Johann Hummel

According to our database, Johann Hummel authored at least 33 papers between 2001 and 2020.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2020

Error analysis for a navigation system using 3D abdominal ultrasound.

David Iommi, Alejandra Valladares, Michael Figl, Johann Hummel

Proceedings of the Medical Imaging 2020: Image-Guided Procedures, 2020

2017

Ultrasound guidance system for prostate biopsy.

Johann Hummel, Reinhard Kerschner, Marcus Kaar, Wolfgang Birkfellner, Michael Figl

Proceedings of the Medical Imaging 2017: Image-Guided Procedures, 2017

2016

New conversion factors between human and automatic readouts of the CDMAM phantom for CR systems.

Johann Hummel, Peter Homolka, Angelika Osanna-Elliot, Marcus Kaar, Friedrich Semtrus, Michael Figl

Proceedings of the Medical Imaging 2016: Image Perception, Observer Performance, and Technology Assessment, San Diego, California, United States, 27 February, 2016

2014

SPECT-US image fusion and clinical applications.

Johann Hummel, Marcus Kaar, Rainer Hoffmann, Wolfgang Birkfellner, Thomas Beyer, Anton Staudenherz, Michael Figl

Proceedings of the Medical Imaging 2014: Image-Guided Procedures, 2014

2013

An error analysis perspective for patient alignment systems.

Michael Figl, Marcus Kaar, Rainer Hoffmann, Alfred Kratochwil, Johann Hummel

Int. J. Comput. Assist. Radiol. Surg., 2013

Evaluation of three 3D US calibration methods.

Johann Hummel, Marcus Kaar, Rainer Hoffmann, Amon Bhatia, Wolfgang Birkfellner, Michael Figl

Proceedings of the Medical Imaging 2013: Image-Guided Procedures, 2013

Image guidance system for flexible endoscopes considering tissue deformation.

Rainer Hoffmann, Michael Figl, Amar Bhatia, Marcus Kaar, Wolfgang Birkfellner, Andreas Püspök, Alfred Kratochwil, Johann B. Hummel

Proceedings of the Medical Imaging 2013: Image-Guided Procedures, 2013

2012

Electromagnetic tracking for US-guided interventions: standardized assessment of a new compact field generator.

Alfred M. Franz, Keno März, Johann Hummel, Wolfgang Birkfellner, Rolf Bendl, Stefan Delorme, Heinz-Peter Schlemmer, Hans-Peter Meinzer, Lena Maier-Hein

Int. J. Comput. Assist. Radiol. Surg., 2012

Automatic analysis of ciliary beat frequency using optical flow.

Michael Figl, Manuel Lechner, Tobias Werther, Fritz Horak, Johann Hummel, Wolfgang Birkfellner

Proceedings of the Medical Imaging 2012: Image Processing, 2012

Automatic patient alignment for prostate radiation applying 3D ultrasound.

Marcus Kaar, Alfred Kratochwil, Michael Figl, Rainer Hoffmann, Amon Bhatia, Amar Bhatia, Wolfgang Birkfellner, Johann Hummel

Proceedings of the Medical Imaging 2012: Image-Guided Procedures, 2012

Elektromagnetisches Tracking für die interventionelle Radiologie - Genauigkeitsuntersuchung und in-vitro Applikation eines neuen Feldgenerators.

Alfred M. Franz, Mark Servatius, Alexander Seitel, Johann Hummel, Wolfgang Birkfellner, Laura Bartha, Heinz-Peter Schlemmer, Christof M. Sommer, Boris A. Radeleff, Hans-Ulrich Kauczor, Hans-Peter Meinzer, Lena Maier-Hein

Proceedings of the Bildverarbeitung für die Medizin 2012 - Algorithmen - Systeme, 2012

2011

Comparison of two navigation system designs for flexible endoscopes using abdominal 3D ultrasound.

Marcus Kaar, Rainer Hoffmann, Helmar Bergmann, Michael Figl, Christoph Bloch, Alfred Kratochwil, Wolfgang Birkfellner, Johann Hummel

Proceedings of the Medical Imaging 2011: Visualization, 2011

2010

Correction of prostate misalignment in radiation therapy using US-CT registration.

Rainer Hoffmann, Michael Figl, Marcus Kaar, Amon Bhatia, Amar Bhatia, Wolfgang Birkfellner, Johann Hummel

Proceedings of the Medical Imaging 2010: Visualization, 2010

2009

Evaluation of dynamic electromagnetic tracking deviation.

Johann Hummel, Michael Figl, Michael R. Bax, Ramin Shahidi, Helmar Bergmann, Wolfgang Birkfellner

Proceedings of the Medical Imaging 2009: Visualization, 2009

2007

Motion correction for radiation therapy of prostate using B-mode ultrasound.

Johann Hummel, Michael Figl, Jörg Schmidbauer, Martina Tinzl, Helmar Bergmann, Wolfgang Birkfellner

Proceedings of the Medical Imaging 2007: Visualization and Image-Guided Procedures, 2007

2006

Endoscopic navigation system using 2D/3D registration.

Johann Hummel, Michael Figl, Helmar Bergmann, Wolfgang Birkfellner

Proceedings of the Medical Imaging 2006: Visualization, 2006

2005

A fully automated calibration method for an optical see-through head-mounted operating microscope with variable zoom and focus.

Michael Figl, Christopher Ede, Johann Hummel, Felix Wanschitz, Rolf Ewers, Helmar Bergmann, Wolfgang Birkfellner

IEEE Trans. Medical Imaging, 2005

Standardized evaluation method for electromagnetic tracking systems.

Johann Hummel, Calvin R. Maurer Jr., Michael Figl, Michael R. Bax, Helmar Bergmann, Wolfgang Birkfellner, Ramin Shahidi

Proceedings of the Medical Imaging 2005: Visualization, 2005

Design and automatic calibration of a head mounted operating binocular for augmented reality applications in computer-aided surgery.

Michael Figl, Christopher Ede, Wolfgang Birkfellner, Johann Hummel, Rudolf Hanel, Helmar Bergmann

Proceedings of the Medical Imaging 2005: Visualization, 2005

Fast DRR Generation for 2D/3D Registration.

Wolfgang Birkfellner, Rudolf Seemann, Michael Figl, Johann Hummel, Christopher Ede, Peter Homolka, Xinhui Yang, Peter Niederer, Helmar Bergmann

Proceedings of the Medical Image Computing and Computer-Assisted Intervention, 2005

2004

Hybrid tracking system for flexible endoscopes.

Johann Hummel, Michael Figl, Wolfgang Birkfellner, Christopher Ede, Rudolf Seemann, Helmar Bergmann

Proceedings of the Medical Imaging 2004: Visualization, 2004

Automatic calibration of an optical see-through head-mounted display for augmented reality applications in computer-assisted interventions.

Michael Figl, Christopher Ede, Wolfgang Birkfellner, Johann Hummel, Rudolf Seemann, Helmar Bergmann

Proceedings of the Medical Imaging 2004: Visualization, 2004

2003

Navigation system for flexible endoscopes.

Johann Hummel, Michael Figl, Wolfgang Birkfellner, Michael Häfner, Christian Kollmann, Helmar Bergmann

Proceedings of the Medical Imaging 2003: Visualization, 2003

Calibration of an optical see-through head-mounted display with variable zoom and focus for applications in computer-assisted interventions.

Michael Figl, Wolfgang Birkfellner, Johann Hummel, Christopher Ede, Rudolf Hanel, Helmar Bergmann

Proceedings of the Medical Imaging 2003: Visualization, 2003

2002

A Head-Mounted Operating Binocular for Augmented Reality Visualization in Medicine - Design and Initial Evaluation.

Wolfgang Birkfellner, Michael Figl, Klaus Huber, Franz Watzinger, Felix Wanschitz, Johann Hummel, Rudolf Hanel, Wolfgang Greimel, Peter Homolka, Rolf Ewers, Helmar Bergmann

IEEE Trans. Medical Imaging, 2002

Laboratory assessment of a miniature electromagnetic tracker.

Johann Hummel, Wolfgang Birkfellner, Michael Figl, C. Haider, Rudolf Hanel, Helmar Bergmann

Proceedings of the Medical Imaging 2002: Visualization, 2002

PC-based control unit for a head-mounted operating microscope for augmented-reality visualization in surgical navigation.

Michael Figl, Wolfgang Birkfellner, Franz Watzinger, Felix Wanschitz, Johann Hummel, Rudolf A. Hanel, Rolf Ewers, Helmar Bergmann

Proceedings of the Medical Imaging 2002: Visualization, 2002

Stereoscopic visualization in the varioscope AR: a see-through head-mounted display for surgical navigation.

Wolfgang Birkfellner, Michael Figl, Christian Matula, Johann Hummel, Rudolf A. Hanel, Herwig Imhof, Felix Wanschitz, Arne Wagner, Franz Watzinger, Helmar Bergmann

Proceedings of the Medical Imaging 2002: Visualization, 2002

The Control Unit for a Head Mounted Operating Microscope Used for Augmented Reality Visualization in Computer Aided Sugery.

Michael Figl, Wolfgang Birkfellner, Christopher Ede, Johann Hummel, Rudolf Hanel, Franz Watzinger, Felix Wanschitz, Rolf Ewers, Helmar Bergmann

Proceedings of the 2002 IEEE / ACM International Symposium on Mixed and Augmented Reality (ISMAR 2002), 30 September, 2002

2001

Calibration of projection parameters in the varioscope AR, a head-mounted display for augmented-reality visualization in image-guided therapy.

Wolfgang Birkfellner, Michael Figl, Klaus Huber, Johann Hummel, Rudolf A. Hanel, Peter Homolka, Franz Watzinger, Felix Wanschitz, Rolf Ewers, Helmar Bergmann

Proceedings of the Medical Imaging 2001: Visualization, 2001

Current Status of the Varioscope AR, a Head-Mounted Operating Microscope for Computer-Aided Surgery.

Michael Figl, Wolfgang Birkfellner, Johann Hummel, Rudolf Hanel, Peter Homolka, Franz Watzinger, Felix Wanschitz, Rolf Ewers, Helmar Bergmann

Proceedings of the 4th International Symposium on Augmented Reality (ISAR 2001), 2001

Fusion of MR and CT scans of the pelvis in cases of malignant bone tumors.

Wolfgang Birkfellner, Eva Schwameis, Friedrich Vorbeck, Rudolf Hanel, Wolfgang Greimel, Johann Hummel, Michael Figl, Franz Kainberger, Herwig Imhof, Rainer Kotz, Helmar Bergmann

Proceedings of the CARS 2001. Computer Assisted Radiology and Surgery. Proceedings of the 15th International Congress and Exhibition, 2001

Calibration of a head-mounted operating microscope for augmented reality visualization in CAS.

Wolfgang Birkfellner, Michael Figl, Klaus Huber, Franz Watzinger, Felix Wanschitz, Rudolf Hanel, Johann Hummel, Rolf Ewers, Helmar Bergmann

Proceedings of the CARS 2001. Computer Assisted Radiology and Surgery. Proceedings of the 15th International Congress and Exhibition, 2001