메뉴 건너뛰기




Volumn 7622, Issue PART 3, 2010, Pages

Noise characterization of computed tomography using the covariance matrix

Author keywords

Computed tomography; Covariance matrix; Detectability; Noise power spectrum; SNR

Indexed keywords

COMPUTED TOMOGRAPHY; CONE-BEAM CT SCANNERS; CT SCANNERS; CT SYSTEM; DETECTABILITY; EIGENANALYSIS; EIGENVECTORS AND EIGENVALUES; EXPERIMENTAL METHODOLOGY; NOISE CHARACTERIZATION; NOISE CORRELATION; NOISE POWER SPECTRUM; SHIFT INVARIANCE; SIGNALTONOISE RATIO (SNR); SNR; STANDARD DEVIATION; STANDARD METHOD; STATIONARITY; SYSTEM NOISE; SYSTEM PERFORMANCE RESULTS;

EID: 79953660322     PISSN: 16057422     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.845494     Document Type: Conference Paper
Times cited : (11)

References (13)
  • 1
    • 66749158088 scopus 로고    scopus 로고
    • Noise and signal detection in digital x-ray detectors using the spatial definition of SNR
    • I. S. Kyprianou, A. Badano, S. Park, H. Liu, and K. Myers, "Noise and signal detection in digital x-ray detectors using the spatial definition of SNR," Proc. SPIE 7258, 2009.
    • (2009) Proc. SPIE , vol.7258
    • Kyprianou, I.S.1    Badano, A.2    Park, S.3    Liu, H.4    Myers, K.5
  • 3
    • 33745348261 scopus 로고    scopus 로고
    • A practical method for measuring the H matrix of digital x-ray and cone beam CT imaging systems
    • I. S. Kyprianou, A. Badano, B. D. Gallas, S. Park, and K. J. Myers, "A practical method for measuring the H matrix of digital x-ray and cone beam CT imaging systems," Proc. SPIE 6142, pp. 1U1 1U12, 2006.
    • (2006) Proc. SPIE , vol.6142
    • Kyprianou, I.S.1    Badano, A.2    Gallas, B.D.3    Park, S.4    Myers, K.J.5
  • 4
    • 33750944570 scopus 로고    scopus 로고
    • Framework for determination of geometric parameters of a cone beam ct scanner for measuring the system response function and improved object reconstruction
    • ISBI, IEEE, (Washington DC)
    • I. S. Kyprianou, S. Paquerault, B. D. Gallas, A. Badano, S. Park, and K. J. Myers, "Framework for determination of geometric parameters of a cone beam ct scanner for measuring the system response function and improved object reconstruction," in Biomedical Imaging: Macro to Nano. 3rd IEEE Internatiojial Symposium, pp. 1248 - 1251, ISBI, IEEE, (Washington DC), 2006.
    • (2006) Biomedical Imaging: Macro to Nano. 3rd IEEE Internatiojial Symposium , pp. 1248-1251
    • Kyprianou, I.S.1    Paquerault, S.2    Gallas, B.D.3    Badano, A.4    Park, S.5    Myers, K.J.6
  • 5
    • 35148827542 scopus 로고    scopus 로고
    • Measuring the point response function of digital x-ray detectors: Comparison between the pinhole and the edge methods
    • M. J. Flynn and J. Hsieh, eds., SPIE
    • I. S. Kyprianou, A. Badano, B. D. Gallas, and K. J. Myers, "Measuring the point response function of digital x-ray detectors: comparison between the pinhole and the edge methods," in Medical Imaging 2007: Physics of Medical Imaging, M. J. Flynn and J. Hsieh, eds., 6510, pp. 65100B1-12, SPIE, 2007.
    • (2007) Medical Imaging 2007: Physics of Medical Imaging , vol.6510
    • Kyprianou, I.S.1    Badano, A.2    Gallas, B.D.3    Myers, K.J.4
  • 6
    • 52949119892 scopus 로고    scopus 로고
    • Singular value description of a digital radiographic detector: Theory and measurements
    • I. Kyprianou, A. Badano, B. Gallas, and K. J. Myers, "Singular value description of a digital radiographic detector: theory and measurements," Med. Phys. 35(35), pp. 4744-4756, 2008.
    • (2008) Med. Phys. , vol.35 , Issue.35 , pp. 4744-4756
    • Kyprianou, I.1    Badano, A.2    Gallas, B.3    Myers, K.J.4
  • 8
    • 0018733995 scopus 로고
    • Detectability in computed tomographic images
    • K. M. Hanson, "Detectability in computed tomographic images," Medical Physics 6, pp. 441-451, 1979.
    • (1979) Medical Physics , vol.6 , pp. 441-451
    • Hanson, K.M.1
  • 9
    • 0018367387 scopus 로고
    • Application of information theory to the assessment of computed tomgraphy
    • R. F. Wagner, D. G. Brown, and M. S. Pastel, "Application of information theory to the assessment of computed tomgraphy," Medical Physics 6, pp. 83-94, 1979.
    • (1979) Medical Physics , vol.6 , pp. 83-94
    • Wagner, R.F.1    Brown, D.G.2    Pastel, M.S.3
  • 11
    • 35048901498 scopus 로고    scopus 로고
    • Modelling and testing of a non-standard scanning device with dose reduction potential
    • H. de las Heras, O. Tischenko, H. Schlattl, Y. Xu, and C. Hoeschen, "Modelling and testing of a non-standard scanning device with dose reduction potential," Proc. SPIE 6510, 2007.
    • (2007) Proc. SPIE , vol.6510
    • De Las Heras, H.1    Tischenko, O.2    Schlattl, H.3    Xu, Y.4    Hoeschen, C.5
  • 12
    • 43149111847 scopus 로고    scopus 로고
    • Experimental proof of an idea for a ct-scanner with dose reduction potential
    • H. de las Heras, O. Tischenko, b. Renger, Y. Xu, and C. Hoeschen, "Experimental proof of an idea for a ct-scanner with dose reduction potential," Proc. SPIE 6913, 2008.
    • (2008) Proc. SPIE , vol.6913
    • De Las Heras, H.1    Tischenko, O.2    Renger, B.3    Xu, Y.4    Hoeschen, C.5
  • 13
    • 66749108241 scopus 로고    scopus 로고
    • Dose reduction potential of the scanning geometry ct d'or: A simulation study
    • H. de las Heras, O. Tischenko, H. Schlattl, Y. Xu, and C. Hoeschen, "Dose reduction potential of the scanning geometry ct d'or: a simulation study," Proc. SPIE 7258, 2009.
    • (2009) Proc. SPIE , vol.7258
    • De Las Heras, H.1    Tischenko, O.2    Schlattl, H.3    Xu, Y.4    Hoeschen, C.5


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.