3D Model Enhancement via Near-Planar Region Deformation
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Solution Overview
Problem
Traditional methods for creating and modifying 3D models often fail to accurately represent the geometric aspects of natural objects, lacking the ability to effectively emphasize or smooth features, which is crucial for enhancing the appearance of 3D models and physical objects created from them.
Innovation Solution
A computer-implemented method that identifies near-planar regions in a 3D model, applies deformations based on comparisons of normals between adjacent polygons to either smooth or exaggerate features, and modifies the fine mesh accordingly, mimicking the techniques used by traditional sculptors to accentuate or smooth surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional methods are used to create and modify 3D models, then the creation process is simple, but the models fail to accurately represent geometric aspects of natural objects and lack feature emphasis
Solution Approach 1:
The patent segments the 3D model surface into near-planar regions using coarse mesh polygons that approximate flat surfaces. This segmentation allows selective processing of different surface types, applying geometric corrections primarily to non-planar regions while preserving planar regions, thereby improving geometric accuracy without uniformly complicating the entire model
Solution Approach 2:
The patent applies different processing strategies to different regions of the model based on their geometric properties. Near-planar regions are identified and treated differently from curved or complex regions, allowing geometric corrections to be applied locally where needed rather than globally, thus improving accuracy without unnecessary complexity
2Adaptability or versatility
If traditional modeling techniques are used, then the process is straightforward, but the ability to emphasize or smooth features is limited
Solution Approach 1:
The patent introduces dynamic control over feature modification through adjustable parameters that allow users to emphasize or smooth features based on the comparison of normals between adjacent polygons. This enables adaptable feature modification while maintaining a relatively simple operational interface, as the system automatically identifies regions requiring modification based on geometric analysis
3Manufacturing precision
If detailed fine mesh is used, then model precision is high, but processing complexity and computational requirements increase
Solution Approach 1:
The patent creates a coarse mesh that segments the detailed fine mesh into near-planar regions represented by larger polygons. This segmentation allows processing to focus on identifying and modifying only the regions that deviate from planarity, rather than processing the entire fine mesh uniformly, thus reducing processing complexity while maintaining precision where needed
Solution Approach 2:
The patent creates a coarse mesh copy of the fine mesh that approximates near-planar surfaces. This copy serves as a simplified representation that can be processed more efficiently to identify regions requiring geometric correction, and the corrections can then be applied back to the original fine mesh, reducing overall processing complexity
Data Source
AI summary
One embodiment involves receiving a fine mesh as input, the fine mesh representing a 3-Dimensional (3D) model and comprising fine mesh polygons. The embodiment further involves identifying, based on the fine mesh, near-planar regions represented by a coarse mesh of coarse mesh polygons, at least one of the near-planar regions corresponding to a plurality of the coarse mesh polygons. The embodiment further involves determining a deformation to deform the coarse mesh based on comparing normals between adjacent coarse mesh polygons. The deformation may involve reducing a first angle between coarse mesh polygons adjacent to one another in a same near-planar region. The deformation may additionally or alternatively involve increasing an angle between coarse mesh polygons adjacent to one another in different near-planar regions. The fine mesh can be deformed using the determined deformation.