Ms. Kaiqian Wang Profile

Kaiqian Wang

at Beijing Univ of Posts and Telecommunications

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Proceedings Article | 24 November 2021 Paper

Performance evaluation of 3D light field display based on air traffic control task

Kaiqian Wang, Xinzhu Sang, Jinhui Yuan, Binbin Yan, Peng Wang, Duo Chen

Proceedings Volume 12066, 1206613 (2021) https://doi.org/10.1117/12.2606167

KEYWORDS: 3D displays, Visualization, Information visualization, 3D metrology, Stereoscopic displays, 3D image processing, 3D image reconstruction, Statistical analysis, Radar, Glasses

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3D light field display (LFD) which can reconstruct the emitted light field of objects in real world, provides human with natural 3D visual experience in the way of humans observing the real world without any glasses, and has attracted more and more attentions in recent years. However, most of the researches on 3D LFD focus on the improvement of display performance, and there are few researches on the performance evaluation of 3D LFD. In this paper, a 3D LFD performance evaluation method is proposed based on the performance measurement of air traffic control (ATC) task. ATC task is a comprehensive visual cognitive task, in which controllers need to obtain a lot of visual information to identify the aircraft collision situation in the dynamic scene as quickly as possible. The experimental independent variables were display conditions, including 2D display and 3D LFD with a viewing angle of 85 degrees. The number of misjudgments as well as the time taken to complete the task for different groups were counted. In order to decrease the influence of individual differences and learning effects on the 2D/3D experimental results, 15 subjects are tested in random order. The time interval between the two experiments was 5-7 days of each person. The superiority of the 3D LFD is demonstrated quantitatively by comparing results under different experimental conditions and using a statistical analysis method called the T-test.

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