海军航空工程学院学报2017，Vol.32Issue(4)：341-346,6.DOI:10.7682/j.issn.1673-1522.2017.04.001
大规模场景的百分比近邻软阴影绘制算法
Algorithm of Soft Shadow Rendering for Large Scale Scene
摘要
Abstract
In order to overcome the problems of low efficiency of the traditional soft shadow rendering algorithm in the face of large scale 3D scene, in this paper, an acceleration structure based on the quad tree was built for shadow map of 3D scene, the method for searching neighbor node and the method for selecting traversal sequence was studied, and a percent?age closer soft shadow algorithm based on quad tree was proposed. The experimental results indicated that, compared with the traditional algorithm, the proposed algorithm could effectively improve the soft shadow rendering efficiency of large scale 3D scene, and the performance was stable, the high quality soft shadows could be rendered.关键词
三维场景/软阴影/百分比近邻滤波/四叉树/邻域搜索Key words
3D scene/soft shadow/percentage closer filtering/quad tree/neighborhood search分类
信息技术与安全科学引用本文复制引用
袁昱纬,刘传辉,全吉成,王宏伟,刘宇..大规模场景的百分比近邻软阴影绘制算法[J].海军航空工程学院学报,2017,32(4):341-346,6.基金项目
国家自然科学基金资助项目(61301233) （61301233）
吉林省自然科学基金资助项目(20130101069JC) （20130101069JC）
