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题名:
fast soft shadow by depth peeling
作者: Liut Xuehui ; Haot Xiaoguang ; Huang Mengcheng ; Liu Fang ; Zhou Mingquan ; Sun Hanqiu ; Wu En-Hua
会议文集: ACM SIGGRAPH 2010 Posters, SIGGRAPH 10
会议名称: ACM SIGGRAPH 2010 Posters, SIGGRAPH 10
会议日期: 37463
出版日期: 2010
会议地点: Los Angeles, CA, United states
关键词: Light sources
出版地: United States
ISBN: 9781450000000
部门归属: (1) State Key Lab. of Computer Sciences, Institute of Software, Chinese Academy of Sciences, China; (2) Beijing Normal University, China; (3) Chinese University of Hongkong, Hong Kong; (4) University of Macau, China
主办者: ACM Spec. Interest Group Comput.; Graph. Interact. Tech. (SIGGRAPH)
英文摘要: Soft shadow generation is a challenging problem in realistic rendering. Previous methods using shadow map or shadow volume work well for point light sources but are difficult to be extended to area lights. This paper presents a new method for fast soft shadow generation under dynamic area light sources. Our algorithm encodes the depth distribution of the scene into a coarse depth grid in a preliminary pass from the light point of view. In the second pass, the scene is rendered from the camera viewpoint to capture the frontmost layer. During deferred shading, the area light is sampled and the irradiance of each shaded pixel is accumulated along the ray. Experimental results demonstrate high quality soft shadows with interactive performance for dynamic scenes and lighting. © ACM 2010.
内容类型: 会议论文
URI标识: http://ir.iscas.ac.cn/handle/311060/8760
Appears in Collections:计算机科学国家重点实验室 _会议论文

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Recommended Citation:
Liut Xuehui,Haot Xiaoguang,Huang Mengcheng,et al. fast soft shadow by depth peeling[C]. 见:ACM SIGGRAPH 2010 Posters, SIGGRAPH 10. Los Angeles, CA, United states. 37463.
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