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Shi Yan

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Proceedings Article | 19 November 2019 Paper

Low-cost, high-performance VR delay detection device based on PIN photodiode

Yang Yang, Lei Zhang, Shi Yan, Lei Ning

Proceedings Volume 11184, 111840T (2019) https://doi.org/10.1117/12.2537640

KEYWORDS: Virtual reality, PIN photodiodes, Photodetectors, Visualization, Computer simulations, Head, Image processing, LCDs, Digital image processing, Sensors

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With the rapid development of science and technology, virtual reality (VR) systems have developed rapidly. VR systems can be applied in many fields such as education, medical, military, and probing. According to the survey, the VR system will have a delay in the process of acquisition, transmission and processing, and more than 40% of the human body will have motion sickness after experiencing VR. The cause of motion sickness is delay. Accurate measurement of delays therefore helps to resolve motion sickness in the virtual world and provides guidance for the upgrade of these systems. In response to the existing problems, our research team designed a low-cost, high-performance experimental equipment that uses a single-chip microcomputer and a PIN photodiode as the hardware core of the delay detection device. The light intensity changes are used to determine the start and end of the detection. The algorithm calculates the delay time of the VR device.

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