Fundamental Limits of Spatial Resolution in PET.

Fundamental Limits of Spatial Resolution in PET.
复制标题

DOI:
10.1016/j.nima.2010.11.092
复制
发表时间:
2011-08-21
期刊:
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment
影响因子:
--
通讯作者:
Moses WW
Moses WW
中科院分区:
其他
文献类型:
--
作者:
Moses WW

文献摘要

参考文献

被引文献

相似文献

正电子发射断层扫描(PET)的空间分辨率的基本限制已经了解了很多年。探测器元件的物理尺寸通常在确定分辨率方面起着主导作用,但是来自共线性、正电子范围、探测器环的穿透和探测器模块中的解码误差的组合贡献通常联合收割机组合成具有相似的尺寸。此外,采样几何和统计噪声进一步降低了有效分辨率。本文描述了定量描述这些影响,讨论了潜在的方法,以减少这些影响的幅度,并计算最终可达到的空间分辨率为临床和临床前PET相机。
The fundamental limits of spatial resolution in positron emission tomography (PET) have been understood for many years. The physical size of the detector element usually plays the dominant role in determining resolution, but the combined contributions from acollinearity, positron range, penetration into the detector ring, and decoding errors in the detector modules often combine to be of similar size. In addition, the sampling geometry and statistical noise further degrade the effective resolution. This paper describes quantitatively describes these effects, discusses potential methods for reducing the magnitude of these effects, and computes the ultimately achievable spatial resolution for clinical and pre-clinical PET cameras.
DOI: 10.1007/s00330-008-0857-5
发表时间: 2008-06-01
期刊: EUROPEAN RADIOLOGY
影响因子: 5.9
作者:
Pichler, Bernd J.;Judenhofer, Martin S.;Wehrl, Hans F.
通讯作者: Wehrl, Hans F.
DOI: 10.1088/0031-9155/52/5/019
发表时间: 2007-03-07
影响因子: 3.5
作者:
de Jong, Hugo W. A. M.;van Velden, Floris H. P.;Lammertsma, Adriaan A.
通讯作者: Lammertsma, Adriaan A.
DOI: 10.1109/tns.1977.4328738
发表时间: 1977-01-01
影响因子: 1.8
作者:
DERENZO, SE;BUDINGER, TF;JACKSON, HG
通讯作者: JACKSON, HG
DOI: 10.1088/0031-9155/54/14/015
发表时间: 2009-07-21
影响因子: 3.5
作者:
James SS;Yang Y;Wu Y;Farrell R;Dokhale P;Shah KS;Cherry SR
通讯作者: Cherry SR
DOI: 10.1109/23.57379
发表时间: 1990-06-01
影响因子: 1.8
作者:
HABER, SF;DERENZO, SE;UBER, D
通讯作者: UBER, D