Publications by authors named "Patrick A Helm"

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Self-Supervised Feature Detection and 3D Reconstruction for Real-Time Neuroendoscopic Guidance.
Prasad Vagdargi, Ali Uneri, Stephen Z Liu, Craig K Jones, Alejandro Sisniega, Patrick A Helm

IEEE Trans Biomed Eng· July 2025

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Deformable registration of preoperative MR and intraoperative long-length tomosynthesis images for guidance of spine surgery via image synthesis.
Yixuan Huang, Xiaoxuan Zhang, Yicheng Hu, Ashley R Johnston, Craig K Jones, Patrick A Helm

Comput Med Imaging Graph· June 2024

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Combining physics-based models with deep learning image synthesis and uncertainty in intraoperative cone-beam CT of the brain.
Xiaoxuan Zhang, Alejandro Sisniega, Wojciech B Zbijewski, Junghoon Lee, Craig K Jones, Patrick A Helm

Med Phys· May 2023

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Deformable 3D-2D image registration and analysis of global spinal alignment in long-length intraoperative spine imaging.
Xiaoxuan Zhang, Ali Uneri, Yixuan Huang, Craig K Jones, Timothy F Witham, Patrick A Helm

Med Phys· September 2022

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Technical assessment of 2D and 3D imaging performance of an IGZO-based flat-panel X-ray detector.
Niral M Sheth, Ali Uneri, Patrick A Helm, Wojciech Zbijewski, Jeffrey H Siewerdsen

Med Phys· May 2022

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Pre-Clinical Development of Robot-Assisted Ventriculoscopy for 3D Image Reconstruction and Guidance of Deep Brain Neurosurgery.
Prasad Vagdargi, Ali Uneri, Craig K Jones, Pengwei Wu, Runze Han, Patrick A Helm

IEEE Trans Med Robot Bionics· February 2022

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Intraoperative cone-beam and slot-beam CT: 3D image quality and dose with a slot collimator on the O-arm imaging system.
Xiaoxuan Zhang, Wojciech Zbijewski, Yixuan Huang, Ali Uneri, Craig K Jones, Patrick A Helm

Med Phys· November 2021

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Sinogram + image domain neural network approach for metal artifact reduction in low-dose cone-beam computed tomography.
Michael D Ketcha, Michael Marrama, Andre Souza, Ali Uneri, Pengwei Wu, Patrick A Helm

J Med Imaging (Bellingham)· September 2021

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Long-length tomosynthesis and 3D-2D registration for intraoperative assessment of spine instrumentation.
Xiaoxuan Zhang, Ali Uneri, Pengwei Wu, Michael D Ketcha, Craig K Jones, Patrick A Helm

Phys Med Biol· February 2021

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Spinal Navigation and Imaging: History, Trends, and Future.
Patrick A Helm, Robert Teichman, Steven L Hartmann, David Simon

IEEE Trans Med Imaging· August 2015

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Wall-motion based analysis of global and regional left atrial mechanics.
Christian B Moyer, Patrick A Helm, Christopher J Clarke, Loren P Budge, Christopher M Kramer

IEEE Trans Med Imaging· October 2013

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Serial ultrasound evaluation of intramyocardial strain after reperfused myocardial infarction reveals that remote zone dyssynchrony develops in concert with left ventricular remodeling.
Yinbo Li, Christopher D Garson, Yaqin Xu, Patrick A Helm, John A Hossack

Ultrasound Med Biol· July 2011

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Balanced multipoint displacement encoding for DENSE MRI.
Xiaodong Zhong, Patrick A Helm, Frederick H Epstein

Magn Reson Med· April 2009

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Imaging two-dimensional displacements and strains in skeletal muscle during joint motion by cine DENSE MR.
Xiaodong Zhong, Frederick H Epstein, Bruce S Spottiswoode, Patrick A Helm, Silvia S Blemker

J Biomech· June 2008

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Postinfarction myocardial scarring in mice: molecular MR imaging with use of a collagen-targeting contrast agent.
Patrick A Helm, Peter Caravan, Brent A French, Vincent Jacques, Luhua Shen

Radiology· June 2008

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Collagen-targeted MRI contrast agent for molecular imaging of fibrosis.
Peter Caravan, Biplab Das, Stéphane Dumas, Frederick H Epstein, Patrick A Helm

Angew Chem Int Ed Engl· January 2008

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Multi-parameter in vivo cardiac magnetic resonance imaging demonstrates normal perfusion reserve despite severely attenuated beta-adrenergic functional response in neuronal nitric oxide synthase knockout mice.
Moriel H Vandsburger, Brent A French, Patrick A Helm, Rene Jack Roy, Christopher M Kramer

Eur Heart J· November 2007

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Three-dimensional mapping of optimal left ventricular pacing site for cardiac resynchronization.
Robert H Helm, Melissa Byrne, Patrick A Helm, Samantapudi K Daya, Nael F Osman

Circulation· February 2007

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Evidence of structural remodeling in the dyssynchronous failing heart.
Patrick A Helm, Laurent Younes, Mirza F Beg, Daniel B Ennis, Christophe Leclercq

Circ Res· January 2006

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Ex vivo 3D diffusion tensor imaging and quantification of cardiac laminar structure.
Patrick A Helm, Hsiang-Jer Tseng, Laurent Younes, Elliot R McVeigh, Raimond L Winslow

Magn Reson Med· October 2005

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Visualization of tensor fields using superquadric glyphs.
Daniel B Ennis, Gordon Kindlman, Ignacio Rodriguez, Patrick A Helm, Elliot R McVeigh

Magn Reson Med· January 2005

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Computational cardiac anatomy using MRI.
Mirza Faisal Beg, Patrick A Helm, Elliot McVeigh, Michael I Miller, Raimond L Winslow

Magn Reson Med· November 2004

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Novel technique for cardiac electromechanical mapping with magnetic resonance imaging tagging and an epicardial electrode sock.
Owen P Faris, Frank J Evans, Daniel B Ennis, Patrick A Helm, Joni L Taylor

Ann Biomed Eng· April 2003

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Evaluation of registration methods used in frameless stereotactic surgery for the lumbar and cervical regions of the spine.
Jacob M Buchowski, Patrick A Helm, Cameron B Huckell, Lee H Riley, David B Cohen

Am J Orthop (Belle Mead NJ)· February 2003

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