2016
Stefan Wilk, Stephan Kopf, Wolfgang Effelsberg
Scalable Video Annotation Relying on Weak Consistency
ACM Transactions on Multimedia Computing, Communications,
and Applications (TOMM), 2016
[PDF] [BibTeX] [link]
Philip Mildner, Tonio Triebel, Stephan Kopf, Wolfgang Effelsberg
Scaling online games with
NetConnectors: A Peer-to-Peer overlay for fast-paced massively
multiplayer online games
ACM Computers in Entertainment
(CIE), (accepted for publication)
Stephan Kopf, Mariia Zrianina, Benjamin Guthier, Lydia Weiland,
Philipp Schaber, Simone Ponzetto, Wolfgang Effelsberg
Enhancing Bag of Visual Words
with Color Information for Iconic Image Classification
20th International Conference on Image Processing, Computer
Vision, & Pattern Recognition (IPCV), 2016 [PDF] [BibTeX] [link]
Lukas Stehr, Robert Meusel, Stephan Kopf
A Real-Time Visual Card Reader for Mobile Devices
Proc. of IEEE Conference on Applications of Computer Vision
(WACV), 2016 (accepted for publication)
Daniel Schön, Melanie Klinger, Stephan Kopf, Wolfgang Effelsberg
Customized Teaching Scenarios for Smartphones in University
Lecture Settings - Experiences with Several Teaching Scenarios
Using the MobileQuiz2
International Conference on Computer Supported Education
(CSEDU), 2016 (accepted for publication)
Daniel Schön, Melanie Klinger, Stephan Kopf, Thilo Weigold,
Wolfgang Effelsberg
Customizable Learning Scenarios for Students’ Mobile Devices in
Large University Lectures: A Next Generation Audience Response
System
Computer Supported Education, Volume 583, pp 189-207,
2016
[link]
Mariia Zrianina,
Stephan Kopf
Classification of Iconic Images
Technical Report TR-2016-001,
School of Business Informatics and Mathematics, University of
Mannheim, June 2016
[PDF] [BibTeX] [link]
2015
Philipp Schaber, Stephan Kopf, Sina Wetzel, Tyler Ballast,
Christoph Wesch, Wolfgang Effelsberg
CamMark: Analyzing, Modeling, and Simulating Artifacts in
Camcorder Copies
ACM Transactions on Multimedia Computing, Communications, and
Applications (
TOMM), Vol. 11 (2), February 2015
[BibTeX] [link]
Philipp Schaber, Sally Dong, Benjamin Guthier, Stephan Kopf,
Wolfgang Effelsberg
Modeling Temporal Effects in Re-captured Video
Proc. of the ACM
international conference on Multimedia (MM), pp.
1279-1282, 2015
[link]
Daniel Schön, Melanie Klinger, Stephan Kopf, Wolfgang Effelsberg
A Model for Customized In-Class Learning Scenarios - An
Approach to Enhance Audience Response Systems with customized
Logic and Interactivity
International Conference on Computer Supported Education (
CSEDU),
2015
[PDF] [BibTeX] [link]
Stefan Wilk, Stephan Kopf, Wolfgang Effelsberg
Video Composition by the Crowd: A System to Compose
User-Generated Videos in Near Real-Time
ACM Multimedia Systems Conference (
MMSYS), pp. 13 -
24, 2015
[BibTeX] [link]
Simone Paolo Ponzetto, Hartmut Wessler, Lydia Weiland, Stephan
Kopf, Wolfgang Effelsberg, Heiner Stuckenschmidt
Automatic Classification of Iconic Images Based on a Multimodal
Model: An Interdisciplinary Project
Building Bridges for Multimodal Research -
International Perspectives on Theories and Practices of
Multimodal Analysis, pp. 193-210, Peter Lang Edition, 2015
Stephan Kopf, Daniel Schön, Benjamin Guthier, Roman Rietsche,
Wolfgang Effelsberg
A Real-time Feedback System for Presentation Skills
Proc. of World Conference on Educational Media and Technology,
pp. 1705-1712, 2015
[PDF]
[BibTeX] [link]
Daniel Schön, Licheng Yang, Melanie Klinger, Stephan Kopf,
Wolfgang Effelsberg
On the Effects of Different Parameters in Classroom
Interactivity Systems on Students
Proc. of World Conference on Educational Media and Technology,
pp. 721-729, 2015
[PDF]
[BibTeX] [link]
Okan Aydinguel, Philip Mildner, Stephan Kopf, Daniel Schön,
Wolfgang Effelsberg
EOOC - Easy Open Online Courses. A Platform to Create and Run
Open Online Courses
Proc. of World Conference on Educational Media and Technology
(
EdMedia), pp. 711-720, 2015
[PDF] [BibTeX] [link]
2014
Philipp Schaber, Stephan Kopf, Christoph Wesch, Wolfgang
Effelsberg
CamMark: A Camcorder Copy Simulation as Watermarking Benchmark
for Digital Video
Proc. of the 5th ACM Multimedia Systems Conference (MMSYS),
pp. 91-102 , 2014 (
best paper award)
[BibTeX] [link]
Benjamin Guthier, Stephan Kopf, Matthias Wichtlhuber, Wolfgang
Effelsberg
Parallel Implementation of a Real-Time High Dynamic Range Video
System.
Integrated Computer-Aided Engineering Journal (
ICAE),
Vol. 21 (2), pp. 189-202, April 2014
[PDF] [BibTeX] [link]
Max Lehn, Tonio Triebel, Robert Rehner, Benjamin Guthier, Stephan
Kopf, Alejandro Buchmann, Wolfgang Effelsberg
On synthetic workloads for multiplayer online games: a
methodology for generating representative shooter game workloads
Multimedia Systems Journal (MMSJ), Vol. 20 (5), pp 609-620,
October 2014
[PDF]
[BibTeX] [link]
Stephan Kopf, Benjamin Guthier, Christopher Hipp, Johannes Kiess,
Wolfgang Effelsberg
Warping-based Video Retargeting for Stereoscopic Video
IEEE International Conference on Image Processing (
ICIP),
pp. 2898-2902, 2014
[PDF]
[BibTeX] [link]
Johannes Kiess, Daniel Gritzner, Benjamin Guthier, Stephan Kopf,
Wolfgang Effelsberg
GPU Video Retargeting with
Parallelized SeamCrop
Proc. of the 5th ACM
Multimedia Systems Conference (MMSYS), pp.
139-147, March 2014
[PDF]
[BibTeX] [link]
Daniel Schön, Philip Mildner, Stephan Kopf, Wolfgang Effelsberg
SMASH: Ein generisches System für interaktive Szenarien in der
Vorlesung
Proc. of the 12th e-Learning Conference of the German Computer
Society (DeLFI), pp. 294-296, 2014
[PDF] [BibTeX] [link]
D. Schneider, D. Stohr, J. Tingvold, A.B. Amundsen, L. Weiland, S.
Kopf, W. Effelsberg, A. Scherp
Fulgeo - Towards an Intuitive User Interface for a
Semantics-Enabled Multimedia Search Engine
IEEE International Conference on Semantic Computing (ICSC),
June 2014
[PDF]
[BibTeX] [link]
Simone Paolo Ponzetto, Hartmut Wessler, Lydia Weiland, Stephan
Kopf, Wolfgang Effelsberg, Heiner Stuckenschmidt
Automatic Classification of Iconic Images Based on a Multimodal
Model. An Interdisciplinary Project
Interdisciplinary Conference on Combining Multimodal Analysis
from International Perspectives, pp. 10-13, 2014
[PDF] [BibTeX] [link]
Daniel Schön, Steffen Sikorea, Stephan Kopf, Wolfgang Effelsberg
GLA: A Generic Analytics Tool for e-Learning
Proc. of DeLFI Workshops 2014 co-located with 12th
e-Learning Conference of the German Computer Society (DeLFI
2014), September 15, 2014
[PDF] [BibTeX] [link]
2013
Benjamin Guthier, Stephan Kopf, Wolfgang Effelsberg
Algorithms for a real-time HDR
video system
ELSEVIER Pattern Recognition
Letters (PATREC), Vol. 34 (1), Pages 25–33, January
2013
[PDF] [BibTeX] [link]
Torben Dittrich, Stephan Kopf, Philipp Schaber, Benjamin Guthier,
Wolfgang Effelsberg
Saliency Detection for
Stereoscopic Video
Proc. of the 4th ACM Multimedia
Systems Conference (MMSYS), pp. 12-23, February
2013
[PDF] [BibTeX] [link]
Stefan Wilk, Stephan Kopf, Wolfgang Effelsberg
Social Video: A Collaborative
Video Annotation Environment to Support E-Learning
Proc. of World Conference on Educational
Multimedia, Hypermedia and Telecommunications (EdMedia),
pp. 1228-1237, June 2013
[PDF]
[BibTeX] [link]
Daniel Schön, Melanie Klinger, Stephan Kopf, Wolfgang Effelsberg
HomeQuiz: Blending paper sheets
with mobile self-assessment tests
Proc. of World Conference on Educational
Multimedia, Hypermedia and Telecommunications (EdMedia),
pp. 1446-1454, June 2013
[PDF]
[BibTeX] [link]
Benjamin Guthier, Kalun Ho, Stephan Kopf, Wolfgang Effelsberg
Determining exposure values from
HDR histograms for smartphone photography
Proc. of the 21st ACM
international conference on Multimedia (ACM MM), pp. 425-426,
2013
[PDF] [BibTeX] [link]
Benjamin Guthier, Johannes Kiess, Stephan Kopf, Wolfgang
Effelsberg
Seam Carving for Stereoscopic
Video
Proc. of IEEE Workshop on 3D
Image/Video Technologies and Applications (IVMSP), June
2013
[PDF] [BibTeX] [link]
Philip Mildner, Frederik Claus, Stephan Kopf, Wolfgang Effelsberg
Navigating Videos by Location
Proc. of the 5th Workshop on
Mobile Video (MoVid), pp. 43-48, February 2013
[PDF] [BibTeX] [link]
Jakob Huber, Stephan Kopf, Philipp Schaber
Analyse von Bildmerkmalen zur
Identifikation wichtiger Bildregionen
Technical Report TR-2013-004,
Computer
Science,
University of Mannheim, April 2013
[PDF] [BibTeX] [link]
Stephan Kopf, Benjamin
Guthier, Philipp Schaber, Torben Dittrich, Wolfgang Effelsberg
Analysis of Disparity Maps for
Detecting Saliency in Stereoscopic Video
Technical Report TR-2013-003,
Computer
Science,
University of Mannheim, April 2013 [PDF] [BibTeX] [link]
Benjamin Guthier, Johannes Kiess, Stephan Kopf, Wolfgang
Effelsberg
Stereoscopic Seam Carving with
Temporal Consistency
Technical Report TR-2013-002,
Computer
Science,
University of Mannheim, April 2013 [PDF] [BibTeX] [link]
Michael Magin, Stephan Kopf
A Collaborative Multi-Touch UML
Design Tool
Technical Report TR-2013-001,
Computer
Science,
University of Mannheim, February 2013 [PDF] [BibTeX] [link]
Dominik Schneider, Denny Stohr, Joachim Tingvold, Andre B.
Amundsen, Lydia Weiland, Ansgar Scherp, Stephan Kopf, Wolfgang
Effelsberg
fulgeo-Design of an Intuitive
User Interface for a Multimedia Search Engine
Technical
Report TR-34753, Computer Science, University of Mannheim, 2013
[PDF] [BibTeX] [link]
2012
Daniel Schön, Melanie Klinger, Stephan Kopf, Wolfgang Effelsberg
Mobile Quiz– A Lecture Survey
Tool using Smartphones and QR Tags
International Journal of Digital
Information and Wireless Communications (IJDIWC), Vol. 2
(3), pp. 231-244, July 2012
[PDF]
[BibTeX] [link]
Benjamin Guthier, Stephan Kopf, Wolfgang Effelsberg
A Real-Time System for Capturing
HDR Videos
Proc. of 20th ACM international
conference on ACM Multimedia (MM), pp. 1473 – 1476, 2012
[PDF] [BibTeX] [link]
Stephan Kopf, Stefan Wilk, Wolfgang Effelsberg
Bringing Videos to Social Media
Proc. of IEEE International
Conference on Multimedia and Expo (ICME), pp. 681 – 686,
2012
[PDF] [BibTeX] [Video] [link]
Johannes Kiess, Benjamin Guthier, Stephan Kopf, Wolfgang
Effelsberg
SeamCrop for Image Retargeting
Proc. of IS&T/SPIE
Electronic Imaging (EI) on Multimedia on Mobile Devices,
Vol. 8304, 2012
[PDF] [BibTeX] [link]
Benjamin Guthier, Stephan Kopf, Matthias Wichtlhuber, Wolfgang
Effelsberg
Parallel Algorithms for
Histogram-based Image Registration
Proc. of 19th International
Conference on Systems, Signals and Image Processing
(IWSSIP), pp. 172 – 175, April 2012
[PDF] [BibTeX] [link]
Sascha Schnaufer, Johannes Kiess, Hendrik Lemelson, Stephan Kopf,
Sebastian Geiger, Wolfgang Effelsberg
Proximity Detection and Message
Exchange in WLANs
11th IEEE International
Symposium on Network Computing and Applications (NCA),
pp.276-280, August 2012
[BibTeX]
[link]
Daniel Schön, Stephan Kopf, Stephan Schulz, Wolfgang Effelsberg
Integrating a Lightweight Mobile
Quiz on Mobile Devices into the Existing University
Infrastructure
World Conference on Educational
Media and Technology (EdMedia), pp. 1901-1907, 2012
[PDF] [BibTeX] [link]
Daniel Schön, Stephan Kopf, Wolfgang Effelsberg
A lightweight mobile quiz
application with support for multimedia content
International Conference on
e-Learning and e-Technologies in Education (ICEEE),
pp.134-139, 2012
[PDF]
[BibTeX] [link]
Benjamin Guthier, Stephan Kopf, Wolfgang Effelsberg
Optimal Shutter Speed Sequences
for Real-Time HDR Video
Proc. of IEEE International
Conference on Imaging Systems and Techniques (IST), pp.
305-308, July 2012
[PDF]
[BibTeX] [link]
Stefan Wilk, Stephan Kopf, Wolfgang Effelsberg
Robust Tracking for Interactive
Social Video
Proc. of IEEE Workshop on
Applications of Computer Vision (WACV), pp. 105 - 110,
2012
[PDF] [BibTeX] [link]
Johannes Kiess, Benjamin Guthier, Stephan Kopf, Wolfgang
Effelsberg
SeamCrop: Changing the Size and
Aspect Ratio of Videos
Proc. of ACM Workshop on Mobile
Video (MoVid), pp.13-18, 2012
[PDF] [BibTeX] [link]
Tonio Triebel, Max Lehn, Robert Rehner, Benjamin Guthier, Stephan
Kopf, Wolfgang Effelsberg
Generation of synthetic workloads
for multiplayer online gaming benchmarks
11th Annual Workshop on Network
and Systems Support for Games (NetGames), pp.1-6,
November 2012
[BibTeX]
[link]
Johannes Kiess, Rodrigo Garcia, Stephan Kopf, Wolfgang Effelsberg
Improved Image Retargeting by
Distinguishing between Faces In Focus and Out Of Focus
Proc. of International Workshop
on Emerging Multimedia Systems and Applications (EMSA),
pp. 145 – 150, July 2012
[PDF]
[BibTeX] [link]
2011
Stephan Kopf
Algorithms for Image and Video
Processing
Habilitation, Faculty of
Business Informatics and Mathematics, University of Mannheim,
September 2011
[BibTeX]
Stephan Kopf, Thomas Haenselmann, Johannes Kiess, Benjamin
Guthier, Wolfgang Effelsberg
Algorithms for video retargeting
Multimedia Tools and
Applications (MTAP), Special Issue: Hot Research Topics in
Multimedia, Vol. 51 (2), pp. 819
– 861, Springer, January 2011
[PDF] [BibTeX] [link]
Seungmin Rho, Marco Bertini, Gamhewage de Silva, Stephan Kopf
Multimedia and semantic
technologies for future computing environments
Multimedia Tools and
Applications (MTAP), Special Issue: Multimedia and semantic
technologies for future computing environments, Vol. 61
(1), pp. 1
– 6, Springer,
2011
[BibTeX] [link]
Philip Mildner, Tonio Triebel, Stephan Kopf, Wolfgang Effelsberg
A scalable Peer-to-Peer-overlay
for real-time massively multiplayer online games
Proc. of the first international
workshop on Distributed Simulation and Online Gaming (DISIO),
pp. 1
– 8, March 2011
(best paper) [PDF] [BibTeX] [link]
Benjamin Guthier, Stephan Kopf, Marc Eble, Wolfgang
Effelsberg
Flicker Reduction in Tone Mapped
High Dynamic Range Video
Proc. of IS&T/SPIE
Electronic Imaging (EI) on Color Imaging XVI: Displaying,
Processing, Hardcopy, and Applications, Vol. 7866, pp.
78660C:01
– 78660C:15,
January 2011
[PDF] [BibTeX] [link]
Stephan Kopf, Benjamin Guthier, Dirk Farin,
Jungong Han
Analysis and Retargeting of Ball
Sports Video
Proceedings of IEEE Workshop on
Applications of Computer Vision (WACV), pp. 9
– 14, January 2011
[PDF] [BibTeX] [link]
Benjamin Guthier, Stephan Kopf, Wolfgang Effelsberg
Optimal Shutter Speed Sequences
for Real-Time HDR Video
Technical Report, School
of Business Informatics and Mathematics, University of Mannheim,
Germany, 2011
[PDF] [BibTeX] [link]
2010
Sascha Schnaufer, Stephan Kopf, Wolfgang Effelsberg
BSMX - A Prototype Implementation
for Distributed Aggregation of Sensor Data
Proc. of International Workshop
on Sensing for App Phones (PhoneSense), pp. 11
– 15, November 2010
[PDF] [BibTeX] [link]
Philipp Schaber, Stephan Kopf, Fabian Bauer, Wolfgang Effelsberg
Robust Digital Watermarking in
Videos Based on Geometric Transformations
Proc. of the 18th ACM
international conference on Multimedia (MM), pp. 1219
– 1222, October 2010
[PDF] [BibTeX] [link]
Benjamin Guthier, Stephan Kopf, Wolfgang Effelsberg
Histogram-based Image
Registration for Real-time High Dynamic Range Videos
Proc. of the 17th IEEE
International Conference on Image Processing (ICIP), pp.
145
– 148, September 2010
[PDF] [BibTeX] [link]
Sascha Schnaufer, Stephan Kopf, Hendrik Lemelson, Wolfgang
Effelsberg
Beacon-based Short Message
Exchange in an Inner City Environment
Proc. of the 9th IFIP Annual
Mediterranean Ad Hoc Networking (Med-Hoc-Net), pp. 1
– 8, June 2010
[PDF] [BibTeX] [link]
Philipp Schaber, Stephan Kopf, Wolfgang Effelsberg, Niels
Thorwirth
Semi-automatic Registration of
Videos for Improved Watermark Detection
Proc. of the first annual ACM
SIGMM conference on Multimedia systems (MMSYS), pp. 23
– 34, February 2010
[PDF] [BibTeX] [link]
Johannes Kiess, Stephan Kopf, Benjamin Guthier, Wolfgang
Effelsberg
Seam Carving with Improved Edge
Preservation
Proc. of IS&T/SPIE
Electronic Imaging (EI) on Multimedia on Mobile Devices,
Vol. 7542 (1), pp. 75420G:01
– 75420G:11,
January 2010
[PDF] [BibTeX] [link]
2009
Thomas Haenselmann, Marcel Busse,
Stephan Kopf, Thomas King, Wolfgang Effelsberg
Multi Perspective Panoramic
Imaging
Elsevier Image and Vision Computing Journal,
Vol. 27 (4), pp. 391 – 401, March 2009 [PDF]
[BibTeX] [link]
Fleming Lampi, Hendrik Lemelson, Stephan Kopf, Wolfgang
Effelsberg
A Question Managing Suite for Automatic Lecture
Recording
Interactive Technology and Smart Education Journal,
Vol. 6 (2), pp. 108 – 118, April 2009
[PDF] [BibTeX] [link]
Stephan Kopf, Johannes Kiess, Hendrik Lemelson, Wolfgang
Effelsberg
FSCAV: Fast Seam Carving for Size
Adaptation of Videos
Proc. of the 17th ACM
international conference on Multimedia (MM), pp. 321
– 330, October 2009
[PDF] [BibTeX] [link]
Stephan Kopf, Benjamin Guthier, Hendrik Lemelson, Wolfgang
Effelsberg
Adaptation of Web Pages and
Images for Mobile Applications
Proc. of IS&T/SPIE
Electronic Imaging (EI) on Multimedia on Mobile Devices, Vol. 7256, pp. 72560C:01 – 72560C:12, January 2009
[PDF] [BibTeX] [link]
Benjamin Guthier, Stephan Kopf, Wolfgang Effelsberg
High-resolution inline
video-AOI for printed circuit assemblies
Proc. of IS&T/SPIE
Electronic Imaging (EI) on Image
Processing: Machine Vision Applications II, Vol. 7251,
pp. 725104:01 – 725104:12,
February 2009
[PDF] [BibTeX] [link]
Hendrik Lemelson, Stephan Kopf, Thomas King, Wolfgang Effelsberg
Improvements for 802.11-based
Location Fingerprinting Systems
Proc. of the 33rd Annual IEEE
International Computer Software and Applications Conference,
Vol. 1, pp. 21
– 28, July
2009
[PDF] [BibTeX] [link]
2008
Stephan Kopf, Wolfgang Effelsberg
Mobile Cinema: Canonical
Processes for Video Adaptation
Multimedia Systems Journal, Springer, Vol. 14
(6), pp. 369 – 375, December 2008 [PDF]
[BibTeX] [link]
Fleming Lampi, Stephan
Kopf, Manuel Benz, Wolfgang Effelsberg
A Virtual Camera Team for
Lecture Recording
IEEE MultiMedia Journal, Vol. 15 (3), pp. 58 –
61, September 2008 [PDF] [BibTeX] [link]
Fleming Lampi, Stephan
Kopf, Wolfgang Effelsberg
Automatic Lecture Recording
Proc. of the 16th ACM
international conference on Multimedia (MM) (Video Demo), pp. 1103 – 1104,
October 2008 [PDF] [Video] [BibTeX] [link]
Thomas King,
Thomas Haenselmann, Stephan Kopf, Wolfgang Effelsberg
A Measurement Study on 802.11
Concurrently Used for Positioning and Communications
Proc. of the Third International Symposium on
Wireless Pervasive Computing (ISWPC), pp. 610 – 615, May
2008 [PDF] [BibTeX] [link]
Benjamin Guthier,
Stephan Kopf, Wolfgang Effelsberg
Capturing High Dynamic Range
Images with Partial Re-exposures
Proc. of the 10th IEEE International Workshop on
Multimedia Signal Processing (MMSP), pp. 241 – 246,
October 2008 [PDF] [BibTeX] [link]
Stephan Kopf, Thomas King, Philipp Bostan, Hendrik Lemelson,
Sina Deibert, Wolfgang Effelsberg
Fundamental Services for
Context-Sensitive Mobile Applications
Proc. of the 5th Annual International Conference on
Mobile and Ubiquitous Systems: Computing, Networking, and
Services, pp. 57:1 –
57:6, July 2008 [PDF] [BibTeX] [link]
Thomas King, Stephan
Kopf, Thomas Haenselmann, Christian Lubberger, Wolfgang
Effelsberg
CRAWDAD: The Mannheim / Compass
dataset
A Community Resource for Archiving Wireless Data
At Dartmouth, 2008
[BibTeX]
[link]
2007
Stephan Kopf
Computer-based content analysis
of digital video archives (in German)
Dissertation, Faculty of Mathematics and Computer Science,
University of Mannheim, Germany, March 2007 [BibTeX]
Stephan Kopf,
Wolfgang Effelsberg
New Teaching and Learning
Technologies for Interactive Lectures
Advanced Technology for Learning Journal, ACTA
Press, Vol. 4 (2), pp. 60 – 67, March 2007 [PDF] [BibTeX] [link]
Stephan Kopf,
Wolfgang Effelsberg
Color Adaptation of Videos for
Mobile Devices
Proc. of IS&T/SPIE
Electronic Imaging (EI) on Multimedia on Mobile Devices, Vol. 6507, pp. 1 – 12, February 2007 [PDF] [BibTeX] [link]
Thomas King,
Thomas Haenselmann, Stephan Kopf, Wolfgang Effelsberg
Overhearing the Wireless
Interface for 802.11-based Positioning Systems
Proc. of the Fifth Annual IEEE International
Conference on Pervasive Computing and Communications
(PerCom), pp. 145 – 150, March 2007 [PDF] [BibTeX] [link]
Stephan Kopf,
Fleming Lampi, Thomas King, Malte Probst, Wolfgang Effelsberg
EDL-Editor: An Application for
Automatic Editing of Lecture Recordings (in German)
Proc. of DeLFI 2007: Die 5. e-Learning Fachtagung
Informatik der Gesellschaft für Informatik, pp. 33 – 44,
September 2007 (best
paper session) [PDF] [BibTeX] [link]
Fleming Lampi,
Stephan Kopf, Wolfgang Effelsberg
Automatic FSM-Based Video
Directors for Lecture Recording
Proc. of the World Conference on Educational
Multimedia, Hypermedia & Telecommunications (ED-MEDIA
), pp. 1475 – 1480, June
2007 [PDF] [BibTeX] [link]
Thomas King, Stephan Kopf
Loclib-A Location Library
Website:
http://pi4.informatik.uni-mannheim.de/pi4.data/content/projects/loclib/
, University of Mannheim/Computer Science, 2007
[link]
[BibTeX]
Hendrik Lemelson, Thomas
King, Stephan Kopf, Wolfgang Effelsberg
On the Use of Various Power
Levels to Improve Wireless LAN-based Positioning – Using
Multiple Power Levels With Fingerprinting Algorithms
Proc. of the International Conference on Wireless
Information Networks and Systems (WINSYS), pp. 225 – 231, July 2007 [PDF] [BibTeX] [link]
Thomas King,
Thomas Butter, Matthias Brantner, Stephan Kopf, Thomas
Haenselmann, Alexander Biskop, Andreas Färber, Wolfgang
Effelsberg
Distribution of Fingerprints
for 802.11-based Positioning Systems
Proc. of the 8th International Conference on Mobile
Data Management (MDM) (Demo Session), pp. 224 – 226, May
2007 [PDF] [BibTeX] [link]
Fleming Lampi, Stephan
Kopf, Manuel Benz, Wolfgang Effelsberg
An Automatic Cameraman in a
Lecture Recording System
Proc. of the ACM International Workshop on
Educational Multimedia and Multimedia Education (EMME),
pp. 11 – 18, September 2007 [PDF] [BibTeX] [link]
Thomas King, Thomas
Haenselmann, Stephan Kopf, Wolfgang Effelsberg
Key Factors for Position Errors
in 802.11-based Positioning Systems
Technical Report TR-2007-003, School of Business
Informatics and Mathematics, University of Mannheim, Germany, March 2007 [PDF] [BibTeX] [link]
2006
Thomas King, Thomas Haenselmann,
Stephan Kopf, Wolfgang Effelsberg
Positioning with Wireless-LAN
and Bluetooth (in German)
Praxis der Informationsverarbeitung und
Kommunikation Journal, Vol. 29 (1), pp. 9 – 17, March 2006 [PDF] [BibTeX] [link]
Stephan Kopf, Fleming
Lampi, Thomas King, Wolfgang Effelsberg
Automatic Scaling and Cropping
of Videos for Devices with Limited Screen Resolution
Proc. of the 14th ACM
international conference on Multimedia (MM) (Video Demo),
pp. 957 – 958, October 2006 [PDF] [Video]
[BibTeX] [link]
Stephan Kopf, Thomas King, Fleming Lampi, Wolfgang Effelsberg
Video Color Adaptation for
Mobile Devices
Proc. of the 14th ACM
international conference on Multimedia (MM) (Video Demo), pp. 963
– 964,
October 2006 [PDF] [Video]
[BibTeX] [link]
Thomas Haenselmann, Marcel
Busse, Stephan Kopf, Thomas King, Wolfgang Effelsberg
Image Fusion from uncalibrated
Video Sensor Arrays
Proc. of the Intl. Workshop on Distributed Smart Cameras,
pp. 93 – 98,
October 2006 [PDF] [BibTeX]
[link]
Thomas King, Stephan Kopf,
Wolfgang Effelsberg
Position Determination of
Students in Lecture Rooms based on Chi-square Test (in German)
Proc. of the 3. GI/ITG KuVS Fachgespräch Ortsbezogene
Anwendungen und Dienste, pp. 44 – 48, September 2006 [PDF] [BibTeX]
[link]
Fleming Lampi, Stephan Kopf, Wolfgang Effelsberg
Medial Editing and Publication of Courses - A Field
Report (in German)
Proc. of DeLFI 2006 Die 4. e-Learning Fachtagung Informatik
der Gesellschaft für Informatik, pp. 27 – 38, September 2006 (best paper
session) [PDF] [BibTeX] [link]
Thomas Haenselmann, Marcel Busse, Stephan Kopf, Thomas King,
Wolfgang Effelsberg
Multi-Camera Video Stitching
Proc. of IEEE Workshop on Content Generation and
Coding for 3D-Television, pp. 24 – 27, June 2006 [PDF]
[BibTeX] [link]
Stephan Kopf, Thomas King,
Fleming Lampi, Wolfgang Effelsberg
Automatic Camera Control in
Interactive Lectures (in German)
Proc. of Pervasive University (PerU), pp. 11 – 18, October 2006 [PDF] [BibTeX] [link]
Thomas King, Stephan Kopf, Thomas Haenselmann, Christian
Lubberger, Wolfgang Effelsberg
COMPASS: A Probabilistic Indoor
Positioning System Based on 802.11 and Digital Compasses
Proc. of the First ACM International Workshop on
Wireless Network Testbeds, Experimental Evaluation and
Characterization (WiNTECH), pp. 34 – 40, September 2006 [PDF] [BibTeX] [link]
Stephan Kopf, Manuel
Knaus
Improvement of the visual
quality of historical films (in German)
Technical Report TR-2006-001,
School of Business Informatics and Mathematics, University
of Mannheim, Germany
,
January 2006 [PDF] [BibTeX] [link]
Thomas King, Thomas
Haenselmann, Stephan Kopf, Wolfgang Effelsberg
Overhearing the Wireless
Interface for 802.11-based Positioning Systems
Technical Report TR-2006-018,
School of Business Informatics and Mathematics, University
of Mannheim, Germany
,
November 2006 [PDF] [BibTeX] [link]
Thomas King, Stephan Kopf, Thomas Haenselmann, Christian
Lubberger, Wolfgang Effelsberg
COMPASS: A Probabilistic Indoor
Positioning System Based on 802.11 and Digital Compasses
Technical Report TR-2006-012,
School of Business Informatics and Mathematics, University
of Mannheim, Germany
,
June 2006 [PDF] [BibTeX] [link]
Thomas King, Thomas
Butter, Matthias Brantner, Stephan Kopf, Thomas Haenselmann,
Alexander Biskop, Andreas Färber, Wolfgang Effelsberg
Distribution of Fingerprints
for 802.11-based Positioning Systems
Technical Report TR-2006-019,
School of Business Informatics and Mathematics, University
of Mannheim, Germany
,
December 2006 [PDF] [BibTeX] [link]
2005
Stephan Kopf, Thomas
Haenselmann, Wolfgang Effelsberg
Enhancing Curvature Scale Space
Features for Robust Shape Classification
Proc. of IEEE International Conference on Multimedia
and Expo (ICME), pp. 478 – 481, July
2005 [PDF] [BibTeX] [link]
Stephan Kopf, Thomas Haenselmann, Wolfgang Effelsberg
Shape-based Posture and Gesture
Recognition in Videos
Proc. of IS&T/SPIE
Electronic Imaging (EI), Vol. 5682, pp. 114 – 124, January 2005 [PDF] [BibTeX] [link]
Till Aldinger, Stephan
Kopf, Nicolai Scheele, Wolfgang Effelsberg
Participatory Simulation of a
Stock Exchange
Proc. of the World Conference on Educational
Multimedia, Hypermedia & Telecommunications (ED-MEDIA), pp. 3759 – 3766,
June
2005 [PDF] [BibTeX] [link]
Thomas King,
Stephan Kopf, Wolfgang Effelsberg
A Location System based on
Sensor Fusion: Research Areas and Software Architecture
Proc. of the 2. GI/ITG KuVS Fachgespräch Ortsbezogene
Anwendungen und Dienste, pp. 28 – 32, June 2005 [PDF] [BibTeX] [link]
Stephan Kopf, Nicolai Scheele, Lilli Winschel, Wolfgang
Effelsberg
Improving Activity and
Motivation of Students with Innovative Teaching and Learning
Technologies
Proc. of Methods and Technologies for Learning,
pp. 551 – 556, March 2005 [PDF] [BibTeX] [link]
Stephan Kopf, Thomas King, Wolfgang Effelsberg
Improving the Accuracy of GPS
Proc. of 2. GI/ITG KuVS Fachgespräch Ortsbezogene
Anwendungen und Dienste, pp. 24 – 27, June 2005 [PDF] [BibTeX] [link]
Stephan Kopf
Content adaptation of
multimedia items (in German)
Technical Report TR-2005-014,
School of Business Informatics and Mathematics, University
of Mannheim, Germany
,
December 2005 [PDF] [BibTeX] [link]
Thomas King, Thomas Haenselmann, Stephan Kopf, Wolfgang
Effelsberg
Positioning with Wireless-LAN
and Bluetooth (in German)
Technical Report TR-2005-015,
School of Business Informatics and Mathematics, University
of Mannheim, Germany
,
December 2005 [PDF] [BibTeX] [link]
Stephan Kopf,
Alexander Oertel
Face Recognition in Images and
Videos based on Eigenfaces (in German)
Technical Report TR-05-008,
School of Business Informatics and Mathematics, University
of Mannheim, Germany
,
September 2005 [PDF] [BibTeX] [link]
Stephan Kopf,
Thomas Haenselmann, Wolfgang Effelsberg
Robust Character Recognition in
Low-Resolution Images and Videos
Technical Report TR-05-002,
School of Business Informatics and Mathematics, University
of Mannheim, Germany
,
April 2005 [PDF] [BibTeX] [link]
Stephan Kopf,
Nicolai Scheele, Wolfgang Effelsberg
The Interactive Lecture:
Teaching and Learning Technologies for Large Classrooms
Technical Report TR-05-001,
School of Business Informatics and Mathematics, University
of Mannheim, Germany
,
January 2005 [PDF] [BibTeX] [link]
2004
Stephan Kopf, Thomas
Haenselmann, Dirk Farin, Wolfgang Effelsberg
Automatic Generation of Video
Summaries for Historical Films
Proc. of IEEE International Conference on Multimedia
and Expo (ICME), Vol.
3, pp. 2067 – 2070,
June 2004 [PDF] [BibTeX] [link]
Stephan Kopf,
Thomas Haenselmann, Dirk Farin, Wolfgang Effelsberg
Automatic Generation of
Summaries for the Web
Proc. of IS&T/SPIE
Electronic Imaging (EI), Vol. 5307, pp. 417 – 428, January 2004 [PDF] [BibTeX] [link]
Stephan Kopf,
Thomas Haenselmann, Wolfgang Effelsberg
Automatic Generation of Video
Summaries for Historical Films
Technical Report TR-04-008,
School of Business Informatics and Mathematics, University
of Mannheim, Germany
,
October 2004 [PDF] [BibTeX] [link]
Lilli Winschel,
Stephan Kopf
Development of a stock exchange
simulation with NetLogo (in German)
Technical Report TR-04-007,
School of Business Informatics and Mathematics, University
of Mannheim, Germany
,
October 2004 [PDF] [BibTeX] [link]
2003
Dirk Farin, Thomas
Haenselmann, Stephan Kopf, Gerald Kühne and Wolfgang Effelsberg
Segmentation and Classification of Moving Video Objects
In: B. Furht and O. Marques (editors), Handbook of Video
Databases, Vol. 8, pp. 561 – 591. CRC Press, September
2003 [PDF] [BibTeX] [link]
2001
Stephan Richter, Gerald
Kühne, Oliver Schuster
Contour-based Classification of
Video Objects
Proc. of IS&T/SPIE
Electronic Imaging (EI), Vol. 4315, pp. 608 – 618, January 2001 [PDF] [BibTeX] [link]
Gerald Kühne,
Stephan Richter, Markus Beier
Motion-based Segmentation and
Contour-based Classification of Video Objects
Proc. of the 9th ACM
international conference on Multimedia (MM),
pp. 41 – 50, September
2001 [PDF] [BibTeX] [link]
Gerald Kühne,
Joachim Weickert, Oliver Schuster, Stephan Richter
A Tensor-driven Active Contour
Model for Moving Object Segmentation
Proc. of IEEE International Conference on Image
Processing (ICIP),
pp. 73 – 76, October 2001 [PDF] [BibTeX] [link]
2000
Stephan Richter
Object Recognition in Image
Sequences based on Curvature Scale Space Features (in German)
Diploma Thesis, School of Business
Informatics and Mathematics, University of Mannheim, Germany
, University of Mannheim, March 2000 [BibTeX]