文献类型：期刊文献

中文题名：基于PMVS算法的古建筑虚拟重建研究

英文题名：Research on Virtual Reconstruction of Ancient Buildings Based on PMVS Algorithm

作者：王辉[1];曹莹[1]

第一作者：王辉

机构：[1]北京联合大学应用文理学院

第一机构：北京联合大学应用文理学院

年份：2019

卷号：36

期号：8

起止页码：354-357

中文期刊名：计算机仿真

外文期刊名：Computer Simulation

收录：CSTPCD;;北大核心:【北大核心2017】；

基金：国家自然科学基金资助项目(21476020)

语种：中文

中文关键词：三维多视角算法;虚拟现实;文化重建;文化遗产保护

外文关键词：PMVS;Virtual reality;Cultural reconstruction;Protection of cultural heritage

摘要：针对PMVS算法处理古建筑虚拟重建流程较复杂、不适于大场景、多光线三维重建等问题,提出一种改进算法,在膨胀扩散阶段将大场景分割为片区,在片区内限制种子片面的膨胀范围,对多个片区并行处理,从而提高了重建过程中的效率与精确度。并采用3DsMax对场景进行三维建模,采用Unity3D进行场景交互设计,采用VRay灯光与Target Spot光源相结合的方式对细节及阴影进行渲染,开发了畅春园虚拟重建仿真原型系统。实验表明,改进算法优化了古建筑虚拟重建流程,解决了大场景、多光线三维重建等问题,提高了重建效率与精确度。
In view of the problems that complexity of the virtual reconstruction process of ancient architecture, unfit for large scene and 3D reconstruction of multi ray, an improved algorithm was proposed by using P MV S algorithm. In the expansion and diffusion stage, the large scene was divided into a region, the expansion range of the seed surface was restricted in the area and the efficiency and accuracy in the reconstruction process were improved by the parallel processing of multiple slices.. The scene was modeled with 3 DsMax, and Unity3D was used to design scene interaction. The details and shadows were rendered with the combination of VRay light and Target Spot light source. The virtual reconstruction simulation prototype system of Changchun Garden was developed. The experiment shows that the improved algorithm optimizes the virtual reconstruction process of ancient buildings, solves the problems of large scene and multi ray three-dimensional reconstruction, and improves the efficiency and accuracy of the reconstruction.