A Rotatable Quality Control Phantom for Evaluating the Performance of Flat Panel Detectors in Imaging Moving Objects

Yoshihiro Haga, Koichi Chida, Yohei Inaba, Yuji Kaga, Taiichiro Meguro, Masayuki Zuguchi

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

As the use of diagnostic X-ray equipment with flat panel detectors (FPDs) has increased, so has the importance of proper management of FPD systems. To ensure quality control (QC) of FPD system, an easy method for evaluating FPD imaging performance for both stationary and moving objects is required. Until now, simple rotatable QC phantoms have not been available for the easy evaluation of the performance (spatial resolution and dynamic range) of FPD in imaging moving objects. We developed a QC phantom for this purpose. It consists of three thicknesses of copper and a rotatable test pattern of piano wires of various diameters. Initial tests confirmed its stable performance. Our moving phantom is very useful for QC of FPD images of moving objects because it enables visual evaluation of image performance (spatial resolution and dynamic range) easily.

Original languageEnglish
Pages (from-to)38-42
Number of pages5
JournalJournal of Digital Imaging
Volume29
Issue number1
DOIs
Publication statusPublished - 2016 Feb 1

Keywords

  • Angiography
  • Flat panel detector (FPD)
  • Fluoroscopy
  • Moving phantom
  • Quality control (QC)

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Computer Science Applications

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