A direct volume rendering visualization approach for serial PET-CT scans that preserves anatomical consistency

被引：5
作者：
Jung, Younhyun [1 ]
Kim, Jinman [1 ]
Bi, Lei [1 ]
Kumar, Ashnil [1 ]
Feng, David Dagan [1 ,2 ]
Fulham, Michael [3 ,4 ]
机构：
[1] Univ Sydney, Sch Comp Sci, Biomed & Multimedia Informat Technol Res Grp, Sydney, NSW, Australia
[2] Shanghai Jiao Tong Univ, Med X Res Inst, Shanghai, Peoples R China
[3] Univ Sydney, Sydney Med Sch, Sydney, NSW, Australia
[4] Royal Prince Alfred Hosp, Dept Mol Imaging, Sydney, NSW, Australia
来源：
INTERNATIONAL JOURNAL OF COMPUTER ASSISTED RADIOLOGY AND SURGERY | 2019年 / 14卷 / 05期
关键词：
Direct volume rendering; PET-CT visualization; Transfer function; Serial segmentation; CELLULAR-AUTOMATA; SEGMENTATION;
D O I：
10.1007/s11548-019-01916-2
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
PurposeOur aim was to develop an interactive 3D direct volume rendering (DVR) visualization solution to interpret and analyze complex, serial multi-modality imaging datasets from positron emission tomography-computed tomography (PET-CT).MethodsOur approach uses: (i) a serial transfer function (TF) optimization to automatically depict particular regions of interest (ROIs) over serial datasets with consistent anatomical structures; (ii) integration of a serial segmentation algorithm to interactively identify and track ROIs on PET; and (iii) parallel graphics processing unit (GPU) implementation for interactive visualization.ResultsOur DVR visualization more easily identifies changes in ROIs in serial scans in an automated fashion and parallel GPU computation which enables interactive visualization.ConclusionsOur approach provides a rapid 3D visualization of relevant ROIs over multiple scans, and we suggest that it can be used as an adjunct to conventional 2D viewing software from scanner vendors.
引用
收藏
页码：733 / 744
页数：12
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