Abstract
Fire disasters present significant risks, emphasizing the need for effective evacuation drills. Traditional drills in real environments have limitations such as safety risks and poor repeatability. Immersive Virtual Reality (iVR) provides a safer, more engaging alternative, but early iVR-based drills were restricted due to hardware limitations. The advent of mobile virtual reality has overcome some of these restrictions. However, challenges remain in multi-person evacuation scenarios, such as difficulties in relative positioning and the real time interaction of evacuees. This study addresses these issues using pose estimation for accurate positioning in virtual reality devices. Furthermore, we developed a framework for conducting evacuation drills in a real environment using mobile virtual reality, ensuring consistency in participants' visual and perceptual experiences. Subsequently, we designed two experiments to validate this methodology and framework. The experimental results demonstrated that the evacuation process, using pose estimation, effectively eliminates cumulative error, maintaining an approximate error of 0.04 m between the real and virtual environments. Participants also reported having a better experience and found it easier to interact with others during the mobile virtual reality evacuation.
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