Výsledky vyhledávání - "Elisabeth Hoppe"

Deep Learning-Based ECG-Free Cardiac Navigation for Multi-Dimensional and Motion-Resolved Continuous Magnetic Resonance Imaging

Autor: Alexander Preuhs, Mario Bacher, Elisabeth Hoppe, Bernhard Stimpel, Andreas Maier, Jens Wetzl, Seung Su Yoon, Philipp Roser

Publikováno v: IEEE Transactions on Medical Imaging. 40:2105-2117

For the clinical assessment of cardiac vitality, time-continuous tomographic imaging of the heart is used. To further detect e.g., pathological tissue, multiple imaging contrasts enable a thorough diagnosis using magnetic resonance imaging (MRI). For

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ca7280b37d820b37ab02cfaca14ab1f
https://doi.org/10.1109/tmi.2021.3073091

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Symmetry prior for epipolar consistency

Autor: Markus Kowarschik, Alexander Preuhs, Javad Fotouhi, Elisabeth Hoppe, Nassir Navab, Andreas Maier, Michael Manhart, Mathias Unberath

Publikováno v: International Journal of Computer Assisted Radiology and Surgery. 14:1541-1551

For a perfectly plane symmetric object, we can find two views—mirrored at the plane of symmetry—that will yield the exact same image of that object. In consequence, having one image of a plane symmetric object and a calibrated camera, we automati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce12336c73fc9d6e9f3c3d5044994519
https://doi.org/10.1007/s11548-019-02027-8

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X-ray Scatter Estimation Using Deep Splines

Autor: Markus Kowarschik, Alexander Preuhs, Rebecca Fahrig, Norbert Strobel, Annette Birkhold, Andreas Maier, Christopher Syben, Elisabeth Hoppe, Philipp Roser, Lina Felsner

Algorithmic X-ray scatter compensation is a desirable technique in flat-panel X-ray imaging and cone-beam computed tomography. State-of-the-art U-net based image translation approaches yielded promising results. As there are no physics constraints ap

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4958dc9c06d49675cbc20965e54f4a06

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2D Respiration Navigation Framework for 3D Continuous Cardiac Magnetic Resonance Imaging

Autor: Elisabeth Hoppe, Andreas Maier, Lina Felsner, Alexander Preuhs, Jens Wetzl, Philipp Roser

Publikováno v: Bildverarbeitung für die Medizin 2021 ISBN: 9783658331979
Bildverarbeitung für die Medizin

Continuous protocols for cardiac magnetic resonance imaging enable sampling of the cardiac anatomy simultaneously resolved into cardiac phases. To avoid respiration artifacts, associated motion during the scan has to be compensated for during reconst

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c75caf39233100f892d8c6cd99ba3b99
https://doi.org/10.1007/978-3-658-33198-6_38

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Appearance Learning for Image-based Motion Estimation in Tomography

Autor: Philipp Roser, Markus Kowarschik, Alexander Preuhs, Michael Manhart, Yixing Huang, Marios Psychogios, Andreas Maier, Elisabeth Hoppe

In tomographic imaging, anatomical structures are reconstructed by applying a pseudo-inverse forward model to acquired signals. Geometric information within this process is usually depending on the system setting only, i. e., the scanner position or

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0bb143178e661ad1feade2953e539b84
http://arxiv.org/abs/2006.10390

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Simultaneous Estimation of X-Ray Back-Scatter and Forward-Scatter Using Multi-task Learning

Autor: Markus Kowarschik, Andreas Maier, Alexander Preuhs, Elisabeth Hoppe, Norbert Strobel, Xia Zhong, Christopher Syben, Rebecca Fahrig, Annette Birkhold, Philipp Roser

Publikováno v: Medical Image Computing and Computer Assisted Intervention – MICCAI 2020 ISBN: 9783030597122
MICCAI (2)

Scattered radiation is a major concern impacting X-ray image-guided procedures in two ways. First, back-scatter significantly contributes to patient (skin) dose during complicated interventions. Second, forward-scattered radiation reduces contrast in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::949fb639f8199703e958b5dd15a0f060
https://doi.org/10.1007/978-3-030-59713-9_20

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Abstract: RinQ Fingerprinting

Autor: Christopher Syben, Heiko Meyer, Mathias Nittka, Franziska Schirrmacher, Florian Thamm, Elisabeth Hoppe, Josef Pfeuffer, Andreas Maier, Gregor Körzdörfer

Publikováno v: Informatik aktuell ISBN: 9783658292669
Bildverarbeitung für die Medizin

Recently, Magnetic Resonance Fingerprinting (MRF) was proposed as a quantitative imaging technique for the simultaneous acquisition of tissue parameters such as relaxation times T1 and T2. Although the acquisition is highly accelerated, the state-of-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::22a4c31597340b16e7f0735f643e3516
https://doi.org/10.1007/978-3-658-29267-6_38

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Accurate fatty acid composition estimation of adipose tissue in the abdomen based on bipolar multi‐echo MRI

Autor: Gemini Janas, Manuel Schneider, Andreas Maier, Brian M. Dale, Elisabeth Hoppe, Felix Lugauer, Dominik Nickel, Mustafa R. Bashir, Berthold Kiefer

Publikováno v: Magnetic Resonance in Medicine. 81:2330-2346

PURPOSE To develop a bipolar multi-echo MRI method for the accurate estimation of the adipose tissue fatty acid composition (FAC) using clinically relevant protocols at clinical field strength. METHODS The proposed technique jointly estimates confoun

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f857df7c994a19272ebaf51aa3be3439
https://doi.org/10.1002/mrm.27557

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Magnetic Resonance Fingerprinting Reconstruction Using Recurrent Neural Networks

Autor: Elisabeth, Hoppe, Florian, Thamm, Gregor, Körzdörfer, Christopher, Syben, Franziska, Schirrmacher, Mathias, Nittka, Josef, Pfeuffer, Heiko, Meyer, Andreas, Maier

Publikováno v: Studies in health technology and informatics. 267

Magnetic Resonance Fingerprinting (MRF) is an imaging technique acquiring unique time signals for different tissues. Although the acquisition is highly accelerated, the reconstruction time remains a problem, as the state-of-the-art template matching

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::9f26e81840d45eecc14289cf03dd0942
https://pubmed.ncbi.nlm.nih.gov/31483264

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