{"title":"Supercomputer assisted brain visualization with an extended ray tracer","authors":"D. Stredney, R. Yagel, S. F. May, M. Torello","doi":"10.1145/147130.147144","DOIUrl":null,"url":null,"abstract":"The process of volume rendering is computationally intensive especially when high quality imaging is required. We present an approach to realistic volume rendering which is based on a distributed system with a workstation front-end for scene composition andprevisualization, and a supercomputer serving as the primary rendering engine. We report on a new, expedient method for extending arbitrary su$ace-based ray tracers to support realistic rendering of volumes. In aadition, we describe a method for supporting ray tracing of a volume manipulated by CSG operations. Finally, an eficient, forward projection algorithm which exploits the multiprocessor, vector-arithmetic capabilities of the CRAY Y-MP supercomputer is described.","PeriodicalId":20479,"journal":{"name":"Proceedings of the 1992 workshop on Volume visualization","volume":"72 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"1992-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"11","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 1992 workshop on Volume visualization","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1145/147130.147144","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 11
Abstract
The process of volume rendering is computationally intensive especially when high quality imaging is required. We present an approach to realistic volume rendering which is based on a distributed system with a workstation front-end for scene composition andprevisualization, and a supercomputer serving as the primary rendering engine. We report on a new, expedient method for extending arbitrary su$ace-based ray tracers to support realistic rendering of volumes. In aadition, we describe a method for supporting ray tracing of a volume manipulated by CSG operations. Finally, an eficient, forward projection algorithm which exploits the multiprocessor, vector-arithmetic capabilities of the CRAY Y-MP supercomputer is described.
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