Virtual environment construction support device, virtual environment construction support system, and virtual environment construction support method

The virtual environment construction support device enhances 3D model accuracy by identifying object types and applying suitable generation methods, addressing texture deformation and thin object modeling issues, resulting in realistic virtual environments.

JP2026099010APending Publication Date: 2026-06-18HITACHI LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
HITACHI LTD
Filing Date
2024-12-06
Publication Date
2026-06-18

AI Technical Summary

Technical Problem

Existing methods for constructing 3D models in virtual environments face issues such as texture deformation due to laser measurement point clouds, leading to inaccurate appearances, and difficulties in modeling thin objects like markers, resulting in a deteriorated virtual environment quality.

Method used

A virtual environment construction support device that identifies object types and regions within captured images, determining appropriate virtual environment generation methods for each type, using techniques like photogrammetry, NeRF, and 3D Gaussian Splatting to generate accurate 3D models.

Benefits of technology

Improves the appearance accuracy of 3D models in virtual environments, enabling realistic reproduction of real-world scenes, suitable for applications like vehicle driving simulators.

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Abstract

This invention provides a virtual environment construction support device that can improve the accuracy of 3D models within a virtual environment that replicates the real world. [Solution] A virtual environment construction support device comprising: a storage unit for storing images captured by a camera; an identification unit for identifying the type of object in the image and the area occupied by the object; a determination unit for determining a virtual environment generation method according to the type of object; and a generation unit for generating a virtual environment using the virtual environment generation method determined for each type of object.
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