Prof. Stefan Wesarg Profile

Prof. Stefan Wesarg

at Fraunhofer-Instfür Graphische Datenverarbeitung

SPIE Involvement:

Author

Publications (29)

Proceedings Article | 3 April 2024 Presentation + Paper

Automatic segmentation and scoring of 3D in vitro skin models using deep learning methods

Anna-Sophia Hertlein, Maximiliane Wußmann, Benjamin Boche, Felix Pracht, Siegfried Holzer, Florian Groeber-Becker, Stefan Wesarg

Proceedings Volume 12933, 129330O (2024) https://doi.org/10.1117/12.3006880

KEYWORDS: Image segmentation, Skin, 3D modeling, Image classification, Education and training, In vitro testing, Histopathology, Data modeling, Deep learning, Tunable filters

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Proceedings Article | 15 February 2021 Poster + Presentation + Paper

Automatic segmentation of the structures in the nasal cavity and the ethmoidal sinus for the quantification of nasal septal deviations

Cristina Oyarzun Laura, Katrin Hartwig, Alexander Distergoft, Tim Hoffmann, Kathrin Scheckenbach, Melanie Brüsseler, Stefan Wesarg

Proceedings Volume 11597, 115972J (2021) https://doi.org/10.1117/12.2582251

KEYWORDS: Image segmentation, Computed tomography

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Proceedings Article | 15 February 2021 Presentation + Paper

Automatic model-based 3-D reconstruction of the teeth from five photographs with predefined viewing directions

Andreas Wirtz, Florian Jung, Matthias Noll, Anqi Wang, Stefan Wesarg

Proceedings Volume 11596, 115960S (2021) https://doi.org/10.1117/12.2582253

KEYWORDS: 3D modeling, Teeth, Photography, Model-based design, Statistical modeling, Photographic analysis, Optimization (mathematics)

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Proceedings Article | 15 March 2019 Paper

Semi-automatic segmentation of JIA-induced inflammation in MRI images of ankle joints

Anqi Wang, Andreas Franke, Stefan Wesarg

Proceedings Volume 10949, 109493E (2019) https://doi.org/10.1117/12.2512986

KEYWORDS: Image segmentation, Bone, Magnetic resonance imaging, Inflammation, Data modeling, Tissues, Blood vessels, Image filtering, Visualization

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Proceedings Article | 1 April 2016 Paper

Automated kidney detection for 3D ultrasound using scan line searching

Matthias Noll, Anne Nadolny, Stefan Wesarg

Proceedings Volume 9790, 97901B (2016) https://doi.org/10.1117/12.2217127

KEYWORDS: Kidney, Ultrasonography, 3D scanning, Image analysis, Automatic tracking, Computer aided diagnosis and therapy, 3D image processing, Image segmentation, 3D modeling, Liver, Detection and tracking algorithms, Image resolution

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Proceedings Article | 20 March 2015 Paper

Active contour based segmentation of resected livers in CT images

Simon Oelmann, Cristina Oyarzun Laura, Klaus Drechsler, Stefan Wesarg

Proceedings Volume 9413, 941316 (2015) https://doi.org/10.1117/12.2081898

KEYWORDS: Liver, Image segmentation, Computed tomography, Image processing algorithms and systems, Optical spheres, Algorithm development, Tumors, Detection and tracking algorithms, Evolutionary algorithms, Image processing

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Proceedings Article | 11 March 2015 Paper

Early detection of melanoma with the combined use of acoustic microscopy, infrared reflectance and Raman spectroscopy

Georgios Karagiannis, Giannis Grivas, Anastasia Tsingotjidou, Georgios Apostolidis, Ifigeneia Grigoriadou, I. Dori, Kyriaki-Nefeli Poulatsidou, Argyrios Doumas, Stefan Wesarg, Panagiotis Georgoulias

Proceedings Volume 9323, 93232T (2015) https://doi.org/10.1117/12.2079690

KEYWORDS: Melanoma, Tumors, Infrared spectroscopy, Acoustics, Skin, Microscopy, Raman spectroscopy, Infrared imaging, Infrared microscopy, Imaging spectroscopy

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Proceedings Article | 21 March 2014 Paper

Personalized articulated atlas with a dynamic adaptation strategy for bone segmentation in CT or CT/MR head and neck images

Sebastian Steger, Florian Jung, Stefan Wesarg

Proceedings Volume 9034, 90341I (2014) https://doi.org/10.1117/12.2042987

KEYWORDS: Image segmentation, Computed tomography, Bone, Magnetic resonance imaging, Head, Skull, Neck, Optical inspection, Image registration, Computer aided diagnosis and therapy

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Proceedings Article | 21 March 2014 Paper

Two-step FEM-based Liver-CT registration: improving internal and external accuracy

Cristina Oyarzun Laura, Klaus Drechsler, Stefan Wesarg

Proceedings Volume 9034, 90343K (2014) https://doi.org/10.1117/12.2043592

KEYWORDS: Liver, Image registration, Tissues, Natural surfaces, Chemical elements, Rigid registration, Spine, Computed tomography, Lung, Abdomen

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Proceedings Article | 29 March 2013 Paper

Simplified stereo-optical ultrasound plane calibration

Martin Hoßbach, Matthias Noll, Stefan Wesarg

Proceedings Volume 8675, 86750X (2013) https://doi.org/10.1117/12.2006744

KEYWORDS: Calibration, Ultrasonography, Cameras, Imaging systems, Biopsy, Image segmentation, Metals, Transducers, Stereoscopic cameras, Medical imaging

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Proceedings Article | 15 March 2013 Paper

Marker detection evaluation by phantom and cadaver experiments for C-arm pose estimation pattern

Teena Steger, Martin Hoßbach, Stefan Wesarg

Proceedings Volume 8671, 86711V (2013) https://doi.org/10.1117/12.2007994

KEYWORDS: Cameras, Optical spheres, Image segmentation, Image registration, Bronchoscopy, 3D image processing, Calibration, Computed tomography, Electroluminescent displays, 3D acquisition

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Proceedings Article | 13 March 2013 Paper

Skeleton-based refinement of multi-material volumetric meshes

Cristina Oyarzun Laura, Pablo Bueno Plaza, Klaus Drechsler, Stefan Wesarg

Proceedings Volume 8669, 866936 (2013) https://doi.org/10.1117/12.2006769

KEYWORDS: Liver, Image processing algorithms and systems, Algorithm development, Image segmentation, Finite element methods, Image processing, Visualization, Medical imaging, Image-guided intervention, Image quality

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Proceedings Article | 13 March 2013 Paper

Hepatic vein segmentation using wavefront propagation and multiscale vessel enhancement

Klaus Drechsler, Cristina Oyarzun Laura, Stefan Wesarg

Proceedings Volume 8669, 86691A (2013) https://doi.org/10.1117/12.2006811

KEYWORDS: Wave propagation, Wavefronts, Image segmentation, Distance measurement, Veins, Blood vessels, Liver, Medical imaging, Computed tomography, Magnetic resonance imaging

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Proceedings Article | 8 March 2013 Paper

Refinement and expansion of matched vessel graphs for intraoperative deformable registration of hepatic CT and ultrasound

Matthias Keil, Alexander Kaisler, Cristina Oyarzun Laura, Stefan Wesarg

Proceedings Volume 8671, 867107 (2013) https://doi.org/10.1117/12.2007476

KEYWORDS: Ultrasonography, Image registration, Electroluminescent displays, Computed tomography, Rigid registration, Liver, Surgery, Data acquisition, Medical imaging, Visualization

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Proceedings Article | 6 March 2013 Paper

Design and analysis of a calibration-method for stereo-optical motion tracking in MRI using a virtual calibration phantom

Martin Hoßbach, Johannes Gregori, Stefan Wesarg, Matthias Günther

Proceedings Volume 8668, 86682E (2013) https://doi.org/10.1117/12.2007239

KEYWORDS: Cameras, Calibration, Magnetic resonance imaging, Optical spheres, Head, Imaging systems, Image segmentation, Scanners, Optical tracking, Motion analysis

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Proceedings Article | 28 February 2013 Paper

Region detection in medical images using HOG classifiers and a body landmark network

Marius Erdt, Oliver Knapp, Klaus Drechsler, Stefan Wesarg

Proceedings Volume 8670, 867004 (2013) https://doi.org/10.1117/12.2007384

KEYWORDS: Medical imaging, 3D image processing, Computed tomography, Heart, Image segmentation, Principal component analysis, Liver, Computer aided diagnosis and therapy, Spleen, Bladder

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Proceedings Article | 24 February 2012 Paper

Enhancing super-resolution reconstructed image quality in 3D MR images using simulated annealing

Sami ur Rahman, Tsvetoslava Vateva, Stefan Wesarg

Proceedings Volume 8314, 831441 (2012) https://doi.org/10.1117/12.911761

KEYWORDS: Lawrencium, Magnetic resonance imaging, 3D image reconstruction, Reconstruction algorithms, 3D image processing, Algorithms, Image quality, Super resolution, Data modeling, Systems modeling

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Proceedings Article | 24 February 2012 Paper

Confidence map-based super-resolution reconstruction

Wissam El Hakimi, Stefan Wesarg

Proceedings Volume 8314, 831440 (2012) https://doi.org/10.1117/12.911535

KEYWORDS: Lawrencium, Image resolution, Super resolution, Image quality, Signal to noise ratio, CT reconstruction, Image restoration, Speckle, Visualization, Medical imaging

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Proceedings Article | 17 February 2012 Paper

Simulation based patient-specific optimal catheter selection for right coronary angiography

Sami Ur Rahman, Clara Thoene, Stefan Wesarg, Wolfram Voelker

Proceedings Volume 8316, 83162S (2012) https://doi.org/10.1117/12.911510

KEYWORDS: Arteries, Computer simulations, Angiography, Data modeling, Finite element methods, 3D modeling, Image segmentation, Systems modeling, Computer architecture, Data acquisition

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Proceedings Article | 11 March 2011 Paper

Active shape models unleashed

Matthias Kirschner, Stefan Wesarg

Proceedings Volume 7962, 796211 (2011) https://doi.org/10.1117/12.877690

KEYWORDS: Image segmentation, Liver, 3D modeling, Statistical modeling, Image processing algorithms and systems, Principal component analysis, Computed tomography, Data modeling, Image filtering, 3D image processing

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Proceedings Article | 9 March 2011 Paper

Direct visualization of regions with lowered bone mineral density in dual-energy CT images of vertebrae

Stefan Wesarg, Marius Erdt, Konstantinos Kafchitsas, M. Fawad Khan

Proceedings Volume 7963, 79633J (2011) https://doi.org/10.1117/12.878130

KEYWORDS: Bone, Visualization, Minerals, Image enhancement, Computed tomography, Data acquisition, Data modeling, 3D image processing, Dual energy x-ray absorptiometry, Image segmentation

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Proceedings Article | 2 March 2011 Paper

Patient specific optimal catheter selection for right coronary artery

Sami Rahman, Stefan Wesarg, Wolfram Völker

Proceedings Volume 7964, 796412 (2011) https://doi.org/10.1117/12.878111

KEYWORDS: Arteries, Angiography, Image segmentation, Cancer, Heart, Visualization, Blood vessels, Image processing algorithms and systems, Image filtering, 3D image processing

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Proceedings Article | 13 March 2010 Paper

Smart manual landmarking of organs

Marius Erdt, Matthias Kirschner, Stefan Wesarg

Proceedings Volume 7623, 76234Y (2010) https://doi.org/10.1117/12.844382

KEYWORDS: 3D modeling, Data modeling, Kidney, Statistical modeling, Image segmentation, Process modeling, Binary data, Optimization (mathematics), Computed tomography, Magnetic resonance imaging

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Proceedings Article | 13 March 2010 Paper

Construction of groupwise consistent shape parameterizations by propagation

Matthias Kirschner, Stefan Wesarg

Proceedings Volume 7623, 762352 (2010) https://doi.org/10.1117/12.844349

KEYWORDS: Distortion, Liver, Optical spheres, Spherical lenses, Kidney, Optimization (mathematics), Statistical modeling, 3D modeling, Deep ultraviolet, Data modeling

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Proceedings Article | 13 March 2010 Paper

Combining short-axis and long-axis cardiac MR images by applying a super-resolution reconstruction algorithm

Sami Rahman, Stefan Wesarg

Proceedings Volume 7623, 76230I (2010) https://doi.org/10.1117/12.844356

KEYWORDS: Image segmentation, Lawrencium, Image registration, Magnetic resonance imaging, Super resolution, Data acquisition, Heart, Image resolution, Image analysis, Image quality

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Proceedings Article | 12 May 2004 Paper

Mutual-information-based registration for ultrasound and CT datasets

Evelyn Firle, Stefan Wesarg, Christian Dold

Proceedings Volume 5370, (2004) https://doi.org/10.1117/12.534572

KEYWORDS: Computed tomography, Prostate, Image registration, 3D image processing, Ultrasonography, Medical imaging, Image fusion, Visualization, Magnetic resonance imaging, Scanners

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Proceedings Article | 12 May 2004 Paper

Segmentation of vessels: the corkscrew algorithm

Stefan Wesarg, Evelyn Firle

Proceedings Volume 5370, (2004) https://doi.org/10.1117/12.535125

KEYWORDS: Image segmentation, Arteries, Surgery, Medical imaging, Image filtering, Detection and tracking algorithms, Computed tomography, Image processing algorithms and systems, Visualization, Heart

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Proceedings Article | 5 May 2004 Paper

Accuracy of needle implantation in brachytherapy using a medical AR system: a phantom study

Stefan Wesarg, Evelyn Firle, Bernd Schwald, Helmut Seibert, Pawel Zogal, Sandra Roeddiger

Proceedings Volume 5367, (2004) https://doi.org/10.1117/12.535415

KEYWORDS: Sensors, Electromagnetism, Surgery, Computed tomography, Optical tracking, Tumors, Data acquisition, Visualization, Image registration, Autoregressive models

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Proceedings Article | 15 May 2003 Paper

Validation of 3D ultrasound: CT registration of prostate images

Evelyn Firle, Stefan Wesarg, Grigoris Karangelis, Christian Dold

Proceedings Volume 5032, (2003) https://doi.org/10.1117/12.481131

KEYWORDS: Computed tomography, Prostate, Image registration, 3D image processing, Ultrasonography, Radiotherapy, Image fusion, Image segmentation, Visualization, Prostate cancer

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Showing 5 of 29 publications

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