Dr.-Ing.

Jens Kaftan

Research Scientist
Lehrstuhl für Bildverarbeitung
RWTH Aachen
Sommerfeldstraße 24
52074 Aachen
Germany
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room: 24C-212
phone: +49 (241) 80 – 27860
fax: +49 (241) 80 – 22200
mail: Jens.Kaftan@lfb.rwth-aachen.de

 


 

 

Research Projects

 

Medical image processing:

  • Segmentation of pulmonary vessels in CT data
  • Liver vessel segmentation in CT data

 

 

Book Publications

 

2012

Jens N. Kaftan
Image Processing for Computed Tomography Applications - Segmentation of Vascular Structures in Human Organs
In: Schriftenreihe des Lehrstuhls für Bildverarbeitung, RWTH Aachen University

 

Journal Publications

 

 
2009

André A. Bell, Johannes Brauers, Jens N. Kaftan, Dietrich Meyer-Ebrecht, Alfred Böcking and Til Aach
High Dynamic Range Microscopy for Cytopathological Cancer Diagnosis
In: IEEE Journal of Selected Topics in Signal Processing (Special Issue on: Digital Image Processing Techniques for Oncology) 3 (1)

 
2008

André Bell, Jens Kaftan, Dietrich Meyer-Ebrecht, Alfred Böcking and Til Aach
Automated Detection of AgNORs by High Dynamic Range Microscopy
In: Cellular Oncology, ISCO Congress 30 (2)

 

Conference Publications

 

2014

Marcin Kopaczka, Andreas Wimmer, Peter Faltin, Günther Platsch and Jens N Kaftan
Multimodale Bildregistrierung für die effiziente Beurteilung von Rippenläsionen in PET/CT-Daten
In: Bildverarbeitung für die Medizin (BVM)

2014

Kaftan, Jens N., Kopaczka, Marcin, Wimmer, Andreas, Platsch, Günther and Declerck, Jérôme
A rib-specific multimodal registration algorithm for fused unfolded rib visualization using PET/CT
In: SPIE Medical imaging: Image Processing

 
2011

Thomas P. O'Donnell, Jens N. Kaftan, Andreas Schuh, Christian Tietjen, Grzegorz Soza and Til Aach
Venous Tree Separation in the Liver: Graph Partitioning using a non-Ising Model
In: Information Processing in Medical Imaging (IPMI) 2011

 
2011

Andreas Schuh, Jens N. Kaftan, Christian Tietjen and Thomas P. O'Donnell
Sparse Axes-aligned MFlux: An Efficient Alternative to Spherical Flux
In: 3rd MICCAI-Workshop on Computation and Visualization for (Intra)Vascular Imaging

 
2011

Jens N. Kaftan and Til Aach
Pulmonary Vessel Segmentation for Multislice CT Data: Methods and Applications
In: Lung Imaging and Computer Aided Diagnosis

 
2010

Jens N. Kaftan, André A. Bell and Til Aach
Denoising the High Dynamic Range Imaging Process: A Comparative Study Using SNR and Detail Loss Criteria
In: IEEE International Conference on Image Processing (ICIP2010)

 
2009

Jens N. Kaftan, André A. Bell, Claude Seiler and Til Aach
Wavelet Based Denoising by Correlation Analysis for High Dynamic Range Imaging
In: IEEE International Conference on Image Processing (ICIP2009)

 
2009

Jens N. Kaftan and H
A Two-Stage Approach for Fully Automatic Segmentation of Venous Vascular Structures in Liver CT Images
In: Medical Imaging 2009: Image Processing

 
2008

F. Maier, A. Wimmer, G. Soza, J.~N. Kaftan, D. Fritz and R. Dillmann
Automatic Liver Segmentation using the Random Walker Algorithm
In: Bildverarbeitung für die Medizin 2008

 
2008

Jens N. Kaftan, Attila P. Kiraly, Marius Erdt, Michael Sühling and Til Aach
Fuzzy Pulmonary Vessel Segmentation Using Optimized Vessel Enhancement Filtering
In: MICCAI 1st International Workshop on Pulmonary Image Analysis

 
2008

Jens N. Kaftan, Marco Das and Til Aach
Evaluation of Probability Functions used for Fuzzy Pulmonary Vessel Segmentation in CTA Data
In: Liege Image Days, International Conference on Medical Imaging

 
2008

Jens N. Kaftan, Annemarie Bakai, Marco Das and Til Aach
Locally Adaptive Fuzzy Pulmonary Vessel Segmentation in Contrast Enhanced CT Data
In: Proceedings 5th International Symposium on Biomedical Imaging: From Nano to Macro (ISBI)

 
2008

Jens N. Kaftan, Annemarie Bakai, Florian Maier and Til Aach
Halbautomatische Segmentierung von Pulmonalgefässen in CT Daten als Referenz zur Validierung automatischer Verfahren
In: Bildverarbeitung für die Medizin 2008

 
2008

Jens N. Kaftan, Atilla P. Kiraly, Annemarie Bakai, Marco Das, Carol L. Novak and Til Aach
Fuzzy Pulmonary Vessel Segmentation in Contrast Enhanced CT data
In: Proceedings 5th International Symposium on Biomedical Imaging: From Nano to Macro (ISBI)

 
2008

Jens N. Kaftan, André A. Bell and Til Aach
Mean Shift Segmentation - Evaluation of Optimization Techniques
In: Proceedings of the Third International Conference on Computer Vision Theory and Applications, VISAPP 2008

 
2008

Katharina Greiner, Jan Egger, Stefan Grosskopf, Jens N. Kaftan, Ralf Dörner and Bernd Freisleben
Segmentierung von Aortenaneurysmen in CTA-Bildern mit dem statistischen Verfahren der Active Appearance Models
In: Bildverarbeitung für die Medizin 2008

 
2008

André A. Bell, Claude Seiler, Jens N. Kaftan and Til Aach
Noise in High Dynamic Range Imaging
In: IEEE International Conference on Image Processing (ICIP2008)

 
2007

Jan Egger, Zvonimir Mostarčić, Florian Maier, Jens N. Kaftan, Stefan Grosskopf and Bernd Freisleben
Fast self-collision detection and simulation of bifurcated stents to treat abdominal aortic aneurysms (AAA)
In: 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

 
2006

Jens N. Kaftan, Andrè A. Bell, Dietrich Meyer-Ebrecht, Alfred Böcking and Til Aach
Segmentation of Nucleolar Organizer Regions by Means of High Dynamic Range Cell Imaging and Analysis
In: 11th Workshop Vision, Modeling, and Visualization 2006

 
2006

Jens N. Kaftan, Atilla P. Kiraly, David P. Naidich and Carol L. Novak
A Novel Multi-Purpose Tree and Path Matching Algorithm with Application to Airway Trees
In: Medical Imaging 2006: Physiology, Function, and Structure from Medical Images

 
2006

André A. Bell, Jens N. Kaftan, Timna E. Schneider, Dietrich Meyer-Ebrecht, Alfred Böcking and Til Aach
Imaging and Image Processing for Early Cancer Diagnosis on Cytopathological Microscopy Images: Towards Fully Automatic AgNOR Detection
In: 9th Korea-Germay Joint Workshop on Advanced Medical Image Processing

 
2006

André A. Bell, Jens N. Kaftan, Til Aach, Dietrich Meyer-Ebrecht and Alfred Böcking
High Dynamic Range Images As a Basis for Detection of Argyrophilic Nucleolar Organizer Regions Under Varying Stain Intensities
In: IEEE International Conference on Image Processing, ICIP 2006

 
2006

André A. Bell, Jens N. Kaftan, Dietrich Meyer-Ebrecht and Til Aach
An Evaluation Framework for the Accuracy of Camera Transfer Functions Estimated from Differently Exposed Images
In: 7th IEEE Southwest Symposium on Image Analysis and Interpretation. SSIAI 2006

 

 

Patents

 

  • DE Patent Application, Verfahren zur Segmentierung von Gefäßstrukturen in einer Leber eines Patienten anhand eines computertomographisch aufgenommenen Bilddatensatzes des Patienten und ein CT-System zur Durchführung dieses Verfahrens

    Jens N. Kaftan, Hüseyin Tek and Til Aach

    Pub.No. DE 102009035936 A1, July 29, 2010

  • DE Patent Application, Verfahren und Vorrichtung zur Segmentierung von Strukturen in einem Bilddatensatz

    Jens N. Kaftan, Annemarie Bakai, Atilla P. Kiraly, Florian Maier, Carol L. Novak and Til Aach

    Pub.No. DE 102008016503 A1, October 01, 2009

  • DE Patent Application, Verfahren zur Segmentierung von 3D-Bilddaten bildgebender medizinischer Modalitäten sowie Vorrichtung zur Bildverarbeitung

    Jens N. Kaftan, Annemarie Bakai, Atilla P. Kiraly, Carol L. Novak and Til Aach

    Pub.No. DE 102008061170 A1, July 23, 2009

  • Technical Disclosure, Local Adaption in Pulmonary Vessel Segmentation

    Jens N. Kaftan and Til Aach

    IPCOM No. 000171353D, June, 2008

  • US Patent, System and Methods For Path Based Tree Matching

    Jens N. Kaftan, Atilla P. Kiraly and Carol L. Novak

    Pat.No. 7,646,903, January 12, 2007

  • Also published in

    China, Pub.No. CN 200610115633, January 10, 2007

    Germany, Pub.No. DE 102006028812 A1, February 08, 2007

    Japan, Pub.No. JP 2007044488, February 22, 2007