AthanasiosKaramalis

Chair for Computer Aided Medical Procedures & Augmented Reality
Lehrstuhl für Informatikanwendungen in der Medizin & Augmented Reality

Athanasios.jpg Dr. rer. nat. Athanasios Karamalis
Email : akaramal@gmail.com

Profile

I am a development engineer at Rohde & Schwarz GmbH & Co KG. My activities involve research in image processing, computer vision and machine learning; together with software development.

Dissertation

Ultrasound Confidence Maps and Applications in Medical Image Processing.

Ultrasound Confidence Maps Code

Ultrasound confidence estimation using random walks.

Research Interest

  • Medical Ultrasound
    • Modeling
    • Simulation
    • Segmentation
    • Registration
  • Image Processing
  • Scientific Visualization
  • GPU-accelerated Algorithms and Parallel Computing

Publications

2015
C. Hennersperger, M. Baust, P. Waelkens, A. Karamalis, A. Ahmadi, N. Navab
Multi-Scale Tubular Structure Detection in Ultrasound Imaging
Medical Imaging, IEEE Transactions on (34:1), Jan 2015 (bib)
2014
C. Hennersperger, A. Karamalis, N. Navab
Vascular 3D+T Freehand Ultrasound using Correlation of Doppler and Pulse-Oximetry Data
Information Processing in Computer-Assisted Interventions, Lecture Notes in Computer Science Volume 8498, 2014, pp 68-77 (bib)
2013
D. Sheet, A. Karamalis, A. Eslami, P. B. Noël, J. Chatterjee, A. K. Ray, A. Laine, S. Carlier, N. Navab, A. Katouzian
Joint Learning of Ultrasonic Backscattering Statistical Physics and Signal Confidence Primal for Characterizing Atherosclerotic Plaques using Intravascular Ultrasound
Medial Image Analysis, 2013, (bib)
D. Sheet, A. Karamalis, A. Eslami, P. B. Noël, , , J. Chatterjee, A. K. Ray, A. Laine, S. Carlier, N. Navab, A. Katouzian
Hunting for necrosis in the shadows of intravascular ultrasound
Special Issue, Computerized Medical Imaging and Graphics, 2013, (bib)
S. Kraft, A. Karamalis, D. Sheet, E. Drecoll, E. Rummeny, N. Navab, P. B. Noël, A. Katouzian
Introducing nuclei scatterer patterns into histology-based intravascular ultrasound simulation framework
To appear in: SPIE Medical Imaging 2013 (bib)
D. Sheet, A. Karamalis, S. Kraft, P. B. Noël, T. Vag, A. Sadhu, A. Katouzian, N. Navab, J. Chatterjee, A. K. Ray
Random Forest learning of ultrasonic statistical physics and object spaces for lesion detection in 2D sonomammography
To appear in: SPIE Medical Imaging 2013 (bib)
A. Eslami, A. Karamalis, A. Katouzian, N. Navab
Segmentation By Retrieval With Guided Random Walks: Application To Left Ventricle Segmentation in MRI
Medical Image Analysis, vol. 17, no. 2, 2013, www.sciencedirect.com.ezproxy.cul.columbia.edu/science/article/pii/S136184151200151X (bib)
2012
M. Müller, A. Karamalis, N. Navab
Visualization of Organ Motion during Breathing from 4D Datasets
International Conference on Medical Image Computing and Computer Assisted Intervention (MICCAI), Workshop on Augmented Environments for Computer-Assisted Interventions (AE-CAI), Nice France, 2012 (bib)
J. Beitzel, A. Ahmadi, A. Karamalis, W. Wein, N. Navab
Ultrasound Bone Detection Using Patient-Specific CT Prior
International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), San Diego, USA, September 1 2012. (bib)
A. Katouzian, A. Karamalis, A. Konig, S. Carlier, N. Navab
Ambiguity in detection of necrosis in IVUS plaque characterization algorithms
European Society of Cardiology, Munich, Germany, 2012 (bib)
A. Katouzian, A. Karamalis, D. Sheet, E. Konofagou, B. Baseri, S. Carlier, A. Eslami, A. Konig, N. Navab, A. Laine
Iterative Self-Organizing Atherosclerotic Tissue Labeling in Intravascular Ultrasound Images and Comparison with Virtual Histology
IEEE Transactions on Biomedical Engineering (bib)
A. Karamalis, W. Wein, T. Klein, N. Navab
Ultrasound Confidence Maps using Random Walks
Medical Image Analysis, 16, 6, 1101 - 1112, 2012, DOI: http://dx.doi.org/10.1016/j.media.2012.07.005 (bib)
A. Katouzian, A. Karamalis, , A. Eslami, N. Navab
IVUS-Histology Image Registration
5th Workshop on Biomedical Image Registration, Nashville, USA, July, 2012 (bib)
A. Karamalis, A. Katouzian, S. Carlier, N. Navab
Confidence Estimation in IVUS Radio-Frequency Data with Random Walks
In Proc. 9th IEEE International Symposium on Biomedical Imaging (ISBI), Barcelona, Spain, 2012 (bib)
T. Klein, M. Hansson, A. Karamalis, N. Navab
Registration of RF Ultrasound Data using Hybrid Local Binary Patterns
IEEE International Symposium on Biomedical Imaging, Barcelona, Spain (bib)
A. Katouzian, A. Karamalis, A. Laine, N. Navab
A Systematic Approach Toward Reliable Atherosclerotic Plaque Characterization in IVUS Images
Bildverarbeitung für die Medizin, Berlin, 2012, Germany (bib)
2011
A. Ahmadi, M. Baust, A. Karamalis, A. Plate, K. Bötzel, T. Klein, N. Navab
Midbrain Segmentation in Transcranial 3D Ultrasound for Parkinson Diagnosis
In Proc. International Conference on Medical Image Computing and Computer Assisted Intervention (MICCAI), Toronto (CA), September 18-22, 2011 (bib)
2010
A. Karamalis, W. Wein, N. Navab
Fast Ultrasound Image Simulation using the Westervelt Equation
In Proc. International Conference on Medical Image Computing and Computer Assisted Intervention (MICCAI), Beijing, China, September 20-24, 2010 (bib)
2009
O. Kutter, A. Karamalis, W. Wein, N. Navab
A GPU-Based Framework for Simulation of Medical Ultrasound
SPIE Medical Imaging, Orlando, Florida, USA, February 2009 (bib)
A. Karamalis, W. Wein, O. Kutter, N. Navab
Fast Hybrid Freehand Ultrasound Volume Reconstruction
In Proc. SPIE Medical Imaging, Orlando, Florida, USA, February 2009 (bib)

Professional Activities

Finished Student Project

Teaching

MSc Thesis

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Title: Dr.
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Firstname: Athanasios
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Lastname: Karamalis
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Nationality: Greece
Languages: English, German
Groups: Registration/Visualization, Reconstruction, Medical Imaging
Expertise: Registration/Visualization, Medical Imaging
Position: Scientific Staff
Status: Alumni
Emailbefore: karamali
Emailafter: cs.tum.edu
Room: MI 03.13.035
Telephone: +49 89 289 19435
Alumniactivity: Development Engineer at Rohde & Schwarz
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