The I-STAR Labs

Imaging for Surgery, Therapy, and Radiology

Johns Hopkins University

305 entries « 15 of 16 »
281.

Jeffrey H. Siewerdsen, Douglas J. Moseley, Shane Burch, Stuart K. Bisland, Arjen Bogaards, Brian C. Wilson, David A. Jaffray

Volume CT with a flat-panel detector on a mobile, isocentric C-arm: pre-clinical investigation in guidance of minimally invasive surgery Journal Article

In: Medical Physics, 32 (1), pp. 241-254, 2005, ISSN: 0094-2405.

Abstract | Links | BibTeX

282.

J Webster Stayman and Jeffrey A Fessler

Efficient calculation of resolution and covariance for penalized-likelihood reconstruction in fully 3-D SPECT. Journal Article

In: IEEE transactions on medical imaging, 23 (12), pp. 154315-56, 2004, ISSN: 0278-0062.

Abstract | Links | BibTeX

283.

Jeffrey H. Siewerdsen, Douglas J. Moseley, Babak Bakhtiar, Samuel Richard, David A. Jaffray

The influence of antiscatter grids on soft-tissue detectability in cone-beam computed tomography with flat-panel detectors Journal Article

In: Medical Physics, 31 (12), pp. 3506-3520, 2004, ISSN: 0094-2405.

Abstract | Links | BibTeX

284.

J H Siewerdsen, A M Waese, D J Moseley, S Richard, D A Jaffray

Spektr: a computational tool for x-ray spectral analysis and imaging system optimization Journal Article

In: Medical Physics, 31 (11), pp. 3057-3067, 2004, ISSN: 0094-2405.

Abstract | Links | BibTeX

285.

Auke Pieter Colijn, Wojciech Zbijewski, Alexander Sasov, Freek J. Beekman

Experimental validation of a rapid Monte Carlo based micro-CT simulator Journal Article

In: Physics in Medicine & Biology, 49 (18), pp. 4321-4333, 2004, ISSN: 0031-9155.

Abstract | Links | BibTeX

286.

J Webster Stayman and Jeffrey A Fessler

Compensation for nonuniform resolution using penalized-likelihood reconstruction in space-variant imaging systems Journal Article

In: IEEE transactions on medical imaging, 23 (3), pp. 269-284, 2004, ISSN: 0278-0062.

Abstract | Links | BibTeX

287.

Wojciech Zbijewski and Freek J Beekman

Characterization and suppression of edge and aliasing artefacts in iterative x-ray CT reconstruction Journal Article

In: Physics in medicine and biology, 49 (1), pp. 145-157, 2004, ISSN: 0031-9155.

Abstract | Links | BibTeX

288.

Wojciech Zbijewski and Freek J Beekman

Suppression of intensity transition artifacts in statistical x-ray computer tomography reconstruction through radon inversion initialization Journal Article

In: Medical Physics, 31 (1), pp. 62-69, 2004, ISSN: 0094-2405.

Abstract | Links | BibTeX

289.

Mark Oldham, Jeffrey H Siewerdsen, Sai Kumar, John Wong, David A Jaffray

Optical-CT Gel-Dosimetry I: Basic Investigations Journal Article

In: Medical physics, 30 (4), pp. 623-634, 2003, ISSN: 0094-2405.

Abstract | Links | BibTeX

290.

Jeffrey H. Siewerdsen, Ian A. Cunningham, David A. Jaffray

A framework for noise-power spectrum analysis of multidimensional images Journal Article

In: Medical Physics, 29 (11), pp. 2655-2671, 2002, ISSN: 0094-2405.

Abstract | Links | BibTeX

291.

David A. Jaffray, Jeffrey H. Siewerdsen, John W. Wong, Alvaro A. Martinez

Flat-panel cone-beam computed tomography for image-guided radiation therapy Journal Article

In: International Journal of Radiation Oncology, Biology, Physics, 53 (5), pp. 1337-1349, 2002, ISSN: 0360-3016.

Abstract | Links | BibTeX

292.

Burkhard A. Groh, Jeffrey H. Siewerdsen, Doug G. Drake, John W. Wong, David A. Jaffray

A performance comparison of flat-panel imager-based MV and kV cone-beam CT Journal Article

In: Medical Physics, 29 (6), pp. 967-975, 2002, ISSN: 0094-2405.

Abstract | Links | BibTeX

293.

J H Siewerdsen, D A Jaffray

Cone-beam computed tomography with a flat-panel imager: magnitude and effects of x-ray scatter Journal Article

In: Medical Physics, 28 (2), pp. 220-231, 2001, ISSN: 0094-2405.

Abstract | Links | BibTeX

294.

J Webster Stayman and Jeffrey A Fessler

Regularization for uniform spatial resolution properties in penalized-likelihood image reconstruction Journal Article

In: IEEE transactions on medical imaging, 19 (6), pp. 601-615, 2000, ISSN: 0278-0062.

Abstract | Links | BibTeX

295.

D A Jaffray, J H Siewerdsen

Cone-beam computed tomography with a flat-panel imager: initial performance characterization Journal Article

In: Medical physics, 27 (6), pp. 1311-1323, 2000, ISSN: 0094-2405.

Abstract | Links | BibTeX

296.

Larry E. Antonuk, Kyung-Wook Jee, Youcef El-Mohri, Manat Maolinbay, Sani Nassif, Xin Rong, Qihua Zhao, Jeffrey H. Siewerdsen, Robert A. Street, Khooshbu S. Shah

Strategies to improve the signal and noise performance of active matrix, flat-panel imagers for diagnostic x-ray applications Journal Article

In: Medical Physics, 27 (2), pp. 289-306, 2000, ISSN: 0094-2405.

Abstract | Links | BibTeX

297.

Jeffrey H Siewerdsen, D A Jaffray

Cone-beam computed tomography with a flat-panel imager: effects of image lag Journal Article

In: Medical Physics, 26 (12), pp. 2635-2647, 1999, ISSN: 0094-2405.

Abstract | Links | BibTeX

298.

Jeffrey H. Siewerdsen, David A. Jaffray

A ghost story: spatio-temporal response characteristics of an indirect-detection flat-panel imager Journal Article

In: Medical Physics, 26 (8), pp. 1624-1641, 1999, ISSN: 0094-2405.

Abstract | Links | BibTeX

299.

Youcef El-Mohri, Larry E. Antonuk, Jonathan Yorkston, Kyung-Wook Jee, Manat Maolinbay, K. L. Lam, Jeffrey H. Siewerdsen

Relative dosimetry using active matrix flat-panel imager (AMFPI) technology Journal Article

In: Medical Physics, 26 (8), pp. 1530-1541, 1999, ISSN: 0094-2405.

Abstract | Links | BibTeX

300.

Larry E. Antonuk, Youcef El-Mohri, Weidong Huang, Kyung-Wook Jee, Jeffrey H. Siewerdsen, Manat Maolinbay, Victor E. Scarpine, Howard M. Sandler, John Yorkston

Initial performance evaluation of an indirect-detection, active matrix flat-panel imager (AMFPI) prototype for megavoltage imaging Journal Article

In: International Journal of Radiation Oncology, Biology, Physics, 42 (2), pp. 437-454, 1998, ISSN: 0360-3016.

Abstract | Links | BibTeX

305 entries « 15 of 16 »