Search Results - "Siewerdsen, JH"

Fracture reduction planning and guidance in orthopaedic trauma surgery via multi-body image registration by Han, R, Uneri, A, Vijayan, RC, Wu, P, Vagdargi, P, Sheth, N, Vogt, S, Kleinszig, G, Osgood, GM, Siewerdsen, JH

“…•Registration framework for reduction planning and guidance in pelvic trauma surgery.•Continuous max-flow segmentation of bone fragments in…”
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Correction of patient motion in cone-beam CT using 3D-2D registration by Ouadah, S, Jacobson, M, Stayman, J W, Ehtiati, T, Weiss, C, Siewerdsen, J H

“…Cone-beam CT (CBCT) is increasingly common in guidance of interventional procedures, but can be subject to artifacts arising from patient motion during fairly…”
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Flat-panel cone-beam computed tomography for image-guided radiation therapy by Jaffray, David A, Siewerdsen, Jeffrey H, Wong, John W, Martinez, Alvaro A

“…Geometric uncertainties in the process of radiation planning and delivery constrain dose escalation and induce normal tissue complications. An imaging system…”
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Accurate technique for complete geometric calibration of cone-beam computed tomography systems by Cho, Youngbin, Moseley, Douglas J., Siewerdsen, Jeffrey H., Jaffray, David A.

“…Cone-beam computed tomography systems have been developed to provide in situ imaging for the purpose of guiding radiation therapy. Clinical systems have been…”
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Known-component 3D-2D registration for quality assurance of spine surgery pedicle screw placement by Uneri, A, De Silva, T, Stayman, J W, Kleinszig, G, Vogt, S, Khanna, A J, Gokaslan, Z L, Wolinsky, J-P, Siewerdsen, J H

“…A 3D-2D image registration method is presented that exploits knowledge of interventional devices (e.g. K-wires or spine screws-referred to as 'known…”
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Operational Ontology for Oncology (O3) – A Professional Society Based, Multi-Stakeholder, Consensus Driven Informatics Standard Supporting Clinical and Research use of “Real -World” Data from Patients Treated for Cancer: Operational Ontology for Radiation Oncology by Mayo, CS, Feng, MU, Brock, KK, Kudner, R, Balter, P, Buchsbaum, JC, Caissie, A, Covington, E, Daugherty, EC, Dekker, AL, Fuller, CD, Hallstrom, AL, Hong, DS, Hong, JC, Kamran, SC, Katsoulakis, E, Kildea, J, Krauze, AV, Kruse, JJ, McNutt, T, Mierzwa, M, Moreno, A, Palta, JR, Popple, R, Purdie, TG, Richardson, S, Sharp, GC, Shiraishi, S, Tarbox, L, Venkatesan, AM, Witztum, A, Woods, KE, Yao, J, Farahani, K, Aneja, S, Gabriel, PE, Hadjiiski, L, Ruan, D, Siewerdsen, JH, Bratt, S, Casagni, M, Chen, S, Christodouleas, J, DiDonato, A, Hayman, J, Kapoor, R, Kravitz, S, Sebastian, S, Von Siebenthal, M, Xiao, Y

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WE-AB-BRA-08: Correction of Patient Motion in C-Arm Cone-Beam CT Using 3D-2D Registration by Ouadah, S, Jacobson, M, Stayman, JW, Ehtiati, T, Siewerdsen, JH

“…Purpose: Intraoperative C-arm cone-beam CT (CBCT) is subject to artifacts arising from patient motion during the fairly long (∼5–20 s) scan times. We present a…”
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Cone-beam computed tomography with a flat-panel imager: Initial performance characterization by Jaffray, D. A., Siewerdsen, J. H.

“…The development and performance of a system for x-ray cone-beam computed tomography (CBCT) using an indirect-detection flat-panel imager (FPI) is presented…”
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Cone-beam computed tomography with a flat-panel imager: Magnitude and effects of x-ray scatter by Siewerdsen, Jeffrey H., Jaffray, David A.

“…A system for cone-beam computed tomography (CBCT) based on a flat-panel imager (FPI) is used to examine the magnitude and effects of x-ray scatter in FPI-CBCT…”
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A simple, direct method for x-ray scatter estimation and correction in digital radiography and cone-beam CT by Siewerdsen, J. H., Daly, M. J., Bakhtiar, B., Moseley, D. J., Richard, S., Keller, H., Jaffray, D. A.

“…X-ray scatter poses a significant limitation to image quality in cone-beam CT (CBCT), resulting in contrast reduction, image artifacts, and lack of CT number…”
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Volume CT with a flat-panel detector on a mobile, isocentric C-arm: Pre-clinical investigation in guidance of minimally invasive surgery by Siewerdsen, J. H., Moseley, D. J., Burch, S., Bisland, S. K., Bogaards, A., Wilson, B. C., Jaffray, D. A.

“…A mobile isocentric C-arm (Siemens PowerMobil) has been modified in our laboratory to include a large area flat-panel detector (in place of the x-ray image…”
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Prostate gland motion assessed with cine-magnetic resonance imaging (cine-MRI) by Ghilezan, Michel J, Jaffray, David A, Siewerdsen, Jeffrey H, Van Herk, Marcel, Shetty, Anil, Sharpe, Michael B, Zafar Jafri, Syed, Vicini, Frank A, Matter, Richard C, Brabbins, Donald S, Martinez, Alvaro A

“…To quantify prostate motion during a radiation therapy treatment using cine-magnetic resonance imaging (cine-MRI) for time frames comparable to that expected…”
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Cone-beam-CT guided radiation therapy: technical implementation by Létourneau, Daniel, Wong, John W., Oldham, Mark, Gulam, Misbah, Watt, Lindsay, Jaffray, David A., Siewerdsen, Jeffrey H., Martinez, Alvaro A.

“…X-ray volumetric imaging system (XVI) mounted on a linear accelerator is available for image guidance applications. In preparation for clinical implementation,…”
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WE-AB-BRA-09: Registration of Preoperative MRI to Intraoperative Radiographs for Automatic Vertebral Target Localization by De Silva, T, Uneri, A, Ketcha, M, Reaungamornrat, S, Goerres, J, Vogt, S, Kleinszig, G, Wolinsky, J, Siewerdsen, JH

“…Purpose: Accurate localization of target vertebrae is essential to safe, effective spine surgery, but wrong-level surgery occurs with surprisingly high…”
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Spektr: A computational tool for x-ray spectral analysis and imaging system optimization by Siewerdsen, J. H., Waese, A. M., Moseley, D. J., Richard, S., Jaffray, D. A.

“…A set of computational tools are presented that allow convenient calculation of x-ray spectra, selection of elemental and compound filters, and calculation of…”
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The influence of antiscatter grids on soft-tissue detectability in cone-beam computed tomography with flat-panel detectors by Siewerdsen, J. H., Moseley, D. J., Bakhtiar, B., Richard, S., Jaffray, D. A.

“…The influence of antiscatter x-ray grids on image quality in cone-beam computed tomography (CT) is evaluated through broad experimental investigation for…”
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WE‐EF‐207‐03: Design and Optimization of a CBCT Head Scanner for Detection of Acute Intracranial Hemorrhage by Xu, J, Sisniega, A, Zbijewski, W, Dang, H, Stayman, J, Wang, X, Foos, DH, Aygun, N, Koliatsos, V, Siewerdsen, JH

“…Purpose: To design a dedicated x‐ray cone‐beam CT (CBCT) system suitable to deployment at the point‐of‐care and offering reliable detection of acute…”
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The stability of mechanical calibration for a kV cone beam computed tomography system integrated with linear accelerator by Sharpe, Michael B., Moseley, Douglas J., Purdie, Thomas G., Islam, Mohammad, Siewerdsen, Jeffrey H., Jaffray, David A.

“…The geometric accuracy and precision of an image-guided treatment system were assessed. Image guidance is performed using an x-ray volume imaging (XVI) system…”
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A framework for noise-power spectrum analysis of multidimensional images by Siewerdsen, J. H., Cunningham, I. A., Jaffray, D. A.

“…A methodological framework for experimental analysis of the noise-power spectrum (NPS) of multidimensional images is presented that employs well-known…”
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Integration of Free-Hand 3D Ultrasound and Mobile C-Arm Cone-Beam CT: Feasibility and Characterization for Real-Time Guidance of Needle Insertion by Marinetto, E, Uneri, A, De Silva, T, Reaungamornrat, S, Zbijewski, W, Sisniega, A, Vogt, S, Kleinszig, G, Pascau, J, Siewerdsen, J.H

“…Highlights • Development of an ultrasound-CBCT system for image-guided needle interventions, integrating a low-cost ultrasound system (Interson VC 7.5 MHz,…”
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