Firmware Upgrade for the Data Acquisition System of the LabPET Small Animal PET Scanner

被引：7
|
作者：
Tetrault, M. -A. [1 ]
Bergeron, M. [2 ,3 ]
Lecomte, R. [2 ,3 ]
Fontaine, R. [1 ]
机构：
[1] Univ Sherbrooke, Dept Elect & Comp Engn, Sherbrooke, PQ J1K 2R1, Canada
[2] Univ Sherbrooke, Dept Med Nucl & Radiobiol, Sherbrooke, PQ J1K 2R1, Canada
[3] CHUS, Sherbrooke Mol Imaging Ctr, Sherbrooke, PQ J1K 2R1, Canada
来源：
IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 2010年 / 57卷 / 02期
关键词：
FPGA; pipelining; positron emission tomography (PET); real time signal processing;
D O I：
10.1109/TNS.2009.2036612
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：
The LabPET scanner is based on avalanche photodiodes individually read out by free running analog to digital converters, giving it the ability to reach high count rates for individual detection crystals. The actual rate performance depends on the supporting firmware that implements the detection, sampling and processing steps in the host programmable devices. The initial firmware version for the LabPET provided the target performance, but was written for functionality rather than maximum throughput. The upgraded firmware optimizes several parts of the analysis flow and uses pipelining techniques to increase count rate performance by 50%, while utilizing 24% less FPGA logic resources and no hardware modifications.
引用
收藏
页码：556 / 560
页数：5
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