applications that require gesture input to interact with the virtual environment. Our experimental results show high recognition accuracy, high execution performance, and high-levels of usability.
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