한국전기전자재료학회:학술대회논문집 (Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference)

한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
권호 표지

MTF 측정을 통한 비정질 셀레늄 기반의 디지털 방사선 검출기의 영상 질 평가에 관한 연구

Image Quality of Amorphous Selenium DR system using MTF measurement

  • Seok, Dae-Woo (Department of Biomedical Engineering of Inje University) ;
  • Park, Ji-Koon (Department of Biomedical Engineering of Inje University) ;
  • Choi, Jang-Yong (Department of Biomedical Engineering of Inje University) ;
  • Nam, Sang-Hee (Medical Imaging Research center of Inje University) ;
  • Kang, Shin-Won (School of Electrical Engineering and Computer Science of Kyungpook National University)
  • 발행 : 2003.11.13
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

In this paper, the evaluation of image quality was performed for digital radiography which is developing in using amorphous selenium as a photoconductor material for the purpose of offering basic research data and measurement technique about Medical Imaging Quality. So Modulation Transfer Function as a main factor of imaging quality evaluation was investigated by slit method. For measurement of MTF, Nuclear associates. 07-624 Slit camera image was obtained to study the variation of MTF corresponding to changing spatial frequency. And Presampling MTF was estimated by slit camera image with $10\;{\mu}m$ width at Digital Radiography. In this study, the obtained data demonstrates that the clinical value of a direct conversion type digital radiation detector using the amorphous selenium, which is being developed by domestic technology.

키워드