{"title":"Enclosure Sphere Based Cell Visibility for Virtual Endoscopy","authors":"Jianfei Liu, Xiaopeng Zhang","doi":"10.1109/vis.2005.26","DOIUrl":null,"url":null,"abstract":"Virtual Endoscopy is an interactive exploration inside human organs to detect polyps by combining medical imaging and computer graphics technologies. In order to realize rendering acceleration, we present a novel two-steps visibility algorithm, Enclosure Sphere Based Cell Visibility (ESBCV), which performs visibility computation between cells assisted by Z-buffer in preprocessing and eye-to-cell visibility through a simple numerical calculation of the intersection of a circle with the rendered image in navigation. Experimental results demonstrated virtual navigation with high image quality and interactive rendering speed. CR","PeriodicalId":91181,"journal":{"name":"Visualization : proceedings of the ... IEEE Conference on Visualization. IEEE Conference on Visualization","volume":"47 1","pages":"98"},"PeriodicalIF":0.0000,"publicationDate":"2005-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Visualization : proceedings of the ... IEEE Conference on Visualization. IEEE Conference on Visualization","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/vis.2005.26","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Virtual Endoscopy is an interactive exploration inside human organs to detect polyps by combining medical imaging and computer graphics technologies. In order to realize rendering acceleration, we present a novel two-steps visibility algorithm, Enclosure Sphere Based Cell Visibility (ESBCV), which performs visibility computation between cells assisted by Z-buffer in preprocessing and eye-to-cell visibility through a simple numerical calculation of the intersection of a circle with the rendered image in navigation. Experimental results demonstrated virtual navigation with high image quality and interactive rendering speed. CR
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