Dieter Geller

Research Scientist

 +49 241 80 27860
 +49 241 80 22200

Curriculum Vitae

2017 – 2022 Research Scientist, Institute of Imaging & Computer Vision, RWTH Aachen University, Germany
Research Project: Image Processing for Industrial CNC–Sewing
2015 – 2016 Research Scientist, Institute of Imaging & Computer Vision, RWTH Aachen University, Germany
Research Project: Classification of Dementia
1990 – 2010 Senior Researcher, Philips Technology GmbH Research Laboratories, Aachen, Germany
Research Topics:
Automatic Speech Recognition
Visualization and Processing of Medical Volume Data
Physics of New X-Ray Systems for Medical Applications
1986 – 1990 Development Engineer, Pre-Development Communication Terminals, Siemens AG, Munich, Germany
1978 – 1985 Undergraduate Studies Electrical Engineering (Communications Engineering), RWTH Aachen University, Germany
Degree: Diplom-Ingenieur

Research Fields

Image Processing for Industrial CNC–Sewing

Photo Retouching


Communication Terminals 1991 Verfahren zur Vermeidung akustischer Rückkopplung bei Kommunikationsendgeräten
(Method to Avoid Acoustic Feedback in Communication Terminals)

Automatic Speech Recognition 2005 Adaptation of Environment Mismatch for Speech Recognition Systems
2006 Robust Speaker-Dependent Speech Recognition System
2007 System and Method of Training a Dysarthic Speaker
of 3D–Data
2009 Rendering Using Multiple Intensity Redistribution Functions
2009 Path Proximity Rendering
Image Segmentation and Image–Based Information
Processing for Medical Applications
2009 Image Classification Based on Image Segmentation
2008 Anatomy-Related Image-Context-Dependent Applications for Efficient Diagnosis
2010 Retrieving and Viewing Medical Images
2009 Medical Information System with Report Validator and Report Augmenter
2009 Retrieving Radiological Studies Using an Image-Based Query
2010 Viewing Frames of Medical Scanner Volumes
2009 A System for Rapid and Accurate Quantitative Assessment of Traumatic Brain Injury
2010 A Normative Dataset for Neuropsychiatric Disorders
X–Ray Physics 2009 Calibration of Differential Phase-Contrast Imaging Systems
2009 Apparatus for Phase-Contrast Imaging Comprising a Displaceable X-Ray Detector Element and Method
2009 Scanning System for Differential Phase-Contrast Imaging
2010 Phase-Contrast Imaging
2010 Correction Method for Differential Phase-Contrast Imaging




Journal Publications

2010 Klaus J. Engel, D. Geller, T. Köhler, G. Martens, S. Schusser, G. Vogtmeier, E. Rössl
Contrast-to-Noise in X-Ray Differential Phase-Contrast-Imaging
In: Journal „Nuclear Instruments and Methods in Physics Research”, Elsevier, 2010
1995 V. Steinbiss, et al.
Continuous Speech dictation – From Theory to Praxis
In: Journal Speech Communication 17 1995
1995 V. Steinbiss, et al.
The Philips Research System for Continuous Speech Recognition
In: Philips Journal of Research, Elsevier, 1995
1995 R. Haeb-Umbach, P. Beyerlein, D. Geller
Speech Recognition algorithms for Voice Control Interfaces
In: Philips Journal of Research, Elsevier, 1995
1993 S. Dobler, D. Geller, R. Haeb-Umbach, P. Meyer, H. Ney, H.-W. Ruehl
Design and use of Speech Recognition algorithms for a mobile radio telephone
In: Journal Speech Communication 12, 1993


Conference Publications


Dieter Geller, Tarek Stiebel, Oliver Rippel, Volker Lutz, Jonas Osburg, Thomas Gries and Dorit Merhof
Accurate Stitch Position Identification of Sewn Threads in Textiles
In: IEEE 25th International Conference on Emerging Technologies and Factory Automation (ETFA)


Tarek Stiebel, Dieter Geller and Dorit Merhof
Correction of Thread Position Mismatch in High Precision CNC Sewing
In: IEEE 23rd International Conference on Emerging Technologies and Factory Automation (ETFA)


Dieter Geller, Günther Platsch, Johannes Kornhuber, Torsten Kuwert and Dorit Merhof
Quantile-Based Classification of Alzheimer's Disease, Frontotemporal Dementia and Asymptomatic Controls from SPECT Data
In: IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)

2009 R. Kneser, H. Lehmann, D. Geller, Y. Qian, J. Weese
Towards Knowledge-Enhanced Viewing Using Encyclopedias and Model-Based Segmentation
In: SPIE Medical Imaging conference, Jan. 2009
2007 H. Lehmann, D. Geller, J. Weese, G. Kiefer
Efficient Hardware Accelerated Rendering of Multiple Volumes by Data Dependent Local Render Functions
In: conference Proc. SPIE Medical Imaging, Mar. 2007
2006 H. Lehmann, O. Ecabert, D. Geller, G. Kiefer, J. Weese
Visualizing the Beating Heart: Interactive Direct Volume Rendering of High-Resolution CT Time Series Using Standard PC Hardware
In: SPIE Medical Imaging conference, Mar. 2006
2000 A.-K. Kienappel, D. Geller, R. Bippus
Cross-Language Transfer of Multilingual Phoneme Models
In: ASR-2000 conference, Sep. 2000
1997 D. Geller, M. Lieb, W. Budde, O. Muelhens, M. Zinke
Speech Recognition on SPHERIC – AN IC for Command & Control Applications
In: EUROSPEECH conference, ESCA, 1997
1993 R. Haeb-Umbach, D. Geller, H. Ney
Improvements in Connected Digit Recognition Using Linear Discriminant Analysis and Mixture Densities
In: Proc. IEEE conference ICASSP, 1993