학술논문

Exploring Users Pointing Performance on Large Displays with Different Curvatures in Virtual Reality
Document Type
Periodical
Source
IEEE Transactions on Visualization and Computer Graphics IEEE Trans. Visual. Comput. Graphics Visualization and Computer Graphics, IEEE Transactions on. 29(11):4535-4545 Nov, 2023
Subject
Computing and Processing
Bioengineering
Signal Processing and Analysis
Task analysis
Performance evaluation
Visualization
Data visualization
Focusing
Error analysis
Throughput
Virtual Large Display
Pointing Performance
Display Curvatures
Fitts Law
Language
ISSN
1077-2626
1941-0506
2160-9306
Abstract
Large curved displays inside Virtual Reality environments are becoming popular for visualizing high-resolution content during analytical tasks, gaming or entertainment. Prior research showed that such displays provide a wide field of view and offer users a high level of immersion. However, little is known about users' performance (e.g., pointing speed and accuracy) on them. We explore users' pointing performance on large virtual curved displays. We investigate standard pointing factors (e.g., target width and amplitude) in combination with relevant curve-related factors, namely display curvature and both linear and angular measures. Our results show that the less curved the display, the higher the performance, i.e., faster movement time. This result holds for pointing tasks controlled via their visual properties (linear widths and amplitudes) or their motor properties (angular widths and amplitudes). Additionally, display curvatures significantly affect the error rate for both linear and angular conditions. Furthermore, we observe that curved displays perform better or similar to flat displays based on throughput analysis. Finally, we discuss our results and provide suggestions regarding pointing tasks on large curved displays in VR.