Selenium flat panel detector-based volume tomographic angiography imaging: Phantom studies

被引:22
作者
Ning, RL [1 ]
Lee, D [1 ]
Wang, XH [1 ]
Zhang, Y [1 ]
Conover, D [1 ]
Zhang, DH [1 ]
Williams, C [1 ]
机构
[1] Univ Rochester, Med Ctr, Dept Radiol, Rochester, NY 14642 USA
来源
PHYSICS OF MEDICAL IMAGING | 1998年 / 3336卷
关键词
selenium thin film transistor array; flat panel detector; volume tomographic digital angiography;
D O I
10.1117/12.317031
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
A Selenium thin film transistor (STFT) array-based rotational volume tomographic digital angiography (VTDA) imaging system has been constructed. The system consists of an x-ray tube and a STFT detector that are separately mounted on a gantry. This system uses the STFT array as a two-dimensional (2D) detector so that a set of 2D projections can be acquired for a direct three-dimensional (3D) reconstruction. This paper presents the results of the preliminary phantom studies using the STFT-based volume tomographic angiography imaging system. This research work demonstrates through phantom studies that the STFT array introduces no distortion and the STFT-based VTDA imaging system has a higher spatial resolution and better contrast resolution than an image intensifier(II)-based system.
引用
收藏
页码:316 / 324
页数:9
相关论文
empty
未找到相关数据