Development of Compact, Cost-effective, FPGA-Based Data Acquisition System for the iPET System

Eungi Min, Kwangdon Kim, Hakjae Lee, Hyun Il Kim, Yong Hyun Chung, Yongkwon Kim, Jinhun Joung, Kyeong Min Kim, Sung-Kwan Joo, Kisung Lee

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Positron emission tomography (PET) is a nuclear medicine imaging technology used to analyze physiological processes. An in-beam PET is used to verify the delivered dose during ion-beam therapy. Our group investigates the prototype C-shaped PET system, which is called the iPET system. In this study, we develop an expendability-enhanced field-programmable gate array (FPGA)-based data acquisition system for the iPET. We organize this data acquisition (DAQ) system using only one DAQ board, to ensure a compact and cost-effective DAQ system. We design the FPGA using modular functions, which include synchronization, deserialization, pulse height analysis, and data packaging functions. As a result, energy spectra and well-separated 9 × 9 flood images of the entire detector module are achieved. We obtain reconstructed PET images of point source (4 mm diameter), three cylindrical phantoms (3 cm diameter), and four sphere phantoms (3.0, 2.2, 1.3 and 1.0 cm diameter). We achieve approximately 300 kcps of maximum single count rate. The obtained results prove the compactness and cost-effectiveness of the proposed DAQ system.

Original languageEnglish
Pages (from-to)858-866
Number of pages9
JournalJournal of Medical and Biological Engineering
Volume37
Issue number6
DOIs
Publication statusPublished - 2017 Dec 1

Fingerprint

Positron emission tomography
Field programmable gate arrays (FPGA)
Data acquisition
Costs
Nuclear medicine
Cost effectiveness
Ion beams
Packaging
Synchronization
Detectors
Imaging techniques

Keywords

  • Data acquisition system
  • Field-programmable gate array
  • In-beam PET
  • Modular function

ASJC Scopus subject areas

  • Biomedical Engineering

Cite this

Development of Compact, Cost-effective, FPGA-Based Data Acquisition System for the iPET System. / Min, Eungi; Kim, Kwangdon; Lee, Hakjae; Kim, Hyun Il; Chung, Yong Hyun; Kim, Yongkwon; Joung, Jinhun; Kim, Kyeong Min; Joo, Sung-Kwan; Lee, Kisung.

In: Journal of Medical and Biological Engineering, Vol. 37, No. 6, 01.12.2017, p. 858-866.

Research output: Contribution to journalArticle

Min, Eungi ; Kim, Kwangdon ; Lee, Hakjae ; Kim, Hyun Il ; Chung, Yong Hyun ; Kim, Yongkwon ; Joung, Jinhun ; Kim, Kyeong Min ; Joo, Sung-Kwan ; Lee, Kisung. / Development of Compact, Cost-effective, FPGA-Based Data Acquisition System for the iPET System. In: Journal of Medical and Biological Engineering. 2017 ; Vol. 37, No. 6. pp. 858-866.
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