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2010 – 2019
- 2018
[j14]Johannes Kiess, Stephan Kopf
, Benjamin Guthier, Wolfgang Effelsberg:
A Survey on Content-Aware Image and Video Retargeting. ACM Trans. Multim. Comput. Commun. Appl. 14(3): 76:1-76:28 (2018)- 2017
- [j13]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. Comput. Entertain. 15(3): 3:1-3:21 (2017) - 2016
- [j12]Stefan Wilk, Stephan Kopf, Wolfgang Effelsberg:
Collaborative Annotation of Videos Relying on Weak Consistency. ACM Trans. Multim. Comput. Commun. Appl. 12(3): 45:1-45:23 (2016) - [c50]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. CSEDU (1) 2016: 441-448 - [c49]Lukas Stehr, Robert Meusel, Stephan Kopf:
A real-time visual card reader for mobile devices. WACV 2016: 1-7 - 2015
- [j11]Philipp Schaber, Stephan Kopf, Sina Wetzel, Tyler Ballast, Christoph Wesch, Wolfgang Effelsberg:
CamMark: Analyzing, Modeling, and Simulating Artifacts in Camcorder Copies. ACM Trans. Multim. Comput. Commun. Appl. 11(2s): 42:1-42:23 (2015) - [c48]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. CSEDU (1) 2015: 108-118 - [c47]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. CSEDU (Selected Papers) 2015: 189-207 - [c46]Philipp Schaber, Sally Dong, Benjamin Guthier, Stephan Kopf, Wolfgang Effelsberg:
Modeling Temporal Effects in Re-captured Video. ACM Multimedia 2015: 1279-1282 - [c45]Stefan Wilk, Stephan Kopf, Wolfgang Effelsberg:
Video composition by the crowd: a system to compose user-generated videos in near real-time. MMSys 2015: 13-24 - 2014
- [j10]Benjamin Guthier, Stephan Kopf, Matthias Wichtlhuber, Wolfgang Effelsberg:
Parallel implementation of a real-time high dynamic range video system. Integr. Comput. Aided Eng. 21(2): 189-202 (2014) - [j9]Max Lehn, Tonio Triebel, Robert Rehner, Benjamin Guthier, Stephan Kopf, Alejandro P. Buchmann, Wolfgang Effelsberg:
On synthetic workloads for multiplayer online games: a methodology for generating representative shooter game workloads. Multim. Syst. 20(5): 609-620 (2014) - [c44]Daniel Schön, Steffen Sikora, Stephan Kopf, Wolfgang Effelsberg:
GLA: A Generic Analytics Tool for e-Learning. DeLFI Workshops 2014: 112-115 - [c43]Daniel Schön, Philip Mildner, Stephan Kopf, Wolfgang Effelsberg:
SMASH: Ein generisches System für interaktive Szenarien in der Vorlesung. DeLFI 2014: 294-296 - [c42]Stephan Kopf, Benjamin Guthier, Christopher Hipp, Johannes Kiess, Wolfgang Effelsberg:
Warping-based video retargeting for stereoscopic video. ICIP 2014: 2898-2902 - [c41]Philipp Schaber, Stephan Kopf, Christoph Wesch, Wolfgang Effelsberg:
CamMark: a camcorder copy simulation as watermarking benchmark for digital video. MMSys 2014: 91-102 - [c40]Johannes Kiess, Daniel Gritzner, Benjamin Guthier, Stephan Kopf, Wolfgang Effelsberg:
GPU video retargeting with parallelized SeamCrop. MMSys 2014: 139-147 - [c39]D. Schneider, Denny Stohr, J. Tingvold, A. B. Amundsen, Lydia Weiland, Stephan Kopf, Wolfgang Effelsberg, Ansgar Scherp:
Fulgeo - Towards an Intuitive User Interface for a Semantics-Enabled Multimedia Search Engine. ICSC 2014: 254-255 - [e1]Hanzi Wang, Larry Davis, Wenwu Zhu, Stephan Kopf, Yanyun Qu, Jun Yu, Jitao Sang, Tao Mei:
International Conference on Internet Multimedia Computing and Service, ICIMCS '14, Xiamen, China, July 10-12, 2014. ACM 2014, ISBN 978-1-4503-2810-4 [contents] - 2013
- [j8]Benjamin Guthier, Stephan Kopf, Wolfgang Effelsberg:
Algorithms for a real-time HDR video system. Pattern Recognit. Lett. 34(1): 25-33 (2013) - [c38]Benjamin Guthier, Johannes Kieß, Stephan Kopf, Wolfgang Effelsberg:
Seam carving for stereoscopic video. IVMSP 2013: 1-4 - [c37]Benjamin Guthier, Kalun Ho, Stephan Kopf, Wolfgang Effelsberg:
Determining exposure values from HDR histograms for smartphone photography. ACM Multimedia 2013: 425-426 - [c36]Torben Dittrich, Stephan Kopf, Philipp Schaber, Benjamin Guthier, Wolfgang Effelsberg:
Saliency detection for stereoscopic video. MMSys 2013: 12-23 - [c35]Philip Mildner, Frederik Claus, Stephan Kopf, Wolfgang Effelsberg:
Navigating videos by location. MoVid@MMSys 2013: 43-48 - 2012
- [j7]Seungmin Rho, Marco Bertini, Gamhewage Chaminda de Silva, Stephan Kopf:
Multimedia and semantic technologies for future computing environments. Multim. Tools Appl. 61(1): 1-6 (2012) - [c34]Johannes Kiess, Benjamin Guthier, Stephan Kopf, Wolfgang Effelsberg:
SeamCrop for image retargeting. Multimedia on Mobile Devices / Multimedia Content Access: Algorithms and Systems 2012: 83040K - [c33]Johannes Kiess, Rodrigo Garcia, Stephan Kopf, Wolfgang Effelsberg:
Improved Image Retargeting by Distinguishing between Faces in Focus and Out of Focus. ICME Workshops 2012: 145-150 - [c32]Stephan Kopf, Stefan Wilk, Wolfgang Effelsberg:
Bringing Videos to Social Media. ICME 2012: 681-686 - [c31]Benjamin Guthier, Stephan Kopf, Wolfgang Effelsberg:
A real-time system for capturing HDR videos. ACM Multimedia 2012: 1473-1476 - [c30]Sascha Schnaufer, Johannes Kiess, Hendrik Lemelson, Stephan Kopf, Sebastian Geiger, Wolfgang Effelsberg:
Proximity Detection and Message Exchange in WLANs. NCA 2012: 276-280 - [c29]Tonio Triebel, Max Lehn, Robert Rehner, Benjamin Guthier, Stephan Kopf, Wolfgang Effelsberg:
Generation of synthetic workloads for multiplayer online gaming benchmarks. NetGames 2012: 1-6 - [c28]Stefan Wilk, Stephan Kopf, Wolfgang Effelsberg:
Robust tracking for interactive social video. WACV 2012: 105-110 - 2011
- [j6]Stephan Kopf, Thomas Haenselmann, Johannes Kiess, Benjamin Guthier, Wolfgang Effelsberg:
Algorithms for video retargeting. Multim. Tools Appl. 51(2): 819-861 (2011) - [c27]Benjamin Guthier, Stephan Kopf, Marc Eble, Wolfgang Effelsberg:
Flicker reduction in tone mapped high dynamic range video. Color Imaging: Displaying, Processing, Hardcopy, and Applications 2011: 78660C - [c26]Philip Mildner, Tonio Triebel, Stephan Kopf, Wolfgang Effelsberg:
A scalable peer-to-peer-overlay for real-time massively multiplayer online games. SimuTools 2011: 304-311 - [c25]Stephan Kopf, Benjamin Guthier, Dirk Farin, Jungong Han:
Analysis and retargeting of ball sports video. WACV 2011: 9-14 - 2010
- [c24]Benjamin Guthier, Stephan Kopf, Wolfgang Effelsberg:
Histogram-based image registration for real-time high dynamic range videos. ICIP 2010: 145-148 - [c23]Sascha Schnaufer, Stephan Kopf, Hendrik Lemelson, Wolfgang Effelsberg:
Beacon-based short message exchange in an inner city environment. Med-Hoc-Net 2010: 1-8 - [c22]Philipp Schaber, Stephan Kopf, Fabian Bauer, Wolfgang Effelsberg:
Robust digital watermarking in videos based on geometric transformations. ACM Multimedia 2010: 1219-1222 - [c21]Philipp Schaber, Stephan Kopf, Wolfgang Effelsberg, Niels J. Thorwirth:
Semi-automatic registration of videos for improved watermark detection. MMSys 2010: 23-34
2000 – 2009
- 2009
- [j5]Fleming Lampi, Hendrik Lemelson, Stephan Kopf, Wolfgang Effelsberg:
A question managing suite for automatic lecture recording. Interact. Technol. Smart Educ. 6(2): 108-118 (2009) - [j4]Thomas Haenselmann, Marcel Busse, Stephan Kopf, Thomas King, Wolfgang Effelsberg:
Multi perspective panoramic imaging. Image Vis. Comput. 27(4): 391-401 (2009) - [c20]Hendrik Lemelson, Stephan Kopf, Thomas King, Wolfgang Effelsberg:
Improvements for 802.11-Based Location Fingerprinting Systems. COMPSAC (1) 2009: 21-28 - [c19]Stephan Kopf, Johannes Kiess, Hendrik Lemelson, Wolfgang Effelsberg:
FSCAV: fast seam carving for size adaptation of videos. ACM Multimedia 2009: 321-330 - 2008
- [j3]Fleming Lampi, Stephan Kopf, Manuel Benz, Wolfgang Effelsberg:
A Virtual Camera Team for Lecture Recording. IEEE Multim. 15(3): 58-61 (2008) - [j2]Stephan Kopf, Wolfgang Effelsberg:
Mobile cinema: canonical processes for video adaptation. Multim. Syst. 14(6): 369-375 (2008) - [c18]Thomas King, Thomas Haenselmann, Stephan Kopf, Wolfgang Effelsberg:
A measurement study on 802.11 concurrently used for positioning and communications. ISWPC 2008: 610-615 - [c17]Fleming Lampi, Stephan Kopf, Wolfgang Effelsberg:
Automatic lecture recording. ACM Multimedia 2008: 1103-1104 - [c16]Benjamin Guthier, Stephan Kopf, Wolfgang Effelsberg:
Capturing high dynamic range images with partial re-exposures. MMSP 2008: 241-246 - [c15]Stephan Kopf, Thomas King, Philipp Bostan, Hendrik Lemelson, Sina Deibert, Wolfgang Effelsberg:
Fundamental services for context-sensitive mobile applications. MobiQuitous 2008 - 2007
- [c14]Stephan Kopf, Fleming Lampi, Thomas King, M. Probst, Wolfgang Effelsberg:
EDL-Editor: Eine Anwendung zur automatischen Aufbereitung von Vorlesungsvideos. DeLFI 2007: 33-44 - [c13]Thomas King, Thomas Butter, Matthias Brantner, Stephan Kopf, Thomas Haenselmann, Alexander Biskop, Andreas Farber, Wolfgang Effelsberg:
Distribution of Fingerprints for 802.11-Based Positioning Systems. MDM 2007: 224-226 - [c12]Fleming Lampi, Stephan Kopf, Manuel Benz, Wolfgang Effelsberg:
An automatic cameraman in a lecture recording system. ACM Multimedia EMME Workshop 2007: 11-18 - [c11]Thomas King, Thomas Haenselmann, Stephan Kopf, Wolfgang Effelsberg:
Overhearing the Wireless Interface for 802.11-Based Positioning Systems. PerCom 2007: 145-150 - [c10]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. WINSYS 2007: 225-231 - 2006
- [b1]Stephan Kopf:
Computergestützte Inhaltsanalyse von digitalen Videoarchiven. University of Mannheim, Germany, 2006, pp. 1-266 - [j1]Thomas King, Thomas Haenselmann, Stephan Kopf, Wolfgang Effelsberg:
Positionierung mit Wireless-LAN und Bluetooth. Prax. Inf.verarb. Kommun. 29(1): 9-17 (2006) - [c9]Fleming Lampi, Stephan Kopf, Wolfgang Effelsberg:
Mediale Aufbereitung von Lehrveranstaltungen und ihre automatische Veröffentlichung - Ein Erfahrungsbericht. DeLFI 2006: 27-38 - [c8]Stephan Kopf, Thomas King, Fleming Lampi, Wolfgang Effelsberg:
Automatische Kamerasteuerung in Interaktiven Vorlesungen. GI Jahrestagung (1) 2006: 80-84 - [c7]Stephan Kopf, Fleming Lampi, Thomas King, Wolfgang Effelsberg:
Automatic scaling and cropping of videos for devices with limited screen resolution. ACM Multimedia 2006: 957-958 - [c6]Stephan Kopf, Thomas King, Fleming Lampi, Wolfgang Effelsberg:
Video color adaptation for mobile devices. ACM Multimedia 2006: 963-964 - [c5]Thomas King, Stephan Kopf, Thomas Haenselmann, Christian Lubberger, Wolfgang Effelsberg:
COMPASS: A probabilistic indoor positioning system based on 802.11 and digital compasses. WiNTECH 2006: 34-40 - 2005
- [c4]Stephan Kopf, Thomas Haenselmann, Wolfgang Effelsberg:
Enhancing curvature scale space features for robust shape classification. ICME 2005: 478-481 - [c3]Stephan Kopf, Thomas Haenselmann, Wolfgang Effelsberg:
Shape-based posture and gesture recognition in videos. Storage and Retrieval Methods and Applications for Multimedia 2005: 114-124 - 2004
- [c2]Stephan Kopf, Thomas Haenselmann, Dirk Farin, Wolfgang Effelsberg:
Automatic generation of video summaries for historical films. ICME 2004: 2067-2070 - [c1]Stephan Kopf, Thomas Haenselmann, Dirk Farin, Wolfgang Effelsberg:
Automatic generation of summaries for the Web. Storage and Retrieval Methods and Applications for Multimedia 2004: 417-428
Coauthor Index
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