Transforming reality into photorealistic Virtual Reality with laser scanning

Author:Reka Vasszi

While Virtual Reality (VR) is commonly associated with video games, it is shaping many industries by opening a vast array of new possibilities to sell products, experience places or train employees. VR has multiple applications based on the ability to immerse users in a safe virtual world and fully experience a different environment by involving most senses.

虚拟现实有限公司中的现实。(RiVR), a developer of VR experiences in England, is enhancing the way humans learn by offering immersive training and educational programmes for all industries. VR-based training programmes can immerse users in realistic situations, such as crime or fire scenes, that cannot be reproduced easily in real life.

RIVR提供的沉浸式体验非常适合在公共安全领域的应用，在该公共安全领域，VR为学生提供了一种从培训室的安全中获得危险或威胁生命的环境的宝贵经验的方法。英国的消防与救援服务部和科学技术实验室都要求RIVR基于现实世界中的事件，为消防和犯罪现场的场景进行过度现实的娱乐活动，以为受训者制定虚拟培训计划。培训的目标是to prepare students for the appropriate behaviour and actions in stressful situations。A Virtual Reality Monitor (VRM) developed by RiVR allows the trainers to observe how the candidates interact with the scene and gives a comprehensive overview of the training session.

使用Leica RTC360 laser scanner, in combination with photogrammetry, RiVR was able to developlife-like virtual environmentswhere the未来的消防和警察可以训练。

Virtual firefighters and detectives

开创性的第一个产品,RiVR Investigate, the company is complementing real-world training of firefighters, police officers and crime scene investigators with an immersive photorealistic VR experience. RiVR Investigate allows the new recruits to gain exposure in a controlled and consistent way. Exposing trainees to a real fire and dangerous situations for the first time might result in stress and fear for the job. VR technology also allows police officers and investigators to undertake a range of simulations andrecreate any murder scene that would not be possible otherwise。

在RIVR调查培训解决方案学员可以访问六个不同的火灾调查方案，两次危险物质事件和两个犯罪现场。RIVR软件还记录了受训者进行审查的所有操作。开发人员团队正在寻求与更多的消防服务和警察部队合作，以增加年度VR场景图书馆。

但, how are these real-life situations transformed into virtual simulations?RiVR partnered with Leica Geosystems and uses theLeica RTC360生产high-resolution topology of large scenes。Thehighly-portable and automatedRTC360 empowered the team todocument and capture the crime scenes以及燃烧的建筑物快速，并获得最好的细节。

“当我们扫描不适合摄影测量的大环境时，我们会使用RTC360。然后在扫描上，我们叠加高分辨率图像，以产生任何大小的毫米准确的光真实环境。我们还发现RTC360在很难进行摄影测量扫描的环境中非常有用，例如主要是白色实验室，该实验室没有太多随机性[参考点]，”explained Alex Harvey, creative director at RiVR.

捕捉现实以增强学习

首次体验新的具有挑战性的环境，例如谋杀现场或火灾，提供了宝贵的背景和locational awareness候选人的情况，否则很难在没有大量费用的情况下复制。具有能力镜子毫米精度这real world through laser scanning, professionals can创造引人入胜的现实经验对于多个应用程序，包括公共安全的情相VR培训。

In a BBC Click episode featuring VR applications, Paul Speight, watch manager at Leicestershire Fire and Rescue Service, states students trained in a VR environment are more engaged. According to a recent report by the National Training Laboratory in the United States, retention rate of learning using VR scored75 per cent。相反，其他讲座式方法为5％。

VR created with laser scanning and photogrammetry can place users in any number of different places, situations or environments, and can be deployed to teach awareness, build skills, and provide valuable experience to those who risk their lives to help others.

This article first appeared in the May 2019 issue ofxyHt magazine。