青海师范大学学报(自然科学版)2024,Vol.40Issue(4) :72-81.DOI:10.16229/j.cnki.issn1001-7542.2024409

一种改进的QEM网格简化算法及其应用研究

An improved QEM mesh simplification algorithm and its application

殷德莉 姚光顺
青海师范大学学报(自然科学版)2024,Vol.40Issue(4) :72-81.DOI:10.16229/j.cnki.issn1001-7542.2024409

一种改进的QEM网格简化算法及其应用研究

An improved QEM mesh simplification algorithm and its application

殷德莉 1姚光顺2
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作者信息

  • 1. 滁州职业技术学院,安徽滁州 239000
  • 2. 滁州学院,安徽滁州 239000
  • 折叠

摘要

随着虚拟现实技术与各行各业应用的深度融合,很多情况下需要将虚拟现实应用发布至移动端设备平台,为了提升用户的使用体验,场景发布之前需要进行优化处理.为了获得更佳的优化效果,需要将场景中的模型Mesh进行简化,然而现有的Unity场景优化算法和技术存在优化性能不佳和优化工作量大的问题.本文提出了一种改进的基于曲率加权的网格简化算法,该算法引入顶点曲率评价因子优化传统QEM算法的最小二次误差度量,在简化单个模型以及优化特定Unity场景时表现出了较优的简化性能和较高的简化效率.

Abstract

With the deep integration of virtual reality technology with various industries,it is often necessary to publish virtual reality applications on mobile device platforms.In order to improve the user experience,optimization processing is required before scene release.In order to achieve better optimization results,it is necessary to simplify the Mesh model in the scene.However,existing Unity scene optimiza-tion algorithms and techniques suffer from poor optimization performance and huge optimization workload.This article proposes an improved curvature weighted Mesh simplification algorithm that introduces vertex curvature evaluation factors to optimize the minimum quadratic error metric of traditional QEM algorithms.It demonstrates superior simplification performance and efficiency in simplifying individual models and optimizing specific Unity scenes.

关键词

QEM算法/Mesh网格简化/LoD多细节层次/Unity场景/Unity性能优化

Key words

QEM algorithm/Mesh simplification/LoD multi-level of detail/Unity Scene/Unity per-formance optimization

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出版年

2024
青海师范大学学报(自然科学版)
青海师范大学

青海师范大学学报(自然科学版)

影响因子:0.333
ISSN:1001-7542
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