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Communications of the ACM

ACM TechNews

3D Modeling Tool Recreates a Landscape's Digital Twin

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Part of a reconstructed pointcloud of Montreal, Canada.

HybridFlow images are clustered into sections that are perceptually similar, and then at the pixel level.

Credit: Valcartier Defence Research and Development Canada

An automated framework developed by Charalambos Poullis and Qiao Chen at Canada's Concordia University can three-dimensionally (3D)-simulate large-scale landscapes.

HybridFlow replicates an area's geometry, structure, and appearance from images captured by aircraft typically flying above 30,000 feet.

The tool renders these images, which usually exceed 200 pixels each, into digital twins.

Poullis explained, "This digital twin can be used in typical applications to navigate and explore different areas, as well as virtual tourism, games, films, and so on. More importantly, there are very impactful applications that can simulate processes in a secure and digital way. So, it can be used by stakeholders and authorities to simulate 'what-if' scenarios in cases of flooding or other natural disasters."

From Concordia University (Canada)
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