Investigating the Performance of Gesture-Based Input for Mid-Air Text Entry in a Virtual Environment: A Comparison of Hand-Up versus Hand-Down Postures

Although the interaction technology for virtual reality (VR) systems has evolved significantly over the past years, the text input efficiency in the virtual environment is still an ongoing problem. We deployed a word-gesture text entry technology based on gesture recognition in the virtual environme...

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Published inSensors (Basel, Switzerland) Vol. 21; no. 5; p. 1582
Main Authors Wang, Yahui, Wang, Yueyang, Chen, Jingzhou, Wang, Yincheng, Yang, Jie, Jiang, Ting, He, Jibo
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 24.02.2021
MDPI
Subjects
Design
Efficiency
Experiments
gesture recognition
Gestures
Hand
Humans
Interactive computer systems
Keyboards
Methods
Posture
subjective experience
task workload
typing performance
User experience
User-Computer Interface
Virtual Reality
word-gesture text entry technology
Workloads
subjective experience
virtual reality
gesture recognition
word-gesture text entry technology
task workload
typing performance
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Abstract Although the interaction technology for virtual reality (VR) systems has evolved significantly over the past years, the text input efficiency in the virtual environment is still an ongoing problem. We deployed a word-gesture text entry technology based on gesture recognition in the virtual environment. This study aimed to investigate the performance of the word-gesture text entry technology with different input postures and VR experiences in the virtual environment. The study revealed that the VR experience (how long or how often using VR) had little effect on input performance. The hand-up posture has a better input performance when using word-gesture text entry technology in a virtual environment. In addition, the study found that the perceived exertion to complete the text input with word-gesture text entry technology was relatively high. Furthermore, the typing accuracy and perceived usability for using the hand-up posture were obviously higher than that for the hand-down posture. The hand-up posture also had less task workload than the hand-down posture. This paper supports that the word-gesture text entry technology with hand-up posture has greater application potential than hand-down posture.
AbstractList Although the interaction technology for virtual reality (VR) systems has evolved significantly over the past years, the text input efficiency in the virtual environment is still an ongoing problem. We deployed a word-gesture text entry technology based on gesture recognition in the virtual environment. This study aimed to investigate the performance of the word-gesture text entry technology with different input postures and VR experiences in the virtual environment. The study revealed that the VR experience (how long or how often using VR) had little effect on input performance. The hand-up posture has a better input performance when using word-gesture text entry technology in a virtual environment. In addition, the study found that the perceived exertion to complete the text input with word-gesture text entry technology was relatively high. Furthermore, the typing accuracy and perceived usability for using the hand-up posture were obviously higher than that for the hand-down posture. The hand-up posture also had less task workload than the hand-down posture. This paper supports that the word-gesture text entry technology with hand-up posture has greater application potential than hand-down posture.Although the interaction technology for virtual reality (VR) systems has evolved significantly over the past years, the text input efficiency in the virtual environment is still an ongoing problem. We deployed a word-gesture text entry technology based on gesture recognition in the virtual environment. This study aimed to investigate the performance of the word-gesture text entry technology with different input postures and VR experiences in the virtual environment. The study revealed that the VR experience (how long or how often using VR) had little effect on input performance. The hand-up posture has a better input performance when using word-gesture text entry technology in a virtual environment. In addition, the study found that the perceived exertion to complete the text input with word-gesture text entry technology was relatively high. Furthermore, the typing accuracy and perceived usability for using the hand-up posture were obviously higher than that for the hand-down posture. The hand-up posture also had less task workload than the hand-down posture. This paper supports that the word-gesture text entry technology with hand-up posture has greater application potential than hand-down posture.
Although the interaction technology for virtual reality (VR) systems has evolved significantly over the past years, the text input efficiency in the virtual environment is still an ongoing problem. We deployed a word-gesture text entry technology based on gesture recognition in the virtual environment. This study aimed to investigate the performance of the word-gesture text entry technology with different input postures and VR experiences in the virtual environment. The study revealed that the VR experience (how long or how often using VR) had little effect on input performance. The hand-up posture has a better input performance when using word-gesture text entry technology in a virtual environment. In addition, the study found that the perceived exertion to complete the text input with word-gesture text entry technology was relatively high. Furthermore, the typing accuracy and perceived usability for using the hand-up posture were obviously higher than that for the hand-down posture. The hand-up posture also had less task workload than the hand-down posture. This paper supports that the word-gesture text entry technology with hand-up posture has greater application potential than hand-down posture.
Author Jiang, Ting
Wang, Yahui
Chen, Jingzhou
He, Jibo
Wang, Yueyang
Wang, Yincheng
Yang, Jie
AuthorAffiliation 3 School of Psychology, Northwest Normal University, Lanzhou 730070, China
2 Faculty of Psychology, Beijing Normal University, Beijing 100875, China; 201828061046@mail.bun.edu.cn (Y.W.); psytingjiang@gmail.com (T.J.)
1 Department of Psychology, Tsinghua University, Beijing 100084, China; yhwangmn@163.com (Y.W.); tan9ochen@gmail.com (J.C.); wang-yc18@mails.tsinghua.edu.cn (Y.W.); nemoyj1989@126.com (J.Y.)
AuthorAffiliation_xml – name: 1 Department of Psychology, Tsinghua University, Beijing 100084, China; yhwangmn@163.com (Y.W.); tan9ochen@gmail.com (J.C.); wang-yc18@mails.tsinghua.edu.cn (Y.W.); nemoyj1989@126.com (J.Y.)
– name: 3 School of Psychology, Northwest Normal University, Lanzhou 730070, China
– name: 2 Faculty of Psychology, Beijing Normal University, Beijing 100875, China; 201828061046@mail.bun.edu.cn (Y.W.); psytingjiang@gmail.com (T.J.)
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task workload
typing performance
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Snippet Although the interaction technology for virtual reality (VR) systems has evolved significantly over the past years, the text input efficiency in the virtual...
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StartPage 1582
SubjectTerms Design
Efficiency
Experiments
gesture recognition
Gestures
Hand
Humans
Interactive computer systems
Keyboards
Methods
Posture
subjective experience
task workload
typing performance
User experience
User-Computer Interface
Virtual Reality
word-gesture text entry technology
Workloads
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Title Investigating the Performance of Gesture-Based Input for Mid-Air Text Entry in a Virtual Environment: A Comparison of Hand-Up versus Hand-Down Postures
URI https://www.ncbi.nlm.nih.gov/pubmed/33668275
https://www.proquest.com/docview/2494071736
https://www.proquest.com/docview/2498498669
https://pubmed.ncbi.nlm.nih.gov/PMC7956291
https://doaj.org/article/e51c6090decd428b9f89df2ab8b7cd1d
Volume 21
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