Dr. Alexander Schmidt-Richberg Profile

Dr. Alexander Schmidt-Richberg

Research Scientist at Philips Research

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Publications (15)

Proceedings Article | 15 March 2019 Paper

Offset regression networks for view plane estimation in 3D fetal ultrasound

Alexander Schmidt-Richberg, Nicole Schadewaldt, Tobias Klinder, Matthias Lenga, Robert Trahms, Earl Canfield, David Roundhill, Cristian Lorenz

Proceedings Volume 10949, 109493K (2019) https://doi.org/10.1117/12.2512697

KEYWORDS: Fetus, Ultrasonography, Abdomen, Network architectures, 3D image processing, Neural networks

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Proceedings Article | 2 March 2018 Presentation + Paper

Automated abdominal plane and circumference estimation in 3D US for fetal screening

C. Lorenz, T. Brosch, C. Ciofolo-Veit, T. Klinder, T. Lefevre, A. Cavallaro, I. Salim, A. Papageorghiou, C. Raynaud, D. Roundhill, L. Rouet, N. Schadewaldt, A. Schmidt-Richberg

Proceedings Volume 10574, 105740I (2018) https://doi.org/10.1117/12.2292729

KEYWORDS: Fetus, Spine, Abdomen, Image segmentation, Stomach, 3D image processing

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Proceedings Article | 21 March 2014 Paper

Joint multi-object registration and segmentation of left and right cardiac ventricles in 4D cine MRI

Jan Ehrhardt, Timo Kepp, Alexander Schmidt-Richberg, Heinz Handels

Proceedings Volume 9034, 90340M (2014) https://doi.org/10.1117/12.2043583

KEYWORDS: Image segmentation, Image registration, Magnetic resonance imaging, Heart, Blood, 3D image processing, 3D modeling, Image processing algorithms and systems, Image processing, Distance measurement

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Proceedings Article | 13 March 2013 Paper

Assessing accuracy of non-linear registration in 4D image data using automatically detected landmark correspondences

René Werner, Christine Duscha, Alexander Schmidt-Richberg, Jan Ehrhardt, Heinz Handels

Proceedings Volume 8669, 86690Z (2013) https://doi.org/10.1117/12.2002454

KEYWORDS: Image registration, Lung, Liver, Computed tomography, Infrared imaging, 3D image processing, Distance measurement, Information technology, Image restoration, Data centers

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Proceedings Article | 13 March 2013 Paper

Surrogate-based diffeomorphic motion estimation for radiation therapy: comparison of multivariate regression approaches

Matthias Wilms, René Werner, Jan Ehrhardt, Alexander Schmidt-Richberg, Maximilian Blendowski, Heinz Handels

Proceedings Volume 8669, 866915 (2013) https://doi.org/10.1117/12.2002428

KEYWORDS: Motion estimation, Principal component analysis, Radiotherapy, Tumors, Lung, Motion models, Motion measurement, 4D CT imaging, Chest, Simulation of CCA and DLA aggregates

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Proceedings Article | 17 February 2012 Paper

Model-based risk assessment for motion effects in 3D radiotherapy of lung tumors

René Werner, Jan Ehrhardt, Alexander Schmidt-Richberg, Heinz Handels

Proceedings Volume 8316, 83160C (2012) https://doi.org/10.1117/12.911385

KEYWORDS: 3D modeling, Lung, Motion models, Tumors, Radiotherapy, 4D CT imaging, Motion estimation, 3D image processing, Computed tomography, Model-based design

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Proceedings Article | 14 February 2012 Paper

Pulmonary lobe segmentation with level sets

Alexander Schmidt-Richberg, Jan Ehrhardt, Matthias Wilms, René Werner, Heinz Handels

Proceedings Volume 8314, 83142V (2012) https://doi.org/10.1117/12.911378

KEYWORDS: Image segmentation, Lung, Image quality, Image enhancement, Computed tomography, Image processing, Diagnostics, Medical imaging, Silicon, Image registration

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Proceedings Article | 15 March 2011 Paper

Direction-dependent level set segmentation of cerebrovascular structures

Nils Daniel Forkert, Dennis Säring, Till Illies, Jens Fiehler, Jan Ehrhardt, Heinz Handels, Alexander Schmidt-Richberg

Proceedings Volume 7962, 79623S (2011) https://doi.org/10.1117/12.877942

KEYWORDS: Image segmentation, Image enhancement, Fuzzy logic, Visualization, Brain, 3D image processing, Image filtering, Tissues, 3D-TOF imaging, Health informatics

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Proceedings Article | 11 March 2011 Paper

Landmark-driven parameter optimization for non-linear image registration

Alexander Schmidt-Richberg, René Werner, Jan Ehrhardt, Jan-Christoph Wolf, Heinz Handels

Proceedings Volume 7962, 79620T (2011) https://doi.org/10.1117/12.877059

KEYWORDS: Image registration, Medical imaging, Lung, Image fusion, Motion estimation, Distance measurement, Image processing, 4D CT imaging, Gold, Computed tomography

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Proceedings Article | 13 March 2010 Paper

Direction-dependent regularization for improved estimation of liver and lung motion in 4D image data

Alexander Schmidt-Richberg, Jan Ehrhardt, René Werner, Heinz Handels

Proceedings Volume 7623, 76232Y (2010) https://doi.org/10.1117/12.844194

KEYWORDS: Motion estimation, Image registration, Lung, Liver, Motion models, Magnetic resonance imaging, Physiology, Image segmentation, Data modeling, 4D CT imaging

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Proceedings Article | 13 March 2010 Paper

Closing of interrupted vascular segmentations: an automatic approach based on shortest paths and level sets

Nils Daniel Forkert, Alexander Schmidt-Richberg, Dennis Säring, Till Illies, Jens Fiehler, Heinz Handels

Proceedings Volume 7623, 76233G (2010) https://doi.org/10.1117/12.844210

KEYWORDS: Image segmentation, Visualization, Medical research, 3D image processing, Vascular diseases, Analytical research, Finite element methods, 3D-TOF imaging, Binary data, Neuroimaging

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Proceedings Article | 13 March 2010 Paper

Coupled level set segmentation using a point-based statistical shape model relying on correspondence probabilities

Heike Hufnagel, Jan Ehrhardt, Xavier Pennec, Alexander Schmidt-Richberg, Heinz Handels

Proceedings Volume 7623, 762318 (2010) https://doi.org/10.1117/12.844289

KEYWORDS: Image segmentation, Statistical modeling, Kidney, Data modeling, Bone, Computed tomography, Head, Shape analysis, Evolutionary algorithms, Affine motion model

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Proceedings Article | 13 March 2010 Paper

A statistical shape and motion model for the prediction of respiratory lung motion

Jan Ehrhardt, René Werner, Alexander Schmidt-Richberg, Heinz Handels

Proceedings Volume 7623, 762353 (2010) https://doi.org/10.1117/12.844263

KEYWORDS: Motion models, Data modeling, Lung, Image registration, Principal component analysis, Statistical analysis, Model-based design, Statistical modeling, Motion estimation, 3D modeling

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Proceedings Article | 27 March 2009 Paper

Validation and comparison of a biophysical modeling approach and non-linear registration for estimation of lung motion fields in thoracic 4D CT data

Rene Werner, Jan Ehrhardt, Alexander Schmidt-Richberg, Heinz Handels

Proceedings Volume 7259, 72590U (2009) https://doi.org/10.1117/12.811130

KEYWORDS: Lung, Data modeling, Motion models, Tumors, Motion estimation, Image registration, Biological research, Physiology, 4D CT imaging, Model-based design

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Proceedings Article | 11 March 2008 Paper

Simultaneous segmentation and motion estimation in 4D-CT data using a variational approach

Jan Ehrhardt, Alexander Schmidt-Richberg, Heinz Handels

Proceedings Volume 6914, 691437 (2008) https://doi.org/10.1117/12.768228

KEYWORDS: Image segmentation, Image registration, Liver, Motion estimation, 4D CT imaging, Data modeling, Computed tomography, Tissues, Tumors, Motion models

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Showing 5 of 15 publications

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