Stretchable glove for accurate and robust hand pose reconstruction based on comprehensive motion data

Myungsun Park, Taejun Park, Soah Park, Sohee John Yoon, Sumin Helen Koo () and Yong-Lae Park ()
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Myungsun Park: Seoul National University
Taejun Park: Seoul National University
Soah Park: Yonsei University
Sohee John Yoon: Seoul National University
Sumin Helen Koo: Yonsei University
Yong-Lae Park: Seoul National University

Nature Communications, 2024, vol. 15, issue 1, 1-14

Abstract: Abstract We propose a compact wearable glove capable of estimating both the finger bone lengths and the joint angles of the wearer with a simple stretch-based sensing mechanism. The soft sensing glove is designed to easily stretch and to be one-size-fits-all, both measuring the size of the hand and estimating the finger joint motions of the thumb, index, and middle fingers. The system was calibrated and evaluated using comprehensive hand motion data that reflect the extensive range of natural human hand motions and various anatomical structures. The data were collected with a custom motion-capture setup and transformed into the joint angles through our post-processing method. The glove system is capable of reconstructing arbitrary and even unconventional hand poses with accuracy and robustness, confirmed by evaluations on the estimation of bone lengths (mean error: 2.1 mm), joint angles (mean error: 4.16°), and fingertip positions (mean 3D error: 4.02 mm), and on overall hand pose reconstructions in various applications. The proposed glove allows us to take advantage of the dexterity of the human hand with potential applications, including but not limited to teleoperation of anthropomorphic robot hands or surgical robots, virtual and augmented reality, and collection of human motion data.

Date: 2024
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DOI: 10.1038/s41467-024-50101-w

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