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Fast raycasting using a compound deep image for virtual point light range determination

Fast raycasting using a compound deep image for virtual point light range determination

作     者:Jesse Archer Geoff Leach Pyarelal Knowles Jesse Archer;Geoff Leach;Pyarelal Knowles

作者机构:School of Science RMIT University 

出 版 物:《Computational Visual Media》 (计算可视媒体(英文版))

年 卷 期:2019年第5卷第3期

页      面:257-265页

核心收录:

学科分类:08[工学] 080203[工学-机械设计及理论] 0802[工学-机械工程] 

主  题:deep image indirect lighting raycasting 

摘      要:The concept of using multiple deep images,under a variety of different names, has been explored as a possible acceleration approach for finding raygeometry intersections. We leverage recent advances in deep image processing from order independent transparency for fast building of a compound deep image(CDI) using a coherent memory format well suited for raycasting. We explore the use of a CDI and raycasting for the problem of determining distance between virtual point lights(VPLs) and geometry for indirect lighting,with the key raycasting step being a small fraction of total frametime.

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