Normalisation of histogrammed list mode data

被引：15

作者：

Thielemans, Kris ^{[1
]}

Morel, Christian ^{[2
]}

Jacobson, Matthew W. ^{[3
]}

Kaempf, Jerome H. ^{[2
]}

Mustafovic, Sanida

机构：

[1] GE Healthcare, Hammersmith Imanet Ltd, London W12 0NN, England

[2] Univ Lausanne, Inst High Energy Phys, CH-1015 Lausanne, Switzerland

[3] Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA

来源：

IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 2008年 / 55卷 / 01期

关键词：

data normalisation; list mode; PET;

D O I：

10.1109/TNS.2007.914207

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Many PET scanners nowadays have the possibility to record event-by-event information, known as list mode data. This has the advantage of keeping the data in the highest possible resolution (both temporal and spatial). In most cases, list mode data are then binned into sinogram format before reconstruction. In this paper, we discuss at which stage normalisation factors should be introduced. It is shown that noise is greatly reduced by performing the normalisation after the binning. We illustrate this with acquired and simulated data for the quad HiDAC camera.

引用

页码：543 / 551

页数：9

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