Bernd Freisleben

Prof. Dr. Bernd Freisleben

Department of Mathematics & Computer Science, University of Marburg, Hans-Meerwein-Str. 6, D-35032 Marburg, Germany
orcid

Research Focus & Metrics

Academic Career Length

21Years (2006-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

View All Publications
10 November 2018 in Remote Sensing
Verified
Journal Article
Open access
PDF file
JDJohannes Drönner
Johannes Drönner
NKNikolaus Korfhage
Nikolaus Korfhage
SESebastian Egli
Sebastian Egli
MMMarkus Mühling
Markus Mühling
BTBoris Thies
Boris Thies
BSBernhard Seeger
Bernhard Seeger
Information about clouds is important for observing and predicting weather and climate as well as for generating and distributing solar power. Most existing approaches extract cloud information from satellite data by classifying individual pixels instead of using closely integrated spatial information, ignoring the fact that clouds are highly dynamic, spatially continuous entities. This paper proposes a novel cloud classification method based on deep learning. Relying on a Convolutional Neural Network (CNN) architecture for image segmentation, the presented Cloud Segmentation CNN (CS-CNN), classifies all pixels of a scene simultaneously rather than individually. We show that CS-CNN can successfully process multispectral satellite data to classify continuous phenomena such as highly dynamic clouds. The proposed approach produces excellent results on Meteosat Second Generation (MSG) satellite data in terms of quality, robustness, and runtime compared to other machine learning methods such as random forests. In particular, comparing CS-CNN with the CLAAS-2 cloud mask derived from MSG data shows high accuracy (0.94) and Heidke Skill Score (0.90) values. In contrast to a random forest, CS-CNN produces robust results and is insensitive to challenges created by coast lines and bright (sand) surface areas. Using GPU acceleration, CS-CNN requires only 25 ms of computation time for classification of images of Europe with 508 × 508 pixels.

9 June 2022 in Expert Systems with Applications
Verified
Journal Article
Closed access
AAAbir Affes
Abir Affes
AMAfef Mdhaffar
Afef Mdhaffar
CTChahnez Triki
Chahnez Triki
MJMohamed Jmaiel
Mohamed Jmaiel
Bernd FreislebenBernd Freisleben
Bernd Freisleben

9 August 2011 in Journal of Medical Systems
Verified
Journal Article
Closed access
PDF file
JEJan Egger
Jan Egger
RCRivka R. Colen
Rivka R. Colen
Bernd FreislebenBernd Freisleben
Bernd Freisleben
Christopher NimskyChristopher Nimsky
Christopher Nimsky

3 November 2017 in IEEE Transactions on Nanobioscience
Verified
Journal Article
Closed access
AMAfef Mdhaffar
Afef Mdhaffar
IRIsmael Bouassida Rodriguez
Ismael Bouassida Rodriguez
KCKhalil Charfi
Khalil Charfi
LALeila Abid
Leila Abid
Bernd FreislebenBernd Freisleben
Bernd Freisleben
This paper presents a novel health analysis approach for heart failure prediction. It is based on the use of Complex Event Processing (CEP) technology, combined with statistical approaches. A CEP engine processes incoming health data by executing threshold-based analysis rules. Instead of having to manually set up thresholds, our novel statistical algorithm automatically computes and updates thresholds according to recorded historical data. Experimental results demonstrate the merits of our approach in terms of speed, precision, and recall.

8 March 2011 in Journal of Medical Systems
Verified
Journal Article
Closed access
PDF file
JEJan Egger
Jan Egger
CKChristoph Kappus
Christoph Kappus
Bernd FreislebenBernd Freisleben
Bernd Freisleben
Christopher NimskyChristopher Nimsky
Christopher Nimsky

28 September 2022
Verified
Book Chapter
Closed access
PDF file
Jonas HöchstJonas Höchst
Jonas Höchst
HBHicham Bellafkir
Hicham Bellafkir
PLPatrick Lampe
Patrick Lampe
MVMarkus Vogelbacher
Markus Vogelbacher
MMMarkus Mühling
Markus Mühling
Bernd FreislebenBernd Freisleben
Bernd Freisleben