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Improvement of Gesture Recognition using 2-stage HMM
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 Title & Authors
Improvement of Gesture Recognition using 2-stage HMM
Jung, Hwon-Jae; Park, Hyeonjun; Kim, Donghan;
 
 Abstract
In recent years in the field of robotics, various methods have been developed to create an intimate relationship between people and robots. These methods include speech, vision, and biometrics recognition as well as gesture-based interaction. These recognition technologies are used in various wearable devices, smartphones and other electric devices for convenience. Among these technologies, gesture recognition is the most commonly used and appropriate technology for wearable devices. Gesture recognition can be classified as contact or noncontact gesture recognition. This paper proposes contact gesture recognition with IMU and EMG sensors by using the hidden Markov model (HMM) twice. Several simple behaviors make main gestures through the one-stage HMM. It is equal to the Hidden Markov model process, which is well known for pattern recognition. Additionally, the sequence of the main gestures, which comes from the one-stage HMM, creates some higher-order gestures through the two-stage HMM. In this way, more natural and intelligent gestures can be implemented through simple gestures. This advanced process can play a larger role in gesture recognition-based UX for many wearable and smart devices.
 Keywords
gesture recognition;hidden markov model;electromyography;inertial measurement unit;human-robot interaction;wearable devices;sensor fusion;
 Language
Korean
 Cited by
 References
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