Virtual Object Modeling via Photogrammetry and 3D Mesh Mapping
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Solution Overview
Problem
Conventional virtual modeling systems for creating objects in virtual and augmented reality are complex, time-consuming, and often fail to produce accurate, real-world-like models that can be feasibly assembled in the physical world due to weight or dimensional limitations.
Innovation Solution
A virtual modeling system that generates virtual models of real-world objects by receiving images of their portions, associating these images with three-dimensional shapes, and constraining editing operations to ensure physical feasibility, such as weight and dimensional compatibility within the virtual environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional virtual modeling systems are used to create virtual objects, then virtual models can be generated, but the models are complex, time-consuming to create, and may not accurately represent real-world objects
Solution Approach 1:
The patent uses photogrammetry to capture images of real-world objects and directly maps them onto 3D mesh models, creating accurate virtual copies without manual modeling. This copying approach preserves the exact appearance and dimensions of physical objects while dramatically reducing creation time
Solution Approach 2:
The patent replaces manual mechanical modeling processes with automated computational methods. Instead of artists manually sculpting and texturing models, the system automatically processes photographs and generates accurate 3D representations through image-based modeling algorithms
2Adaptability or versatility
If conventional virtual modeling systems are used, then virtual models can be created, but they may not be feasible to assemble or arrange in the physical world due to weight or dimensional limitations
Solution Approach 1:
The patent captures and preserves critical physical parameters including weight, dimensions, and material properties during the scanning process. These parameters are stored in the virtual model data, enabling verification that physical assemblies will meet real-world constraints before actual construction begins
Solution Approach 2:
The system provides feedback by comparing virtual model parameters against physical constraints. The photogrammetry process continuously refines the 3D model based on multiple image perspectives, ensuring dimensional accuracy that validates physical feasibility before implementation
3Ease of manufacture
If conventional virtual modeling systems are used, then virtual models can be generated, but the systems are complex and require special equipment
Solution Approach 1:
The patent uses a universal approach by employing standard photographing equipment to capture objects from multiple angles. The same camera can scan various objects without specialized adapters or complex setup procedures, making the system accessible and easy to use
Solution Approach 2:
The system performs automated processing of captured images, generating 3D models without requiring manual intervention for mesh creation or texture mapping. The photogrammetry software automatically aligns images, constructs the 3D geometry, and applies textures, eliminating the need for skilled operators
Data Source
AI summary
A modeling system receives, via a user interface of a device, a selection of a three-dimensional shape that includes a plurality of faces. The modeling system generates a virtual object by: receiving an image showing a portion of a real-world object, determining an area of the image that corresponds to the portion of the real-world object, associating, in the virtual object, the area of the image with a face of the plurality of faces of the three-dimensional shape, and associating, in the virtual object or in metadata of the virtual object, properties of the three-dimensional shape with the virtual object. The virtual modeling system presents the virtual object in the user interface by at least showing the area of the image superimposed on the face and showing the properties.