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Freek Beekman
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10
van Rijk, Peter
9
Viergever, Max
9
de Jong, Hugo
8
Zbijewski, Wojciech
7
Kamphuis, Chris
7
Vastenhouw, Brendan
7
van der Have, Frans
6
Staelens, Steven
6
de Wit, Tim
3
Kole, JS
3
Slijpen, ET
3
Hutton, Brian
3
Xiao, Jianbin
2
Smidt, Marten
2
Nijsen, Johannes
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All Publications
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2009: Goorden M C; Rentmeester M C M; Beekman F J
Theoretical analysis of full-ring multi-pinhole brain SPECT.
Physics in medicine and biology 2009;54(21):6593-610.
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2009: Korevaar Marc A N; Heemskerk Jan W T; Beekman Freek J
A pinhole gamma camera with optical depth-of-interaction elimination.
Physics in medicine and biology 2009;54(13):N267-72.
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2009: Schaart Dennis R; van Dam Herman T; Seifert Stefan; Vinke Ruud; Dendooven Peter; Löhner Herbert; Beekman Freek J
A novel, SiPM-array-based, monolithic scintillator detector for PET.
Physics in medicine and biology 2009;54(11):3501-12.
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2009: Heemskerk Jan W T; Korevaar Marc A N; Kreuger Rob; Ligtvoet C M; Schotanus Paul; Beekman Freek J
A micro-machined retro-reflector for improving light yield in ultra-high-resolution gamma cameras.
Physics in medicine and biology 2009;54(10):3003-14.
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2009: van der Have Frans; Vastenhouw Brendan; Ramakers Ruud M; Branderhorst Woutjan; Krah Jens O; Ji Changguo; Staelens Steven G; Beekman Freek J
U-SPECT-II: An Ultra-High-Resolution Device for Molecular Small-Animal Imaging.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2009;50(4):599-605.
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2009: Korevaar Marc A N; Heemskerk Jan W T; Goorden Marlies C; Beekman Freek J
Multi-scale algorithm for improved scintillation detection in a CCD-based gamma camera.
Physics in medicine and biology 2009;54(4):831-42.
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2008: Jongen Cynthia; de Bruin Kora; Beekman Freek; Booij Jan
SPECT imaging of D2 dopamine receptors and endogenous dopamine release in mice.
European journal of nuclear medicine and molecular imaging 2008;35(9):1692-8.
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2008: Staelens Steven G; de Wit Tim C; Lemahieu Ignace A; Beekman Freek J
Degradation of myocardial perfusion SPECT images caused by contaminants in thallous (201Tl) chloride.
European journal of nuclear medicine and molecular imaging 2008;35(5):922-32.
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2008: van der Have Frans; Vastenhouw Brendan; Rentmeester Mart; Beekman Freek J
System calibration and statistical image reconstruction for ultra-high resolution stationary pinhole SPECT.
IEEE transactions on medical imaging 2008;27(7):960-71.
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2007: Vastenhouw B; van der Have F; van der Linden A J A; von Oerthel L; Booij J; Burbach J P H; Smidt M P; Beekman F J
Movies of dopamine transporter occupancy with ultra-high resolution focusing pinhole SPECT.
Molecular psychiatry 2007;12(11):984-7.
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2007: Beekman Freek; Hutton Brian F
Multi-modality imaging on track.
European journal of nuclear medicine and molecular imaging 2007;34(9):1410-4.
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2007: Staelens Steven; de Wit Tim; Beekman Freek
Fast hybrid SPECT simulation including efficient septal penetration modelling (SP-PSF).
Physics in medicine and biology 2007;52(11):3027-43.
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2007: Seevinck Peter R; Seppenwoolde Jan-Henry; de Wit Tim C; Nijsen Johannes F W; Beekman Freek J; van Het Schip Alfred D; Bakker Chris J G
Factors affecting the sensitivity and detection limits of MRI, CT, and SPECT for multimodal diagnostic and therapeutic agents.
Anti-cancer agents in medicinal chemistry 2007;7(3):317-34.
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2007: Rentmeester M C M; van der Have F; Beekman F J
Optimizing multi-pinhole SPECT geometries using an analytical model.
Physics in medicine and biology 2007;52(9):2567-81.
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2007: Heemskerk Jan W T; Westra Albert H; Linotte Peter M; Ligtvoet Kees M; Zbijewski Wojciech; Beekman Freek J
Front-illuminated versus back-illuminated photon-counting CCD-based gamma camera: important consequences for spatial resolution and energy resolution.
Physics in medicine and biology 2007;52(8):N149-62.
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2007: Xiao Jianbin; de Wit Tim C; Zbijewski Wojciech; Staelens Steven G; Beekman Freek J
Evaluation of 3D Monte Carlo-based scatter correction for 201Tl cardiac perfusion SPECT.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2007;48(4):637-44.
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2007: Vastenhouw Brendan; Beekman Freek
Submillimeter total-body murine imaging with U-SPECT-I.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2007;48(3):487-93.
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2007: Beekman Freek; van der Have Frans
The pinhole: gateway to ultra-high-resolution three-dimensional radionuclide imaging.
European journal of nuclear medicine and molecular imaging 2007;34(2):151-61.
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2007: Zbijewski Wojciech; Defrise Michel; Viergever Max A; Beekman Freek J
Statistical reconstruction for x-ray CT systems with non-continuous detectors.
Physics in medicine and biology 2007;52(2):403-18.
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2006: Xiao Jianbin; de Wit Tim C; Staelens Steven G; Beekman Freek J
Evaluation of 3D Monte Carlo-based scatter correction for 99mTc cardiac perfusion SPECT.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2006;47(10):1662-9.
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2006: de Wit Tim C; Xiao Jianbin; Nijsen J Frank W; van het Schip Fred D; Staelens Steven G; van Rijk Peter P; Beekman Freek J
Hybrid scatter correction applied to quantitative holmium-166 SPECT.
Physics in medicine and biology 2006;51(19):4773-87.
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2006: Zbijewski Wojciech; Beekman Freek J
Efficient Monte Carlo based scatter artifact reduction in cone-beam micro-CT.
IEEE transactions on medical imaging 2006;25(7):817-27.
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2006: Zbijewski Wojciech; Beekman Freek J
Comparison of methods for suppressing edge and aliasing artefacts in iterative x-ray CT reconstruction.
Physics in medicine and biology 2006;51(7):1877-89.
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2006: Kole J S; Beekman F J
Evaluation of accelerated iterative x-ray CT image reconstruction using floating point graphics hardware.
Physics in medicine and biology 2006;51(4):875-89.
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2005: Beekman Freek J; van der Have Frans; Vastenhouw Brendan; van der Linden Annemarie J A; van Rijk Peter P; Burbach J Peter H; Smidt Marten P
U-SPECT-I: a novel system for submillimeter-resolution tomography with radiolabeled molecules in mice.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2005;46(7):1194-200.
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2005: Beekman Freek J; de Vree Gerralt A
Photon-counting versus an integrating CCD-based gamma camera: important consequences for spatial resolution.
Physics in medicine and biology 2005;50(12):N109-19.
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2005: Kole J S; Beekman F J
Parallel statistical image reconstruction for cone-beam x-ray CT on a shared memory computation platform.
Physics in medicine and biology 2005;50(6):1265-72.
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2005: Kole J S; Beekman F J
Evaluation of the ordered subset convex algorithm for cone-beam CT.
Physics in medicine and biology 2005;50(4):613-23.
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2004: Beekman Freek J; Vastenhouw Brendan
Design and simulation of a high-resolution stationary SPECT system for small animals.
Physics in medicine and biology 2004;49(19):4579-92.
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2004: Colijn A P; Zbijewski W; Sasov A; Beekman F J
Experimental validation of a rapid Monte Carlo based micro-CT simulator.
Physics in medicine and biology 2004;49(18):4321-33.
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2004: Bokulic Tomislav; Vastenhouw Brendan; de Jong Hugo W A M; van Dongen Alice J; van Rijk Peter P; Beekman Freek J
Monte Carlo-based down-scatter correction of SPECT attenuation maps.
European journal of nuclear medicine and molecular imaging 2004;31(8):1173-81.
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2004: Colijn A P; Beekman F J
Accelerated simulation of cone beam X-ray scatter projections.
IEEE transactions on medical imaging 2004;23(5):584-90.
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2004: van der Have Frans; Beekman Freek J
Photon penetration and scatter in micro-pinhole imaging: a Monte Carlo investigation.
Physics in medicine and biology 2004;49(8):1369-86.
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2004: Zbijewski Wojciech; Beekman Freek J
Characterization and suppression of edge and aliasing artefacts in iterative x-ray CT reconstruction.
Physics in medicine and biology 2004;49(1):145-57.
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2004: Zbijewski Wojciech; Beekman Freek J
Suppression of intensity transition artifacts in statistical x-ray computer tomography reconstruction through radon inversion initialization.
Medical physics 2004;31(1):62-9.
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2003: van Isselt Johannes W; de Klerk John M H; van Rijk Peter P; van Gils Adrianus P G; Polman Lambertus J; Kamphuis Chris; Meijer Rudy; Beekman Freek J
Comparison of methods for thyroid volume estimation in patients with Graves' disease.
European journal of nuclear medicine and molecular imaging 2003;30(4):525-31.
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2002: Beekman Freek J; de Jong Hugo W A M; van Geloven Sander
Efficient fully 3-D iterative SPECT reconstruction with Monte Carlo-based scatter compensation.
IEEE transactions on medical imaging 2002;21(8):867-77.
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2002: de Jong H W A M; Beekman F J; Viergever M A; van Rijk P P
Simultaneous (99m)Tc/(201)Tl dual-isotope SPET with Monte Carlo-based down-scatter correction.
European journal of nuclear medicine and molecular imaging 2002;29(8):1063-71.
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2002: Beekman Freek J; McElroy David P; Berger Frank; Gambhir Sanjiv S; Hoffman Edward J; Cherry Simon R
Towards in vivo nuclear microscopy: iodine-125 imaging in mice using micro-pinholes.
European journal of nuclear medicine and molecular imaging 2002;29(7):933-8.
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2002: Gieles Mark; de Jong Hugo W A M; Beekman Freek J
Monte Carlo simulations of pinhole imaging accelerated by kernel-based forced detection.
Physics in medicine and biology 2002;47(11):1853-67.
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2002: de Jong Hugo W A M; Wang Wen-Tung; Frey Eric C; Viergever Max A; Beekman Freek J
Efficient simulation of SPECT down-scatter including photon interactions with crystal and lead.
Medical physics 2002;29(4):550-60.
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2002: Goertzen Andrew L; Beekman Freek J; Cherry Simon R
Effect of phantom voxelization in CT simulations.
Medical physics 2002;29(4):492-8.
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2002: King Michael A; Pretorius P Hendrik; Farncombe Troy; Beekman Freek J
Introduction to the physics of molecular imaging with radioactive tracers in small animals.
Journal of cellular biochemistry. Supplement 2002;39():221-30.
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2001: de Jong H W; Beekman F J
Rapid SPECT simulation of downscatter in non-uniform media.
Physics in medicine and biology 2001;46(3):621-35.
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2001: Beekman F J; Kamphuis C; King M A; van Rijk P P; Viergever M A
Improvement of image resolution and quantitative accuracy in clinical Single Photon Emission Computed Tomography.
Computerized medical imaging and graphics : the official journal of the Computerized Medical Imaging Society 2001;25(2):135-46.
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2001: Lau Y H; Hutton B F; Beekman F J
Choice of collimator for cardiac SPET when resolution compensation is included in iterative reconstruction.
European journal of nuclear medicine 2001;28(1):39-47.
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2000: Beekman F J; Defrise M; Viergever M A
Volumetric reconstruction of medical images.
IEEE transactions on medical imaging 2000;19(5):357-60.
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1999: Beekman F J; Slijpen E T; de Jong H W; Viergever M A
Estimation of the depth-dependent component of the point spread function of SPECT.
Medical physics 1999;26(11):2311-22.
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1999: Beekman F J; de Jong H W; Slijpen E T
Efficient SPECT scatter calculation in non-uniform media using correlated Monte Carlo simulation.
Physics in medicine and biology 1999;44(8):N183-92.
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1999: de Jong H W; Beekman F J; Ljungberg M; van Rijk P P
The influence of backscatter material on 99mTc and 201Tl line source responses.
Physics in medicine and biology 1999;44(3):665-79.
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1999: Vonken E P; Beekman F J; Bakker C J; Viergever M A
Maximum likelihood estimation of cerebral blood flow in dynamic susceptibility contrast MRI.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 1999;41(2):343-50.
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1998: Kamphuis C; Beekman F J
Accelerated iterative transmission CT reconstruction using an ordered subsets convex algorithm.
IEEE transactions on medical imaging 1998;17(6):1101-5.
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1998: Beekman F J; Kamphuis C; Hutton B F; van Rijk P P
Half-fanbeam collimators combined with scanning point sources for simultaneous emission-transmission imaging.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine 1998;39(11):1996-2003.
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1998: Beekman F J; Slijpen E T; Niessen W J
Selection of task-dependent diffusion filters for the post-processing of SPECT images.
Physics in medicine and biology 1998;43(6):1713-30.
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1998: Kamphuis C; Beekman F J; van Rijk P P; Viergever M A
Dual matrix ordered subsets reconstruction for accelerated 3D scatter compensation in single-photon emission tomography.
European journal of nuclear medicine 1998;25(1):8-18.
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1997: Beekman F J; Kamphuis C; Frey E C
Scatter compensation methods in 3D iterative SPECT reconstruction: a simulation study.
Physics in medicine and biology 1997;42(8):1619-32.
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1997: Hutton B F; Hudson H M; Beekman F J
A clinical perspective of accelerated statistical reconstruction.
European journal of nuclear medicine 1997;24(7):797-808.
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1997: Beekman F J; den Harder J M; Viergever M A; van Rijk P P
SPECT scatter modelling in non-uniform attenuating objects.
Physics in medicine and biology 1997;42(6):1133-42.
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1996: Beekman F J; Kamphuis C; Viergever M A
Improved SPECT quantitation using fully three-dimensional iterative spatially variant scatter response compensation.
IEEE transactions on medical imaging 1996;15(4):491-9.
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