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Items: 1 to 50 of 203

1.

Fluid-filled dynamic bowtie filter: Description and comparison with other modulators.

Shunhavanich P, Hsieh SS, Pelc NJ.

Med Phys. 2019 Jan;46(1):127-139. doi: 10.1002/mp.13272. Epub 2018 Nov 29.

PMID:
30383310
2.

A framework for performance characterization of energy-resolving photon-counting detectors.

Persson M, Rajbhandary PL, Pelc NJ.

Med Phys. 2018 Nov;45(11):4897-4915. doi: 10.1002/mp.13172. Epub 2018 Oct 12.

PMID:
30191571
3.

Photon-counting CT: Technical Principles and Clinical Prospects.

Willemink MJ, Persson M, Pourmorteza A, Pelc NJ, Fleischmann D.

Radiology. 2018 Nov;289(2):293-312. doi: 10.1148/radiol.2018172656. Epub 2018 Sep 4.

PMID:
30179101
4.

Effect of Spectral Degradation and Spatio-Energy Correlation in X-Ray PCD for Imaging.

Rajbhandary PL, Hsieh SS, Pelc NJ.

IEEE Trans Med Imaging. 2018 Aug;37(8):1910-1919. doi: 10.1109/TMI.2018.2834369. Epub 2018 May 8.

PMID:
29993882
5.

Measurements of the Relationship Between CT Hounsfield Units and Acoustic Velocity and How It Changes With Photon Energy and Reconstruction Method.

Webb TD, Leung SA, Rosenberg J, Ghanouni P, Dahl JJ, Pelc NJ, Pauly KB.

IEEE Trans Ultrason Ferroelectr Freq Control. 2018 Jul;65(7):1111-1124. doi: 10.1109/TUFFC.2018.2827899.

PMID:
29993366
6.

Spectral resolution and high-flux capability tradeoffs in CdTe detectors for clinical CT.

Hsieh SS, Rajbhandary PL, Pelc NJ.

Med Phys. 2018 Apr;45(4):1433-1443. doi: 10.1002/mp.12799. Epub 2018 Mar 1.

PMID:
29418004
7.

Segmented targeted least squares estimator for material decomposition in multibin photon-counting detectors.

Rajbhandary PL, Hsieh SS, Pelc NJ.

J Med Imaging (Bellingham). 2017 Apr;4(2):023503. doi: 10.1117/1.JMI.4.2.023503. Epub 2017 May 18.

8.

Special Section Guest Editorial: Positron Emission Tomography: History, Current Status, and Future Prospects.

Pelc NJ, Kinahan PE, Pettigrew RI.

J Med Imaging (Bellingham). 2017 Jan;4(1):011001. doi: 10.1117/1.JMI.4.1.011001. Epub 2017 Mar 31. No abstract available.

9.

Image quality comparison between single energy and dual energy CT protocols for hepatic imaging.

Yao Y, Ng JM, Megibow AJ, Pelc NJ.

Med Phys. 2016 Aug;43(8):4877. doi: 10.1118/1.4959554.

PMID:
27487905
10.

Multisource inverse-geometry CT. Part II. X-ray source design and prototype.

Neculaes VB, Caiafa A, Cao Y, De Man B, Edic PM, Frutschy K, Gunturi S, Inzinna L, Reynolds J, Vermilyea M, Wagner D, Zhang X, Zou Y, Pelc NJ, Lounsberry B.

Med Phys. 2016 Aug;43(8):4617. doi: 10.1118/1.4954847.

11.

Multisource inverse-geometry CT. Part I. System concept and development.

De Man B, Uribe J, Baek J, Harrison D, Yin Z, Longtin R, Roy J, Waters B, Wilson C, Short J, Inzinna L, Reynolds J, Neculaes VB, Frutschy K, Senzig B, Pelc N.

Med Phys. 2016 Aug;43(8):4607. doi: 10.1118/1.4954846.

12.

A prototype piecewise-linear dynamic attenuator.

Hsieh SS, Peng MV, May CA, Shunhavanich P, Fleischmann D, Pelc NJ.

Phys Med Biol. 2016 Jul 7;61(13):4974-88. doi: 10.1088/0031-9155/61/13/4974. Epub 2016 Jun 10.

13.

Improving pulse detection in multibin photon-counting detectors.

Hsieh SS, Pelc NJ.

J Med Imaging (Bellingham). 2016 Apr;3(2):023505. doi: 10.1117/1.JMI.3.2.023505. Epub 2016 Jun 1.

14.

A limit on dose reduction possible with CT reconstruction algorithms without prior knowledge of the scan subject.

Hsieh SS, Chesler DA, Fleischmann D, Pelc NJ.

Med Phys. 2016 Mar;43(3):1361-8. doi: 10.1118/1.4941954.

15.

Digital Tomosynthesis System Geometry Analysis Using Convolution-Based Blur-and-Add (BAA) Model.

Wu M, Yoon S, Solomon EG, Star-Lack J, Pelc N, Fahrig R.

IEEE Trans Med Imaging. 2016 Jan;35(1):131-43. doi: 10.1109/TMI.2015.2458983. Epub 2015 Jul 21.

PMID:
26208308
16.

Raw data normalization for a multi source inverse geometry CT system.

Baek J, De Man B, Harrison D, Pelc NJ.

Opt Express. 2015 Mar 23;23(6):7514-26. doi: 10.1364/OE.23.007514.

17.

A dynamic attenuator improves spectral imaging with energy-discriminating, photon counting detectors.

Hsieh SS, Pelc NJ.

IEEE Trans Med Imaging. 2015 Mar;34(3):729-39. doi: 10.1109/TMI.2014.2360381. Epub 2014 Sep 25.

PMID:
25265628
18.

An algorithm to estimate the object support in truncated images.

Hsieh SS, Nett BE, Cao G, Pelc NJ.

Med Phys. 2014 Jul;41(7):071908. doi: 10.1118/1.4881521.

PMID:
24989386
19.

Control algorithms for dynamic attenuators.

Hsieh SS, Pelc NJ.

Med Phys. 2014 Jun;41(6):061907. doi: 10.1118/1.4875727.

20.

The piecewise-linear dynamic attenuator reduces the impact of count rate loss with photon-counting detectors.

Hsieh SS, Pelc NJ.

Phys Med Biol. 2014 Jun 7;59(11):2829-47. doi: 10.1088/0031-9155/59/11/2829. Epub 2014 May 13.

21.

Efficacy of fixed filtration for rapid kVp-switching dual energy x-ray systems.

Yao Y, Wang AS, Pelc NJ.

Med Phys. 2014 Mar;41(3):031914. doi: 10.1118/1.4866381.

PMID:
24593732
22.

A multi-source inverse-geometry CT system: initial results with an 8 spot x-ray source array.

Baek J, De Man B, Uribe J, Longtin R, Harrison D, Reynolds J, Neculaes B, Frutschy K, Inzinna L, Caiafa A, Senzig R, Pelc NJ.

Phys Med Biol. 2014 Mar 7;59(5):1189-202. doi: 10.1088/0031-9155/59/5/1189. Epub 2014 Feb 20.

23.

Dose reduction using a dynamic, piecewise-linear attenuator.

Hsieh SS, Fleischmann D, Pelc NJ.

Med Phys. 2014 Feb;41(2):021910. doi: 10.1118/1.4862079.

24.

Recent and future directions in CT imaging.

Pelc NJ.

Ann Biomed Eng. 2014 Feb;42(2):260-8. doi: 10.1007/s10439-014-0974-z. Epub 2014 Jan 17. Review.

25.

Dynamic bowtie for fan-beam CT.

Liu F, Wang G, Cong W, Hsieh SS, Pelc NJ.

J Xray Sci Technol. 2013;21(4):579-90. doi: 10.3233/XST-130386.

PMID:
24191994
26.

The feasibility of a piecewise-linear dynamic bowtie filter.

Hsieh SS, Pelc NJ.

Med Phys. 2013 Mar;40(3):031910. doi: 10.1118/1.4789630.

27.

The feasibility of an inverse geometry CT system with stationary source arrays.

Hsieh SS, Heanue JA, Funk T, Hinshaw WS, Wilfley BP, Solomon EG, Pelc NJ.

Med Phys. 2013 Mar;40(3):031904. doi: 10.1118/1.4789918.

28.

To bin or not to bin? The effect of CT system limiting resolution on noise and detectability.

Baek J, Pineda AR, Pelc NJ.

Phys Med Biol. 2013 Mar 7;58(5):1433-46. doi: 10.1088/0031-9155/58/5/1433. Epub 2013 Feb 11.

PMID:
23399724
29.

Novel motor design for rotating anode x-ray tubes operating in the fringe field of a magnetic resonance imaging system.

Lillaney P, Shin M, Hinshaw W, Bennett NR, Pelc N, Fahrig R.

Med Phys. 2013 Feb;40(2):022302. doi: 10.1118/1.4773313.

30.

Synthetic CT: simulating low dose single and dual energy protocols from a dual energy scan.

Wang AS, Pelc NJ.

Med Phys. 2011 Oct;38(10):5551-62. doi: 10.1118/1.3633895.

PMID:
21992373
31.

Effect of detector lag on CT noise power spectra.

Baek J, Pelc NJ.

Med Phys. 2011 Jun;38(6):2995-3005.

32.
33.
34.

Sufficient statistics as a generalization of binning in spectral X-ray imaging.

Wang AS, Pelc NJ.

IEEE Trans Med Imaging. 2011 Jan;30(1):84-93. doi: 10.1109/TMI.2010.2061862. Epub 2010 Aug 3.

PMID:
20682470
35.
36.

Fourier properties of the fan-beam sinogram.

Mazin SR, Pelc NJ.

Med Phys. 2010 Apr;37(4):1674-80.

PMID:
20443488
37.

In vivo hemodynamic analysis of intracranial aneurysms obtained by magnetic resonance fluid dynamics (MRFD) based on time-resolved three-dimensional phase-contrast MRI.

Isoda H, Ohkura Y, Kosugi T, Hirano M, Takeda H, Hiramatsu H, Yamashita S, Takehara Y, Alley MT, Bammer R, Pelc NJ, Namba H, Sakahara H.

Neuroradiology. 2010 Oct;52(10):921-8. doi: 10.1007/s00234-009-0635-3. Epub 2009 Dec 11.

PMID:
20012431
38.

Comparison of hemodynamics of intracranial aneurysms between MR fluid dynamics using 3D cine phase-contrast MRI and MR-based computational fluid dynamics.

Isoda H, Ohkura Y, Kosugi T, Hirano M, Alley MT, Bammer R, Pelc NJ, Namba H, Sakahara H.

Neuroradiology. 2010 Oct;52(10):913-20. doi: 10.1007/s00234-009-0634-4. Epub 2009 Dec 5.

39.
40.

Simulations of virtual PET/CT 3-D bronchoscopy imaging using a physical porcine lung-heart phantom.

Yerushalmi D, Mullick R, Quon A, Fahrig R, Pelc NJ, Fann JI, Gambhir SS.

Mol Imaging Biol. 2009 Jul-Aug;11(4):275-82. doi: 10.1007/s11307-009-0201-8. Epub 2009 May 12.

PMID:
19434462
41.
42.

Shimming with permanent magnets for the x-ray detector in a hybrid x-ray/ MR system.

Wen Z, Fahrig R, Williams ST, Pelc NJ.

Med Phys. 2008 Sep;35(9):3895-902.

43.

Noise considerations of three-point water-fat separation imaging methods.

Wen Z, Reeder SB, Pineda AR, Pelc NJ.

Med Phys. 2008 Aug;35(8):3597-606.

44.

Inverse-geometry volumetric CT system with multiple detector arrays for wide field-of-view imaging.

Mazin SR, Star-Lack J, Bennett NR, Pelc NJ.

Med Phys. 2007 Jun;34(6):2133-42.

PMID:
17654916
45.

Investigation of electron trajectories of an x-ray tube in magnetic fields of MR scanners.

Wen Z, Fahrig R, Conolly S, Pelc NJ.

Med Phys. 2007 Jun;34(6):2048-58.

PMID:
17654908
46.

Quantitative evaluation of the relaxivity effects of iodine on GD-DTPA enhanced MR arthrography.

Ganguly A, Gold GE, Butts Pauly K, Mayer D, Moseley MM, Pelc NJ, Fahrig R.

J Magn Reson Imaging. 2007 Jun;25(6):1219-25.

PMID:
17520728
47.

Study of increased radiation when an x-ray tube is placed in a strong magnetic field.

Wen Z, Pelc NJ, Nelson WR, Fahrig R.

Med Phys. 2007 Feb;34(2):408-18.

PMID:
17388157
48.

Visualization of hemodynamics in intracranial arteries using time-resolved three-dimensional phase-contrast MRI.

Yamashita S, Isoda H, Hirano M, Takeda H, Inagawa S, Takehara Y, Alley MT, Markl M, Pelc NJ, Sakahara H.

J Magn Reson Imaging. 2007 Mar;25(3):473-8.

PMID:
17279504
49.

T1- and T2-weighted fast spin-echo imaging of the brachial plexus and cervical spine with IDEAL water-fat separation.

Reeder SB, Yu H, Johnson JW, Shimakawa A, Brittain JH, Pelc NJ, Beaulieu CF, Gold GE.

J Magn Reson Imaging. 2006 Oct;24(4):825-32.

PMID:
16969792
50.

A prototype table-top inverse-geometry volumetric CT system.

Schmidt TG, Star-Lack J, Bennett NR, Mazin SR, Solomon EG, Fahrig R, Pelc NJ.

Med Phys. 2006 Jun;33(6):1867-78.

PMID:
16872094

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