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Ray feature analysis for volume rendering
Yang, Fei2; Yang, Feng1; Li, Xiuli2; Tian, Jie2
2015-09-01
发表期刊MULTIMEDIA TOOLS AND APPLICATIONS
卷号74期号:18页码:7621-7641
文章类型Article
摘要A major difficulty of volume rendering has been the recognition of different semantic regions which is crucial for the appropriate assignment of optical properties. Such difficulty arises from the fact that different semantic regions may share the same input value ranges. In this paper, we introduce the concept of ray-feature analysis and propose an on-the-fly state transition framework for the recognition of different semantic regions during volume rendering without the need of explicit segmentation information. In this framework, we consider the value along the path of a ray as a 1D-signal, and by making use of the feature analysis of these 1D-signals, semantic information of the current ray sample is extracted. To define the condition of state transition, we propose a method called "threshold based state transition". Since the parameters of the threshold based state transition method is not intuitive, an automatic learning method which enables an interactive user labeling routine is proposed. Experimental results show that our proposed framework is cost effective for on-the-fly semantic region recognition, and is especially suitable for closed, mostly convex, multi-layered objects.
关键词Direct Volume Rendering Classification Ray Feature Analysis Localized Transfer Function Threshold Based State Transition
WOS标题词Science & Technology ; Technology
DOI10.1007/s11042-014-1994-2
关键词[WOS]TRANSFER-FUNCTION DESIGN ; VISUALIZATION ; EXPLORATION
收录类别SCI
语种英语
WOS研究方向Computer Science ; Engineering
WOS类目Computer Science, Information Systems ; Computer Science, Software Engineering ; Computer Science, Theory & Methods ; Engineering, Electrical & Electronic
WOS记录号WOS:000360377200010
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/8964
专题中国科学院分子影像重点实验室
通讯作者Tian, Jie
作者单位1.Beijing JiaoTong Univ, Sch Comp & Informat Technol, Beijing 100044, Peoples R China
2.Chinese Acad Sci, Inst Automat, Key Lab Mol Imaging, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714
Yang, Fei,Yang, Feng,Li, Xiuli,et al. Ray feature analysis for volume rendering[J]. MULTIMEDIA TOOLS AND APPLICATIONS,2015,74(18):7621-7641.
APA Yang, Fei,Yang, Feng,Li, Xiuli,&Tian, Jie.(2015).Ray feature analysis for volume rendering.MULTIMEDIA TOOLS AND APPLICATIONS,74(18),7621-7641.
MLA Yang, Fei,et al."Ray feature analysis for volume rendering".MULTIMEDIA TOOLS AND APPLICATIONS 74.18(2015):7621-7641.
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