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Visibility-Aware Direct Volume Rendering 被引量：1

Visibility-Aware Direct Volume Rendering
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摘要 Direct volume rendering （DVR） is a powerful visualization technique which allows users to effectively explore and study volumetric datasets. Different transparency settings can be flexibly assigned to different structures such that some valuable information can be revealed in direct volume rendered images （DVRIs）. However, end-users often feel that some risks are always associated with DVR because they do not know whether any important information is missing from the transparent regions of DVRIs. In this paper, we investigate how to semi-automatically generate a set of DVRIs and also an animation which can reveal information missed in the original DVRIs and meanwhile satisfy some image quality criteria such as coherence. A complete framework is developed to tackle various problems related to the generation and quality evaluation of visibility-aware DVRIs and animations. Our technique can reduce the risk of using direct volume rendering and thus boost the confidence of users in volume rendering systems. Direct volume rendering （DVR） is a powerful visualization technique which allows users to effectively explore and study volumetric datasets. Different transparency settings can be flexibly assigned to different structures such that some valuable information can be revealed in direct volume rendered images （DVRIs）. However, end-users often feel that some risks are always associated with DVR because they do not know whether any important information is missing from the transparent regions of DVRIs. In this paper, we investigate how to semi-automatically generate a set of DVRIs and also an animation which can reveal information missed in the original DVRIs and meanwhile satisfy some image quality criteria such as coherence. A complete framework is developed to tackle various problems related to the generation and quality evaluation of visibility-aware DVRIs and animations. Our technique can reduce the risk of using direct volume rendering and thus boost the confidence of users in volume rendering systems.
作者 麦伟豪 巫英才 陈明远 屈华民
机构地区 Department of Computer Science and Engineering Department of Computer Science
出处 《Journal of Computer Science & Technology》 SCIE EI CSCD 2011年第2期217-228,共12页 计算机科学技术学报（英文版）
基金 supported in part by Hong Kong RGC CERG under Grant No. 618705
关键词 visualization systems and software volume visualization visualization systems and software, volume visualization
分类号 TP391.41 [自动化与计算机技术—计算机应用技术] X513 [环境科学与工程—环境工程]
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参考文献22

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  • 3Luo C X, Song S F. Finite element analysis of spherical shell with opening nozzle [ J ]. Information Technology Journal, 2011,11 (4) :426-430.
  • 4Li J, Liu Z, Qu X F, et al. Finite element analysis of compressive strength of recycled coarse aggregate-filled concrete [ J ]. Advanced Building Materials, 2011 ( 250/251 / 252/253 ) :331 - 334.
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Journal of Computer Science & Technology
2011年 第2期

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