3D Mesh Simplification Using Animation Skin Weights
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Solution Overview
Problem
Existing mesh simplification methods primarily focus on geometric information, leading to a deterioration in animation quality of three-dimensional models.
Innovation Solution
A method and device that determine vertices or edges to be deleted based on both geometric and animation information, including skin weight values, to maintain geometric characteristics while minimizing animation quality deterioration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If only geometric information is considered to determine priority values for mesh simplification, then the number of vertices and faces is reduced, but animation qualities deteriorate
Solution Approach 1:
The patent changes the parameters considered for mesh simplification from only geometric information to a composite parameter system that includes both geometric information and animation information (skin weight values). This allows the priority value determination to reflect both geometric characteristics and animation quality requirements, resolving the contradiction by transforming the simplification criterion into a multi-dimensional parameter evaluation.
2Device complexity
If edges are deleted in order of priority values based on geometric information, then mesh complexity is reduced, but geometric characteristics and animation qualities cannot both be maintained
Solution Approach 1:
The patent modifies the priority value calculation by incorporating skin weight values (animation information) alongside geometric information. This parameter change ensures that edges critical for both geometric shape and animation quality have higher priority values and are preserved, while edges less critical to both can be deleted, thus reducing mesh complexity without sacrificing geometric characteristics.
Data Source
AI summary
In accordance with an aspect of the present disclosure, there is provided a method for simplifying three-dimensional mesh data using three-dimensional mesh data simplification device. The method comprises, determining a vertex or an edge of three-dimensional mesh data to be deleted based on animation information including skin weight values and geometric information of the three-dimensional mesh data; and simplifying the three-dimensional mesh data by deleting the vertex or the edge.