Dr. Christian Hansen Profile

Dr. Christian Hansen

Head of the Computer-Assisted Surgery Group at Otto-von-Guericke Univ Magdeburg

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 8 March 2019 Paper

Visualization concepts to improve spatial perception for instrument navigation in image-guided surgery

Florian Heinrich, Gerd Schmidt, Kai Bornemann, Anna Roethe, Walid Essayed, Christian Hansen

Proceedings Volume 10951, 1095125 (2019) https://doi.org/10.1117/12.2512761

KEYWORDS: Visualization, Image-guided intervention, Navigation systems

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Proceedings Article | 13 March 2017 Presentation + Paper

Active contours extension and similarity indicators for improved 3D segmentation of thyroid ultrasound images

P. Poudel, A. Illanes, C. Arens, C. Hansen, M. Friebe

Proceedings Volume 10138, 1013803 (2017) https://doi.org/10.1117/12.2254029

KEYWORDS: Image segmentation, 3D modeling, Ultrasonography, 3D image processing, Imaging informatics, Digital filtering, Image filtering, Image contrast enhancement, Image processing, Image processing algorithms and systems, Reconstruction algorithms, Detection and tracking algorithms

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Proceedings Article | 24 February 2017 Paper

Comparison of thyroid segmentation techniques for 3D ultrasound

T. Wunderling, B. Golla, P. Poudel, C. Arens, M. Friebe, C. Hansen

Proceedings Volume 10133, 1013317 (2017) https://doi.org/10.1117/12.2254234

KEYWORDS: Image segmentation, Ultrasonography, 3D image processing, Endocrine system, Image processing algorithms and systems, 3D modeling, Visualization, Detection and tracking algorithms, Algorithm development, Neck

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Proceedings Article | 24 March 2016 Paper

Segmentation of hepatic artery in multi-phase liver CT using directional dilation and connectivity analysis

Lei Wang, Alena-Kathrin Schnurr, Stephan Zidowitz, Joachim Georgii, Yue Zhao, Mohammad Razavi, Michael Schwier, Horst Hahn, Christian Hansen

Proceedings Volume 9785, 97851P (2016) https://doi.org/10.1117/12.2217588

KEYWORDS: Image segmentation, Arteries, Liver, Computed tomography, Surgery, Image enhancement, Veins, Image acquisition, Image filtering, Decision support systems, Liver cancer, Expectation maximization algorithms, Photovoltaics

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Proceedings Article | 24 March 2014 Paper

Segmentation and separation of venous vasculatures in liver CT images

Lei Wang, Christian Hansen, Stephan Zidowitz, Horst Hahn

Proceedings Volume 9035, 90350Q (2014) https://doi.org/10.1117/12.2043406

KEYWORDS: Image segmentation, Liver, Photovoltaics, Computed tomography, Veins, Distance measurement, Surgery, Medical imaging, Tumors, Spherical lenses

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Proceedings Article | 27 February 2010 Paper

Risk maps for navigation in liver surgery

C. Hansen, S. Zidowitz, A. Schenk, K.-J. Oldhafer, H. Lang, H.-O. Peitgen

Proceedings Volume 7625, 762528 (2010) https://doi.org/10.1117/12.843493

KEYWORDS: Surgery, Liver, Visualization, 3D modeling, Tumors, Visual process modeling, Safety, Veins, Cognitive modeling, Visual analytics

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Proceedings Article | 31 March 2008 Paper

Intraoperative adaptation and visualization of preoperative risk analyses for oncologic liver surgery

Christian Hansen, Stefan Schlichting, Stephan Zidowitz, Alexander Köhn, Milo Hindennach, Markus Kleemann, Heinz-Otto Peitgen

Proceedings Volume 6918, 691809 (2008) https://doi.org/10.1117/12.770243

KEYWORDS: Ultrasonography, Visualization, Tumors, Liver, Surgery, 3D modeling, Visual process modeling, Data modeling, Navigation systems, Visual analytics

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