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Volumn 36, Issue 1, 2009, Pages 174-189

Validation of CT dose-reduction simulation

Author keywords

Bowtie filter; Computed tomography; CT; Dose reduction; Four alternative forced choice (4AFC); Just noticeable difference (JND); Noise modeling; Observer study; Tube current modulation

Indexed keywords

MODULATION; NORMAL DISTRIBUTION; PHANTOMS; POSITRON EMISSION TOMOGRAPHY; STOCHASTIC MODELS; STOCHASTIC SYSTEMS;

EID: 58149136841     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.3031114     Document Type: Article
Times cited : (86)

References (45)
  • 2
    • 36549007486 scopus 로고    scopus 로고
    • Computed tomography-An increasing source of radiation exposure
    • D. J. Brenner and E. J. Hall, " Computed tomography-An increasing source of radiation exposure.," N. Engl. J. Med. 357 (22), 2277-2284 (2007).
    • (2007) N. Engl. J. Med. , vol.357 , Issue.22 , pp. 2277-2284
    • Brenner, D.J.1    Hall, E.J.2
  • 3
    • 0141993779 scopus 로고    scopus 로고
    • Computed tomography and radiation risks: What pediatric health care providers should know
    • D. P. Frush, L. F. Donnelly, and N. S. Rosen, " Computed tomography and radiation risks: what pediatric health care providers should know.," Pediatrics 112 (4), 951-957 (2003).
    • (2003) Pediatrics , vol.112 , Issue.4 , pp. 951-957
    • Frush, D.P.1    Donnelly, L.F.2    Rosen, N.S.3
  • 4
    • 58149119766 scopus 로고
    • Computer simulations demonstrating factors that influence the quality of radiographic images
    • T. D. Russell and R. L. Van Metter, " Computer simulations demonstrating factors that influence the quality of radiographic images.," Radiology 173, 471 (1989).
    • (1989) Radiology , vol.173 , pp. 471
    • Russell, T.D.1    Van Metter, R.L.2
  • 5
    • 0041461316 scopus 로고    scopus 로고
    • A method for modifying the image quality parameters of digital radiographic images
    • R. S. Saunders and E. Samei, " A method for modifying the image quality parameters of digital radiographic images.," Med. Phys. 30 (11), 3006-3017 (2003).
    • (2003) Med. Phys. , vol.30 , Issue.11 , pp. 3006-3017
    • Saunders, R.S.1    Samei, E.2
  • 7
    • 2342640860 scopus 로고    scopus 로고
    • The addition of computer simulated noise to investigate radiation dose and image quality in images with spatial correlation of statistical noise: An example application to x-ray CT of the brain
    • A. J. Britten, " The addition of computer simulated noise to investigate radiation dose and image quality in images with spatial correlation of statistical noise: an example application to x-ray CT of the brain.," Br. J. Radiol. 77 (916), 323-328 (2004).
    • (2004) Br. J. Radiol. , vol.77 , Issue.916 , pp. 323-328
    • Britten, A.J.1
  • 8
    • 33750682728 scopus 로고    scopus 로고
    • Computer-simulation technique for low dose computed tomographic screening
    • K. Hanai, " Computer-simulation technique for low dose computed tomographic screening.," J. Comput. Assist. Tomogr. 30 (6), 955-961 (2006).
    • (2006) J. Comput. Assist. Tomogr. , vol.30 , Issue.6 , pp. 955-961
    • Hanai, K.1
  • 9
    • 0036085139 scopus 로고    scopus 로고
    • CT colonography at different radiation dose levels: Feasibility of dose reduction
    • R. E. van Gelder, " CT colonography at different radiation dose levels: Feasibility of dose reduction.," Radiology 224 (1), 25-33 (2002).
    • (2002) Radiology , vol.224 , Issue.1 , pp. 25-33
    • Van Gelder, R.E.1
  • 10
    • 1842731038 scopus 로고    scopus 로고
    • An extensible software-based platform for reconstruction and evaluation of CT images
    • D. A. Sennst, " An extensible software-based platform for reconstruction and evaluation of CT images.," Radiographics 24 (2), 601-613 (2004).
    • (2004) Radiographics , vol.24 , Issue.2 , pp. 601-613
    • Sennst, D.A.1
  • 11
    • 0036838456 scopus 로고    scopus 로고
    • Computer-simulated radiation dose reduction for abdominal multidetector CT of pediatric patients
    • D. P. Frush, " Computer-simulated radiation dose reduction for abdominal multidetector CT of pediatric patients.," AJR, Am. J. Roentgenol. 179 (5), 1107-1113 (2002).
    • (2002) AJR, Am. J. Roentgenol. , vol.179 , Issue.5 , pp. 1107-1113
    • Frush, D.P.1
  • 12
    • 0031023761 scopus 로고    scopus 로고
    • Simulated dose reduction in conventional chest CT: Validation study
    • J. R. Mayo, " Simulated dose reduction in conventional chest CT: Validation study.," Radiology 202 (2), 453-457 (1997).
    • (1997) Radiology , vol.202 , Issue.2 , pp. 453-457
    • Mayo, J.R.1
  • 13
    • 45949102973 scopus 로고    scopus 로고
    • An experimental study on the noise properties of x-ray CT sinogram data in Radon space
    • J. Wang, " An experimental study on the noise properties of x-ray CT sinogram data in Radon space.," Phys. Med. Biol. 53 (12), 3327-3341 (2008).
    • (2008) Phys. Med. Biol. , vol.53 , Issue.12 , pp. 3327-3341
    • Wang, J.1
  • 15
    • 42449133835 scopus 로고    scopus 로고
    • Tiny a priori knowledge solves the interior problem in computed tomography
    • H. Kudo, " Tiny a priori knowledge solves the interior problem in computed tomography.," Phys. Med. Biol. 53 (9), 2207-2231 (2008).
    • (2008) Phys. Med. Biol. , vol.53 , Issue.9 , pp. 2207-2231
    • Kudo, H.1
  • 16
    • 42649084336 scopus 로고    scopus 로고
    • Image covariance and lesion detectability in direct fan-beam x-ray computed tomography
    • A. Wunderlich and F. Noo, " Image covariance and lesion detectability in direct fan-beam x-ray computed tomography.," Phys. Med. Biol. 53 (10), 2471-2493 (2008).
    • (2008) Phys. Med. Biol. , vol.53 , Issue.10 , pp. 2471-2493
    • Wunderlich, A.1    Noo, F.2
  • 18
    • 33748300890 scopus 로고    scopus 로고
    • Properties of preprocessed sinogram data in x-ray computed tomography
    • B. R. Whiting, " Properties of preprocessed sinogram data in x-ray computed tomography.," Med. Phys. 33 (9), 3290-3303 (2006).
    • (2006) Med. Phys. , vol.33 , Issue.9 , pp. 3290-3303
    • Whiting, B.R.1
  • 19
    • 0035525266 scopus 로고    scopus 로고
    • Fast and accurate measurement of taste and smell thresholds using a maximum-likelihood adaptive staircase procedure
    • M. R. Linschoten, " Fast and accurate measurement of taste and smell thresholds using a maximum-likelihood adaptive staircase procedure.," Percept. Psychophys. 63 (8), 1330-1347 (2001).
    • (2001) Percept. Psychophys. , vol.63 , Issue.8 , pp. 1330-1347
    • Linschoten, M.R.1
  • 20
    • 23844530930 scopus 로고    scopus 로고
    • SPIE Medical Imaging 2005: The Physics of Medical Imaging, Vol.
    • P. Massoumzadeh, O. A. Earl, and B. R. Whiting, " Noise simulation in x-ray CT.," SPIE Medical Imaging 2005: The Physics of Medical Imaging, 2005, Vol. 5745, pp. 898-909.
    • (2005) Noise Simulation in X-ray CT , vol.5745 , pp. 898-909
    • Massoumzadeh, P.1    Earl, O.A.2    Whiting, B.R.3
  • 21
    • 33947260155 scopus 로고    scopus 로고
    • Penalized weighted least-squares approach to sinogram noise reduction and image reconstruction for low-dose x-ray computed tomography
    • J. Wang, " Penalized weighted least-squares approach to sinogram noise reduction and image reconstruction for low-dose x-ray computed tomography.," IEEE Trans. Med. Imaging 25 (10), 1272-1283 (2006).
    • (2006) IEEE Trans. Med. Imaging , vol.25 , Issue.10 , pp. 1272-1283
    • Wang, J.1
  • 24
    • 58149105719 scopus 로고    scopus 로고
    • U.S. National Institutes of Health, Bethesda, Maryland.
    • W. S. Rasband, ImageJ 1997-2006, U.S. National Institutes of Health, Bethesda, Maryland.
    • ImageJ 1997-2006
    • Rasband, W.S.1
  • 25
    • 0032603548 scopus 로고    scopus 로고
    • Dose reduction in CT by on-line tube current control: Principles and validation on phantoms and cadavers
    • W. A. Kalender, " Dose reduction in CT by on-line tube current control: Principles and validation on phantoms and cadavers.," Eur. Radiol. 9 (2), 323-328 (1999).
    • (1999) Eur. Radiol. , vol.9 , Issue.2 , pp. 323-328
    • Kalender, W.A.1
  • 26
    • 0003474751 scopus 로고
    • 2nd ed. (Cambridge University Press, New York), p
    • W. H. Press, Numerical Recipes in C, 2nd ed. (Cambridge University Press, New York, 1994), pp 620-623.
    • (1994) Numerical Recipes in C , pp. 620-623
    • Press, W.H.1
  • 27
    • 0003474751 scopus 로고
    • 2nd ed. (Cambridge University Press, New York)
    • W. H. Press, Numerical Recipes in C, 2nd ed. (Cambridge University Press, New York, 1994), pp. 660-661.
    • (1994) Numerical Recipes in C , pp. 660-661
    • Press, W.H.1
  • 29
    • 0002294353 scopus 로고
    • Combining independent tests of significance
    • R. A. Fisher, " Combining independent tests of significance.," Am. Stat. 2 (5), 30 (1948).
    • (1948) Am. Stat. , vol.2 , Issue.5 , pp. 30
    • Fisher, R.A.1
  • 30
    • 33748315657 scopus 로고    scopus 로고
    • Modeling noise in x-ray CT
    • (Washington University, St Louis, MO).
    • O. A. Earl, " Modeling noise in x-ray CT.," Electrical Engineering (Washington University, St Louis, MO, 2004).
    • (2004) Electrical Engineering
    • Earl, O.A.1
  • 32
    • 34347401255 scopus 로고    scopus 로고
    • The influence of patient centering on CT dose and image noise
    • T. Toth, Z. Ge, and M. P. Daly, " The influence of patient centering on CT dose and image noise.," Med. Phys. 34 (7), 3093-3101 (2007).
    • (2007) Med. Phys. , vol.34 , Issue.7 , pp. 3093-3101
    • Toth, T.1    Ge, Z.2    Daly, M.P.3
  • 35
    • 0028999842 scopus 로고
    • Comparison of receiver operating characteristic and forced choice observer performance measurement methods
    • A. E. Burgess, " Comparison of receiver operating characteristic and forced choice observer performance measurement methods.," Med. Phys. 22 (5), 643-655 (1995).
    • (1995) Med. Phys. , vol.22 , Issue.5 , pp. 643-655
    • Burgess, A.E.1
  • 37
    • 0016534414 scopus 로고
    • RMS granularity: Determination of just-noticeable differences
    • D. Zwick and D. L. Brothers, " RMS granularity: Determination of just-noticeable differences.," Photograph. Sci. Eng. 19 (4), 235-238 (1975).
    • (1975) Photograph. Sci. Eng. , vol.19 , Issue.4 , pp. 235-238
    • Zwick, D.1    Brothers, D.L.2
  • 40
    • 34147138229 scopus 로고    scopus 로고
    • Statistical reconstruction for x-ray computed tomography using energy-integrating detectors
    • G. M. Lasio, B. R. Whiting, and J. F. Williamson, " Statistical reconstruction for x-ray computed tomography using energy-integrating detectors.," Phys. Med. Biol. 52 (8), 2247-2266 (2007).
    • (2007) Phys. Med. Biol. , vol.52 , Issue.8 , pp. 2247-2266
    • Lasio, G.M.1    Whiting, B.R.2    Williamson, J.F.3
  • 41
    • 36448995009 scopus 로고    scopus 로고
    • Reduced-dose CT: Effect on reader evaluation in detection of pulmonary embolism
    • J. D. MacKenzie, " Reduced-dose CT: Effect on reader evaluation in detection of pulmonary embolism.," AJR, Am. J. Roentgenol. 189 (6), 1371-1379 (2007).
    • (2007) AJR, Am. J. Roentgenol. , vol.189 , Issue.6 , pp. 1371-1379
    • MacKenzie, J.D.1
  • 43
    • 0032812524 scopus 로고    scopus 로고
    • Experimental comparison of noise and resolution for 2k and 4k storage phosphor radiography systems
    • M. J. Flynn and E. Samei, " Experimental comparison of noise and resolution for 2k and 4k storage phosphor radiography systems.," Med. Phys. 26 (8), 1612-1623 (1999).
    • (1999) Med. Phys. , vol.26 , Issue.8 , pp. 1612-1623
    • Flynn, M.J.1    Samei, E.2
  • 45
    • 0034175543 scopus 로고    scopus 로고
    • Mean and variance of ratio estimators used in fluorescence ratio imaging
    • G. M. van Kempen and L. J. van Vliet, " Mean and variance of ratio estimators used in fluorescence ratio imaging.," Cytometry 39 (4), 300-305 (2000).
    • (2000) Cytometry , vol.39 , Issue.4 , pp. 300-305
    • Van Kempen, G.M.1    Van Vliet, L.J.2


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