Technology Google will help preserve endangered historical sites in virtual reality

07:51  17 april  2018
07:51  17 april  2018 Source:   The Verge

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Pleito cave site . Credit: Devlin Gandy, Author provided. We often associate virtual reality (VR) with At nearly 100,000 acres, the preserve protects a wide range of endangered and threatened species in Using " reality capture" techniques like photogrammetry – which helps make measurements from

a screenshot of a social media post© Provided by The Verge Google has partnered with 3D laser scanning nonprofit CyArk to help preserve historical sites around the world that are at risk of irreversible damage or total erasure due to human conflict and natural disasters. The joint effort, called the Open Heritage project, will use CyArk’s laser-scanning technology to capture all the relevant data at a historical site needed to re-create it virtually, so it can be preserved and explored online either on a computer, through a mobile device, or while wearing a virtual reality headset.

“With modern technology, we can capture these monuments in fuller detail than ever before, including the color and texture of surfaces alongside the geometry captured by the laser scanners with millimeter precision in 3D,” Chance Coughenour, a digital archaeologist and program manager with the Google Arts and Culture division, said in a press release. “These detailed scans can also be used to identify areas of damage and assist restoration efforts.”

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CyArk, an Oakland, California-based nonprofit, was founded in 2003 as a humanitarian and cultural outlet for technology that creator Ben Kacyra developed as co-founder and CEO of Cyra Technologies, a Bay Area company that makes a laser mapping, modeling, and CAD product used by architects, engineers, and construction firms. Kacyra says he was inspired to create CyArk using Cyra’s laser-mapping technology after seeing the Taliban destroy 1,500-year-old Buddhist statues in Bamiyan, Afghanistan, back in 2001. It’s that type of destruction of ancient culture that Kacyra is concerned about, and CyArk’s mission is to capture historical monuments and sites before they befall a similar type of tragedy.

a screenshot of a cell phone© Provided by The Verge

One such site is the Ananda Ok Kyaung temple in Bagan, Myanmar, which suffered damage during an earthquake in 2016. CyArk managed to laser map the site prior to the disaster, and now an interactive 3D tour through the temple serves as one of the experiences it’s launching with alongside Google with the Open Heritage initiative. Alongside the Ananda Ok Kyuang temple are 24 other locations from 18 countries around the world. Other locations include the Al Azem Palace in Damascus, Syria and the ruins of the Mayan city of Chichen Itza in Mexico.

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“For many of the sites, we also developed intricate 3D models that allow you to inspect from every angle, using the new Google Poly 3D viewer on Google Arts & Culture,” writes Coughenour. “Over the past seven years, we’ve partnered with 1,500 museums from over 70 countries to bring their collections online and put more of the world’s culture at your fingertips. This project marks a new chapter for Google Arts & Culture, as it is the first time we’re putting 3D heritage sites on the platform.”

Google is also planning to release the source data of the models created by CyArk. Researchers and other interested parties will be able to apply to download the data to build applications or to analyze it for ways to help preserve and restore the real-life monuments and sites. The Open Heritage models will be available online and on the Google Arts and Culture mobile apps for iOS and Android. Those mobile apps will also support the VR tours through Google’s Daydream platform.

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