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Volumn 43, Issue 10, 2004, Pages 2340-2347

Asymmetric fan-beam configurations with spatially varying focal lengths and shift-variant filtering reconstruction

Author keywords

Asymmetric configuration; Computed tomography; Fan beam projection; Image reconstruction

Indexed keywords

ALGORITHMS; COMPUTERIZED TOMOGRAPHY; DATA ACQUISITION; IMAGE QUALITY; IMAGING SYSTEMS; LIGHT SCATTERING; MATHEMATICAL MODELS; SIGNAL FILTERING AND PREDICTION; SPURIOUS SIGNAL NOISE;

EID: 9744249533     PISSN: 00913286     EISSN: None     Source Type: Journal    
DOI: 10.1117/1.1786295     Document Type: Article
Times cited : (4)

References (20)
  • 2
    • 0036980761 scopus 로고    scopus 로고
    • "Molecular imaging in small animals-roles for micro-CT"
    • E. L. Ritman, "Molecular imaging in small animals-roles for micro-CT," J. Cell Biochem. Suppl. 39, 116-124 (2002).
    • (2002) J. Cell Biochem. Suppl. , vol.39 , pp. 116-124
    • Ritman, E.L.1
  • 3
    • 0034857331 scopus 로고    scopus 로고
    • "On few-view tomographic reconstruction with megavoltage photon beams"
    • S. Loose and K. W. Leszczynski, "On few-view tomographic reconstruction with megavoltage photon beams," Med. Phys. 28, 1679-1688 (2001).
    • (2001) Med. Phys. , vol.28 , pp. 1679-1688
    • Loose, S.1    Leszczynski, K.W.2
  • 5
    • 0034245214 scopus 로고    scopus 로고
    • "Transmission CT reconstruction for offset fanbeam collimation"
    • D. R. Gilland, R. J. Jaszczak, and R. E. Coleman, "Transmission CT reconstruction for offset fanbeam collimation," IEEE Trans. Nucl. Sci. 47, 1602-1606 (2000).
    • (2000) IEEE Trans. Nucl. Sci. , vol.47 , pp. 1602-1606
    • Gilland, D.R.1    Jaszczak, R.J.2    Coleman, R.E.3
  • 6
    • 0035428652 scopus 로고    scopus 로고
    • "Transmission image reconstruction and redundant information in SPECT with asymmetric fanbeam collimation"
    • P. J. La Riviére, X. Pan, D. Gilland, C. M. Kao, W. Chang, and R. Jaszczak, "Transmission image reconstruction and redundant information in SPECT with asymmetric fanbeam collimation," IEEE Trans. Nucl. Sci. 48, 1357-1363 (2001).
    • (2001) IEEE Trans. Nucl. Sci. , vol.48 , pp. 1357-1363
    • La Riviére, P.J.1    Pan, X.2    Gilland, D.3    Kao, C.M.4    Chang, W.5    Jaszczak, R.6
  • 8
    • 9744265310 scopus 로고
    • "Scintillation camera and multifocal fan-beam collimator used therein"
    • J. Hsieh, "Scintillation camera and multifocal fan-beam collimator used therein," U.S. Patent No. 4,823,017 (1989).
    • (1989) U.S. Patent No. 4,823,017
    • Hsieh, J.1
  • 9
    • 0027663820 scopus 로고
    • "Fan-beam reconstruction algorithm for a spatially varying focal length collimator"
    • G. L. Zeng, G. T. Gullberg, R. J. Jaczczak, and J. Li, "Fan-beam reconstruction algorithm for a spatially varying focal length collimator," IEEE Trans. Med. Imaging 12, 575-585 (1993).
    • (1993) IEEE Trans. Med. Imaging , vol.12 , pp. 575-585
    • Zeng, G.L.1    Gullberg, G.T.2    Jaczczak, R.J.3    Li, J.4
  • 10
    • 0028295262 scopus 로고
    • "An analytical reconstruction algorithm for multifocal converging-beam SPECT"
    • Z. Cao and B. M. W. Tsui, "An analytical reconstruction algorithm for multifocal converging-beam SPECT," Phys. Med. Biol. 39, 281-291 (1994).
    • (1994) Phys. Med. Biol. , vol.39 , pp. 281-291
    • Cao, Z.1    Tsui, B.M.W.2
  • 11
    • 0028497142 scopus 로고
    • "A backprojection filtering algorithm for a spatially varying focal length collimator"
    • G. L. Zeng and G. T. Gullberg, "A backprojection filtering algorithm for a spatially varying focal length collimator," IEEE Trans. Med. Imaging 13, 549-556 (1994).
    • (1994) IEEE Trans. Med. Imaging , vol.13 , pp. 549-556
    • Zeng, G.L.1    Gullberg, G.T.2
  • 12
    • 0031240169 scopus 로고    scopus 로고
    • "Benefits of angular expression to reconstruction algorithms for collimators with spatially varying focal lengths"
    • J. You, S. Bao, and Z. Liang, "Benefits of angular expression to reconstruction algorithms for collimators with spatially varying focal lengths," IEEE Trans. Med. Imaging 16, 527-531 (1997).
    • (1997) IEEE Trans. Med. Imaging , vol.16 , pp. 527-531
    • You, J.1    Bao, S.2    Liang, Z.3
  • 13
    • 0037391657 scopus 로고    scopus 로고
    • "Image reconstruction with shift-variant filtration and its implication for noise and resolution properties in fan-beam computed tomography"
    • X. Pan and L. Yu, "Image reconstruction with shift-variant filtration and its implication for noise and resolution properties in fan-beam computed tomography," Med. Phys. 30, 590-600 (2003).
    • (2003) Med. Phys. , vol.30 , pp. 590-600
    • Pan, X.1    Yu, L.2
  • 14
    • 0035996482 scopus 로고    scopus 로고
    • "X-ray micro-CT with a displaced detector array"
    • G. Wang, "X-ray micro-CT with a displaced detector array," Med. Phys. 29, 1634-1636 (2002).
    • (2002) Med. Phys. , vol.29 , pp. 1634-1636
    • Wang, G.1
  • 15
    • 0032912583 scopus 로고    scopus 로고
    • "Optimal noise control in and fast reconstruction of fan-beam computed tomography image"
    • X. Pan, "Optimal noise control in and fast reconstruction of fan-beam computed tomography image," Med. Phys. 26, 689-697 (1999).
    • (1999) Med. Phys. , vol.26 , pp. 689-697
    • Pan, X.1
  • 16
    • 0142025634 scopus 로고    scopus 로고
    • "Halfscan fan-beam computed tomography with improved noise and resolution properties"
    • L. Yu and X. Pan, "Halfscan fan-beam computed tomography with improved noise and resolution properties," Med. Phys. 30, 2629-2637 (2003).
    • (2003) Med. Phys. , vol.30 , pp. 2629-2637
    • Yu, L.1    Pan, X.2
  • 17
    • 0029299915 scopus 로고
    • "Objective assessment of image quality, II fisher information, fourier crosstalk, and figures of merit for task performance"
    • H. H. Barrett, J. L. Denny, R. F. Wagner, and K. J. Myers, " Objective assessment of image quality, II fisher information, fourier crosstalk. and figures of merit for task performance," J. Opt. Soc. Am. A. 12, 834-852 (1995).
    • (1995) J. Opt. Soc. Am. A. , vol.12 , pp. 834-852
    • Barrett, H.H.1    Denny, J.L.2    Wagner, R.F.3    Myers, K.J.4
  • 18
    • 0003908115 scopus 로고    scopus 로고
    • "Medical imaging - The assessment of image quality"
    • ICRU Report 54
    • ICRU Report 54, "Medical imaging - The assessment of image quality," Intl. Commission on Radiation Units and Measurements (1996).
    • (1996) Intl. Commission on Radiation Units and Measurements
  • 19
    • 0000120201 scopus 로고    scopus 로고
    • "Ideal observer models of visual signal detection"
    • J. Beutel, H. L. Kundel, and R. L. Van Metter, Eds., SPIE Press, Bellingham, WA
    • K. J. Myers, "Ideal observer models of visual signal detection," in Handbook of Medical Imaging, Vol. 1. Physics and Psychophysics, J. Beutel, H. L. Kundel, and R. L. Van Metter, Eds., pp. 559-592, SPIE Press, Bellingham, WA (2000).
    • (2000) Handbook of Medical Imaging, Vol. 1 Physics and Psychophysics , pp. 559-592
    • Myers, K.J.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.