Exploring the optimal proportion range of gesture input keyboard in virtual reality based on human factors engineering

Abstract: With the rapid development of virtual reality ( VR ) technology, reducing users ' fatigue and cognitive load has become the focus of future attention in this field. At the same time, in virtual interaction, the quality of information input is directly related to the overall experience of users. However, at present, users are facing challenges such as low efficiency and poor experience when wearing head-mounted display ( HMD ) and using gesture recognition for game or text input for interactive experience. We hope to improve this situation through research. This study takes the Chinese youth group as the main research object, reveals the deep-seated causes of the problem through in-depth analysis of the existing VR keyboard and gesture input methods, and seeks solutions through experimental methods. The data comes from the selected youth group wearing the Oculus Quest 2 head-mounted display, and the experiment of finger kneading typing input in the virtual space, and then the heat map technology is used to accurately process and analyze the data to determine the best keyboard length-width ratio and pixel range. By comparing the experimental data, the research conclusion clearly shows the significant advantages of the optimized virtual keyboard compared with the gesture recognition method.In terms of research significance, this study not only provides new insights for the academic community by optimizing virtual keyboard design, but also lays a solid foundation for improving user experience and promoting the wide application of virtual reality technology. It is expected to become an important reference in the field of virtual reality technology in the future.

Keywords: Text input, Virtual keyboard, Human factors engineering, Virtual reality technology

DOI: 10.54941/ahfe1005452

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