Search Results - "FIGL, Michael"

X-ray attenuation of bone, soft and adipose tissue in CT from 70 to 140 kV and comparison with 3D printable additive manufacturing materials by Ma, Xiangjie, Figl, Michael, Unger, Ewald, Buschmann, Martin, Homolka, Peter

“…Additive manufacturing and 3D printing are widely used in medical imaging to produce phantoms for image quality optimization, imaging protocol definition,…”
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Deformable registration of 3D ultrasound volumes using automatic landmark generation by Figl, Michael, Hoffmann, Rainer, Kaar, Marcus, Hummel, Johann

“…US image registration is an important task e.g. in Computer Aided Surgery. Due to tissue deformation occurring between pre-operative and interventional images…”
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Toward on-the-fly trajectory optimization for C-arm CBCT under strong kinematic constraints by Hatamikia, Sepideh, Biguri, Ander, Kronreif, Gernot, Figl, Michael, Russ, Tom, Kettenbach, Joachim, Buschmann, Martin, Birkfellner, Wolfgang

“…Cone beam computed tomography (CBCT) has become a vital tool in interventional radiology. Usually, a circular source-detector trajectory is used to acquire a…”
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3D ultrasound guided navigation system with hybrid image fusion by Iommi, David, Valladares, Alejandra, Figl, Michael, Grahovac, Marko, Fichtinger, Gabor, Hummel, Johann

“…A prototype of a navigation system to fuse two image modalities is presented. The standard inter-modality registration is replaced with a tracker-based image…”
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A phantom study on the applicability of a detectability index in ultrasound imaging by Songsaeng, Chatsuda, Köhrer, Johannes, Ortner, Markus, Zalka, Lukas, Salomon, Elisabeth, Huber, Sten, Homolka, Peter, Kollmann, Christian, Figl, Michael, Hummel, Johann

“…The assessment of clinical image quality on ultrasound is currently often subjective . While image quality factors such as contrast response or depth of…”
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Monitoring tumor motion by real time 2D/3D registration during radiotherapy by Gendrin, Christelle, Furtado, Hugo, Weber, Christoph, Bloch, Christoph, Figl, Michael, Pawiro, Supriyanto Ardjo, Bergmann, Helmar, Stock, Markus, Fichtinger, Gabor, Georg, Dietmar, Birkfellner, Wolfgang

“…Abstract Background and purpose In this paper, we investigate the possibility to use X-ray based real time 2D/3D registration for non-invasive tumor motion…”
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Evaluation of 3D ultrasound for image guidance by Iommi, David, Hummel, Johann, Figl, Michael Lutz

“…In this paper we compared two different 3D ultrasound (US) modes (3D free-hand mode and 3D wobbler mode) to see which is more suitable to perform the…”
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Design, Implementation, and Evaluation of a Head and Neck MRI RF Array Integrated with a 511 keV Transmission Source for Attenuation Correction in PET/MR by Navarro de Lara, Lucia Isabel, Frass-Kriegl, Roberta, Renner, Andreas, Sieg, Jürgen, Pichler, Michael, Bogner, Thomas, Moser, Ewald, Beyer, Thomas, Birkfellner, Wolfgang, Figl, Michael, Laistler, Elmar

“…The goal of this work is to further improve positron emission tomography (PET) attenuation correction and magnetic resonance (MR) sensitivity for head and neck…”
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Light distribution of 635 nm LED for PBM treatments in the maxillofacial region by Keković, Vladan, Schicho, Kurt, Figl, Michael, Arany, Praveen, Jezdić, Zoran, Soldatović, Ivan, Petrović, Milan

“…Photobiomodulation (PBM) therapy is an application of light for the therapeutic purpose of improving tissue regeneration, reducing inflammation, or inducing…”
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Patient-Specific Polyetheretherketone Facial Implants in a Computer-Aided Planning Workflow by Guevara-Rojas, Godoberto, MSc, Figl, Michael, MSc, DSc, Schicho, Kurt, MD, DSc, PhD, Seemann, Rudolf, MSc, MD, DMD, MBA, PhD, Traxler, Hannes, MD, Vacariu, Apostolos, MD, Carbon, Claus-Christian, MA, PhD, Ewers, Rolf, MD, DMD, PhD, Watzinger, Franz, MD, DMD, PhD

“…Purpose In the present study, we report an innovative workflow using polyetheretherketone (PEEK) patient-specific implants for esthetic corrections in the…”
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Design and application of an assessment protocol for electromagnetic tracking systems by Hummel, Johann B, Bax, Michael R., Figl, Michael L., Kang, Yan, Maurer, Calvin, Birkfellner, Wolfgang W., Bergmann, Helmar, Shahidi, Ramin

“…This paper defines a simple protocol for competitive and quantified evaluation of electromagnetic tracking systems such as the NDI Aurora (A) and Ascension…”
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Additively Manufactured Patient-Specific Anthropomorphic Thorax Phantom With Realistic Radiation Attenuation Properties by Hatamikia, Sepideh, Oberoi, Gunpreet, Unger, Ewald, Kronreif, Gernot, Kettenbach, Joachim, Buschmann, Martin, Figl, Michael, Knäusl, Barbara, Moscato, Francesco, Birkfellner, Wolfgang

“…Conventional medical imaging phantoms are limited by simplified geometry and radiographic skeletal homogeneity, which confines their usability for image…”
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Multi-Modality Imaging: A Software Fusion and Image-Guided Therapy Perspective by Birkfellner, Wolfgang, Figl, Michael, Furtado, Hugo, Renner, Andreas, Hatamikia, Sepideh, Hummel, Johann

“…With the introduction of computers in medical imaging, which were popularized with the presentation of Hounsfield's ground-breaking work in 1971, numerical…”
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Comparison of laser surface scanning and fiducial marker-based registration in frameless stereotaxy by SCHICHO, Kurt, FIGL, Michael, WAGNER, Arne, EWERS, Rolf, SEEMANN, Rudolf, DONAT, Markus, PRETTERKLIEBER, Michael L, BIRKFELLNER, Wolfgang, REICHWEIN, Astrid, WANSCHITZ, Felix, KAINBERGER, Franz, BERGMANN, Helmar

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A comparative study on manual and automatic slice-to-volume registration of CT images by Frühwald, Laura, Kettenbach, Joachim, Figl, Michael, Hummel, Johann, Bergmann, Helmar, Birkfellner, Wolfgang

“…In order to assess the clinical relevance of a slice-to-volume registration algorithm, this technique was compared to manual registration. Reformatted images…”
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Evaluation of a miniature electromagnetic position tracker by Hummel, Johann, Figl, Michael, Kollmann, Christian, Bergmann, Helmar, Birkfellner, Wolfgang

“…The advent of miniaturized electromagnetic digitizers opens a variety of potential clinical applications for computer aided interventions using flexible…”
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Image guidance for robotic minimally invasive coronary artery bypass by Figl, Michael, Rueckert, Daniel, Hawkes, David, Casula, Roberto, Hu, Mingxing, Pedro, Ose, Zhang, Dong Ping, Penney, Graeme, Bello, Fernando, Edwards, Philip

“…Abstract A novel system for image guidance in totally endoscopic coronary artery bypass (TECAB) is presented. Key requirement is the availability of 2D–3D…”
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Splint Sterilization—A Potential Registration Hazard in Computer-Assisted Surgery by Figl, Michael, MS, DSc, Weber, Christoph, MS, Assadian, Ojan, MD, PhD, Toma, Cyril D., MD, PhD, Traxler, Hannes, MD, Seemann, Rudolf, MD, DMD, Guevara-Rojas, Godoberto, MSc, Pöschl, Wolfgang P., MD, Ewers, Rolf, MD, DMD, PhD, Schicho, Kurt, MD, DSc, PhD

“…Purpose Registration of preoperative targeting information for the intraoperative situation is a crucial step in computer-assisted surgical interventions…”
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Equivalent thicknesses of beam hardening filters consisting of aluminium, copper, Al/Cu and Al/Gold combinations and plumbiferous acrylic for 40 to 150 kVp diagnostic spectra by Homolka, Peter, Figl, Michael

“…Beam hardening filters used to reduce patient doses typically consist of aluminium, copper, or a combination of both. Optically transparent filters containing…”
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Robotic guidance for percutaneous interventions by Kronreif, Gernot, Fürst, Martin, Kettenbach, Joachim, Figl, Michael, Hanel, Rudolf

“…A robotic system is being developed by ARC Seibersdorf Research in cooperation with the Departments of Biomedical Engineering and Physics as well as Diagnostic…”
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