Hermann Hellwagner

Christian Raffelsberger, Hermann Hellwagner: Overview of Hybrid MANET-DTN Networking and its Potential for Emergency Response Operations. ECEASST 56 (2013)

Markus Waltl, Benjamin Rainer, Christian Timmerer, Hermann Hellwagner: An end-to-end tool chain for Sensory Experience based on MPEG-V. Sig. Proc.: Image Comm. 28(2): 136-150 (2013)

Fernando López, Dietmar Jannach, José M. Martínez, Christian Timmerer, Narciso N. García, Hermann Hellwagner: Bounded non-deterministic planning for multimedia adaptation. Appl. Intell. 36(1): 29-60 (2012)

Hermann Hellwagner, Heinz Hofbauer, Robert Kuschnig, Thomas Stütz, Andreas Uhl: Secure transport and adaptation of MC-EZBC video utilizing H.264-based transport protocols. Sig. Proc.: Image Comm. 27(2): 192-207 (2012)

Christian Timmerer, Markus Waltl, Benjamin Rainer, Hermann Hellwagner: Assessing the quality of sensory experience for multimedia presentations. Sig. Proc.: Image Comm. 27(8): 909-916 (2012)

Ingo Kofler, Robert Kuschnig, Hermann Hellwagner: Implications of the ISO base media file format on adaptive HTTP streaming of H.264/SVC. CCNC 2012: 549-553

Michael Eberhard, Riccardo Petrocco, Hermann Hellwagner, Christian Timmerer: Comparison of piece-picking algorithms for layered video content in peer-to-peer networks. CCNC 2012: 614-618

Daniela Pohl, Abdelhamid Bouchachia, Hermann Hellwagner: Automatic Identification of Crisis-Related Sub-events Using Clustering. ICMLA (2) 2012: 333-338

Markus Waltl, Benjamin Rainer, Christian Timmerer, Hermann Hellwagner: A toolset for the authoring, simulation, and rendering of sensory experiences. ACM Multimedia 2012: 1469-1472

Markus Waltl, Benjamin Rainer, Christian Timmerer, Hermann Hellwagner: Enhancing the User Experience with the Sensory Effect Media Player and AmbientLib. MMM 2012: 624-626

Markus Waltl, Christian Timmerer, Benjamin Rainer, Hermann Hellwagner: Sensory effect dataset and test setups. QoMEX 2012: 115-120

Benjamin Rainer, Markus Waltl, Eva Cheng, Muawiyath Shujau, Christian Timmerer, Stephen J. Davis, Ian S. Burnett, Christian Ritz, Hermann Hellwagner: Investigating the impact of sensory effects on the Quality of Experience and emotional response in web videos. QoMEX 2012: 278-283

Daniela Pohl, Abdelhamid Bouchachia, Hermann Hellwagner: Supporting Crisis Management via Sub-event Detection in Social Networks. WETICE 2012: 373-378

Hermann Hellwagner, Ingo Kofler: Keynote: In-network adaptation of scalable video (H.264/SVC) content. WISES 2012: 2

Christian Raffelsberger, Hermann Hellwagner: Evaluation of MANET routing protocols in a realistic emergency response scenario. WISES 2012: 88-92

Daniela Pohl, Abdelhamid Bouchachia, Hermann Hellwagner: Automatic sub-event detection in emergency management using social media. WWW (Companion Volume) 2012: 683-686

Michael Eberhard, Hermann Hellwagner, Christian Timmerer, Tibor Szkaliczki, László Szobonya: An evaluation of piece-picking algorithms for layered content in Bittorrent-based peer-to-peer systems. ICME 2011: 1-6

Michael Grafl, Christian Timmerer, Hermann Hellwagner: Quality impact of Scalable Video Coding tunneling for Media-Aware content delivery. ICME 2011: 1-6

Ingo Kofler, Robert Kuschnig, Hermann Hellwagner: Evaluating the networking performance of Linux-based home router platforms for multimedia services. ICME 2011: 1-6

Robert Kuschnig, Ingo Kofler, Hermann Hellwagner: Evaluation of HTTP-based request-response streams for internet video streaming. MMSys 2011: 245-256

Ingo Kofler, Robert Kuschnig, Hermann Hellwagner: In-network adaptation of H.264/SVC for HD video streaming over 802.11g networks. NOSSDAV 2011: 9-14

Hermann Hellwagner: SCI (Scalable Coherent Interface). Encyclopedia of Parallel Computing 2011: 1794-1803

Tibor Szkaliczki, Michael Eberhard, Hermann Hellwagner, László Szobonya: Piece Selection Algorithm for Layered Video Streaming in P2P Networks. Electronic Notes in Discrete Mathematics 36: 1265-1272 (2010)

Christian Timmerer, Johannes Jabornig, Hermann Hellwagner: A Survey on Delivery Context Description Formats - A Comparison and Mapping Model. JDIM 8(1): 16-27 (2010)

Robert Kuschnig, Ingo Kofler, Hermann Hellwagner: An evaluation of TCP-based rate-control algorithms for adaptive internet streaming of H.264/SVC. MMSys 2010: 157-168

Michael Ransburg, Mario Jonke, Hermann Hellwagner: An Evaluation of Mobile End Devices in Multimedia Streaming Scenarios. MOBILWARE 2010: 400-412

Michael Ransburg, Eduardo Martínez-Gracía, Tiia Sutinen, Jordi Ortiz Murillo, Michael Sablatschan, Hermann Hellwagner: Scalable Video Coding Impact on Networks. MobiMedia 2010: 571-581

Michael Sablatschan, Jordi Ortiz Murillo, Michael Ransburg, Hermann Hellwagner: Efficient SVC-to-AVC Conversion at a Media Aware Network Element - (Demo Paper). MobiMedia 2010: 582-588

Markus Waltl, Christian Raffelsberger, Christian Timmerer, Hermann Hellwagner: Metadata-Based Content Management and Sharing System for Improved User Experience. UCMedia 2010: 132-140

Markus Waltl, Christian Timmerer, Hermann Hellwagner: Increasing the user experience of multimedia presentations with sensory effects. WIAMIS 2010: 1-4

Hermann Hellwagner, Robert Kuschnig, Thomas Stütz, Andreas Uhl: Efficient in-network adaptation of encrypted H.264/SVC content. Sig. Proc.: Image Comm. 24(9): 740-758 (2009)

Bernhard Reiterer, Cyril Concolato, Hermann Hellwagner: Natural-Language-Based Conversion of Images to Mobile Multimedia Experiences. UCMedia 2009: 87-90

Roland Tusch, Michael Jakab, Julius Köpke, Armin Krätschmer, Michael Kropfberger, Sigrid Kuchler, Michael Ofner, Hermann Hellwagner, László Böszörményi: Context-Aware UPnP-AV Services for Adaptive Home Multimedia Systems. Int. J. Digital Multimedia Broadcasting 2008 (2008)

Christian Timmerer, Hermann Hellwagner: Das MPEG-21 Multimedia-Framework. Informatik Spektrum 31(6): 576-579 (2008)

Robert Kuschnig, Ingo Kofler, Michael Ransburg, Hermann Hellwagner: Design options and comparison of in-network H.264/SVC adaptation. J. Visual Communication and Image Representation 19(8): 529-542 (2008)

Phivos Mylonas, Hermann Hellwagner, Pablo Castells, Manolis Wallace: Signal, image and video processing (SIVP) special issue on "multimedia semantics, adaptation and personalization" Editorial. Signal, Image and Video Processing 2(4): 287-288 (2008)

Ingo Kofler, Joachim Seidl, Christian Timmerer, Hermann Hellwagner, Ismail Djama, Toufik Ahmed: Using MPEG-21 for cross-layer multimedia content adaptation. Signal, Image and Video Processing 2(4): 355-370 (2008)

Bernhard Reiterer, Cyril Concolato, Janine Lachner, Jean Le Feuvre, Jean-Claude Moissinac, Stefano Lenzi, Stefano Chessa, Enrique Fernández Ferrá, Juan José González Menaya, Hermann Hellwagner: User-centric universal multimedia access in home networks. The Visual Computer 24(7-9): 837-845 (2008)

Markus Quaritsch, Emil Stojanovski, Christian Bettstetter, Gerhard Friedrich, Hermann Hellwagner, Bernhard Rinner, Michael W. Hofbaur, Mubarak Shah: Collaborative microdrones: applications and research challenges. Autonomics 2008: 38

Raffaele Bolla, Matteo Repetto, Saar De Zutter, Rik Van de Walle, Stefano Chessa, Francesco Furfari, Bernhard Reiterer, Hermann Hellwagner, Mark Asbach, Mathias Wien: A context-aware architecture for QoS and transcoding management of multimedia streams in smart homes. ETFA 2008: 1354-1361

Michael Eberhard, Luca Celetto, Christian Timmerer, Emanuele Quacchio, Hermann Hellwagner, Fabrizio S. Rovati: An interoperable multimedia delivery framework for scalable video coding based on MPEG-21 Digital Item Adaptation. ICME 2008: 1607-1608

Martin Prangl, Ingo Kofler, Hermann Hellwagner: Towards QoS Improvements of TCP-Based Media Delivery. ICNS 2008: 188-193

Janine Lachner, Hermann Hellwagner: Information and Communication Systems for Mobile Emergency Response. UNISCON 2008: 213-224

Ingo Kofler, Martin Prangl, Robert Kuschnig, Hermann Hellwagner: An H.264/SVC-based adaptation proxy on a WiFi router. NOSSDAV 2008: 63-68

Julius Köpke, Roland Tusch, Hermann Hellwagner, L. Bszrmenyi: Context-Aware Hoarding of Multimedia Content in a Large-Scale Tour Guide Scenario - A Case Study on Scaling Issues of a Multimedia Tour Guide. SIGMAP 2008: 15-22

Fernando López, Dietmar Jannach, José M. Martínez, Christian Timmerer, Hermann Hellwagner, Narciso N. García: Multimedia Adaptation Decisions Modelled as Non-deterministic Operations. WIAMIS 2008: 46-49

Michael Eberhard, Luca Celetto, Christian Timmerer, Emanuele Quacchio, Hermann Hellwagner: Performance Analysis of Scalable Video Adaptation: Generic versus Specific Approach. WIAMIS 2008: 50-53

Michael Mackay, David Hutchison, Michael Ransburg, Hermann Hellwagner: Combined Adaptation and Caching of MPEG-4 SVC in Streaming Scenarios. WIAMIS 2008: 101-104

Michael Ransburg, Hubert Gressl, Hermann Hellwagner: Efficient Transformation of MPEG-21 Metadata for Codec-agnostic Adaptation in Real-Time Streaming Scenarios. WIAMIS 2008: 143-146

László Böszörményi, Hermann Hellwagner, Peter Schojer: Metadata-driven optimal transcoding in a multimedia proxy. Multimedia Syst. 13(1): 51-68 (2007)

Martin Prangl, Tibor Szkaliczki, Hermann Hellwagner: A Framework for Utility-Based Multimedia Adaptation. IEEE Trans. Circuits Syst. Video Techn. 17(6): 719-728 (2007)

Michael Ransburg, Christian Timmerer, Hermann Hellwagner, Sylvain Devillers: Processing and Delivery of Multimedia Metadata for Multimedia Content Streaming. BTW Workshops 2007: 117-138

Martin Prangl, Roland Bachlechner, Hermann Hellwagner: A Hybrid Recommender Strategy for Personalized Utility-Based Cross-Modal Multimedia Adaptation. ICME 2007: 1707-1710

Michael Jakab, Michael Kropfberger, Michael Ofner, Roland Tusch, Hermann Hellwagner, László Böszörményi: Metadata Integration and Media Transcoding in Universal-Plug-and-Play (UPnP) Enabled Networks. PDP 2007: 363-372

Michael Kropfberger, Roland Tusch, Michael Jakab, Julius Köpke, Michael Ofner, Hermann Hellwagner, László Böszörményi: A Multimedia-based Guidance System for Various Consumer Devices. WEBIST (2) 2007: 83-90

Michael Ransburg, Christian Timmerer, Hermann Hellwagner, Sylvain Devillers: Design and Evaluation of a Metadata-Driven Adaptation Node. WIAMIS 2007: 83

Martin Prangl, Hermann Hellwagner: A Framework for Personalized Utility-Aware IP-Based Multimedia Consumption. WOWMOM 2007: 1-3

Dietmar Jannach, Klaus Leopold, Christian Timmerer, Hermann Hellwagner: A knowledge-based framework for multimedia adaptation. Appl. Intell. 24(2): 109-125 (2006)

Robbie De Sutter, Sam Lerouge, Peter De Neve, Christian Timmerer, Hermann Hellwagner, Rik Van de Walle: Comparison of XML serializations: cost benefits versus complexity. Multimedia Syst. 12(2): 101-115 (2006)

Martin Prangl, Hermann Hellwagner, Tibor Szkaliczki: Fast Adaptation Decision Taking for Cross-Modal Multimedia Content Adaptation. ICME 2006: 137-140

Christian Timmerer, Hermann Hellwagner: Interoperable Adaptive Multimedia Communication. IEEE MultiMedia 12(1): 74-79 (2005)

Peter Schojer, László Böszörményi, Hermann Hellwagner: An Adaptive Standard Meta-data Aware Proxy Cache. Scalable Computing: Practice and Experience 6(2) (2005)

Sylvain Devillers, Christian Timmerer, Jörg Heuer, Hermann Hellwagner: Bitstream syntax description-based adaptation in streaming and constrained environments. IEEE Transactions on Multimedia 7(3): 463-470 (2005)

Michael Ransburg, Hermann Hellwagner: Generic Streaming of Multimedia Content. EuroIMSA 2005: 324-330

Robbie De Sutter, Christian Timmerer, Hermann Hellwagner, Rik Van de Walle: Multimedia Metadata Processing: A Format Independent Approach. EuroIMSA 2005: 343-348

Andreas Hutter, Peter Amon, G. Panis, Eric Delfosse, Michael Ransburg, Hermann Hellwagner: Automatic adaptation of streaming multimedia content in a dynamic and distributed environment. ICIP (3) 2005: 716-719

Christian Timmerer, Ingo Kofler, Johannes Liegl, Hermann Hellwagner: An Evaluation of Existing Metadata Compression and Encoding Technologies for MPEG-21 Applications. ISM 2005: 534-539

Roland Tusch, László Böszörményi, Balázs Goldschmidt, Hermann Hellwagner, Peter Schojer: Offensive and defensive adaptation in distributed multimedia systems. Comput. Sci. Inf. Syst. 1(1): 45-73 (2004)

Christian Timmerer, Hermann Hellwagner: Interoperable multimediale Kommunikation im Internet mittels MPEG-21 Digital Item Adaptation. GI Jahrestagung (2) 2004: 301-305

Michael Kropfberger, Hermann Hellwagner: Evaluation of RTP immediate feedback and retransmission extensions. ICME 2004: 1751-1754

Dietmar Jannach, Klaus Leopold, Hermann Hellwagner: An Extensible Framework for Knowledge-Based Multimedia Adaptation. IEA/AIE 2004: 144-153

Dietmar Jannach, Klaus Leopold, Christian Timmerer, Hermann Hellwagner: Toward Semantic Web Services for Multimedia Adaptation. WISE 2004: 641-652

László Böszörményi, Hermann Hellwagner, Harald Kosch, Mulugeta Libsie, Stefan Podlipnig: Metadata driven adaptation in the ADMITS project. Sig. Proc.: Image Comm. 18(8): 749-766 (2003)

José Duato, Olav Lysne, Timothy Mark Pinkston, Hermann Hellwagner: Topic Introduction. Euro-Par 2003: 929

Matthias Ohlenroth, Hermann Hellwagner: A protocol for adaptation-aware multimedia streaming. ICME 2003: 661-664

Peter Schojer, László Böszörményi, Hermann Hellwagner, Bernhard Penz, Stefan Podlipnig: Architecture of a quality based intelligent proxy (QBIX) for MPEG-4 videos. WWW 2003: 394-402

Harald Kosch, László Böszörményi, Hermann Hellwagner (Eds.): Euro-Par 2003. Parallel Processing, 9th International Euro-Par Conference, Klagenfurt, Austria, August 26-29, 2003. Proceedings. Lecture Notes in Computer Science 2790, Springer 2003, isbn 3-540-40788-X

Hermann Hellwagner, Matthias Ohlenroth: VI architecture communication features and performance on the Giganet cluster LAN. Future Generation Comp. Syst. 18(3): 421-433 (2002)

Matthias Ohlenroth, Hermann Hellwagner: RTP packetization of MPEG-4 elementary streams. ICME (2) 2002: 465-468

Balázs Csizmazia, Hermann Hellwagner: The Design and Implementation of the A2QM3 System. Active Middleware Services 2002: 19-26

László Böszörményi, Mario Döller, Hermann Hellwagner, Harald Kosch, Mulugeta Libsie, Peter Schojer: Comprehensive treatment of adaptation in distributed multimedia systems in the ADMITS project. ACM Multimedia 2002: 429-430

Harald Kosch, László Böszörményi, Hermann Hellwagner: Modeling and Querying Content Description and Quality Adaptation Capabilities of Audio-Visual Data. DEXA Workshop 2001: 141-145

Hermann Hellwagner, Markus Lachowitz, Matthias Ohlenroth: Exploring the Performance of VI Architecture Communication Features in the Giganet Cluster LAN. PDPTA 2000

Ivan Zoraja, Hermann Hellwagner, Vaidy S. Sunderam: SCIPVM: Parallel distributed computing on SCI workstation clusters. Concurrency - Practice and Experience 11(3): 121-138 (1999)

Hermann Hellwagner: The SCI Standard and Applications of SCI. Scalable Coherent Interface 1999: 3-37

Hermann Hellwagner, Josef Weidendorfer: SCI Sockets Library. Scalable Coherent Interface 1999: 209-229

Hermann Hellwagner, Alexander Reinefeld (Eds.): SCI: Scalable Coherent Interface, Architecture and Software for High-Performance Compute Clusters. Lecture Notes in Computer Science 1734, Springer 1999, isbn 3-540-66696-6

Christian Weiß, Jürgen Knopp, Hermann Hellwagner: Implementing Automatic Coordination on Networks of Workstations. HIPS 1998: 72-81

Bjarne Geir Herland, Michael Eberl, Hermann Hellwagner: A Common Messaging Layer for MPI and PVM over SCI. HPCN Europe 1998: 576-587

Michael Eberl, Hermann Hellwagner, Wolfgang Karl, Markus Leberecht: Sicherheit und Effizienz in einer Active-Message-Kommunikationsschicht. ARCS 1997: 211-220

Hermann Hellwagner, Wolfgang Karl, Markus Leberecht: Fast Communication Mechanisms - Coupling Hardware Distributed Shared Memory and User-Level Messaging. PDPTA 1997: 1294-1301

Günter Böckle, Hermann Hellwagner, Roland Lepold, Gerd Sandweg, Burghardt Schallenberger, Raimar Thudt, Stefan Wallstab: Structured Evaluation of Computer Systems. IEEE Computer 29(6): 45-51 (1996)

Günter Böckle, Hermann Hellwagner: Systematic Assessment of Computer Systems Architectures. GI Jahrestagung 1994: 310-317

Hermann Hellwagner: Design Considerations for Scalable Parallel File Systems. Comput. J. 36(8): 741-755 (1993)

Hermann Hellwagner: Randomized Shared Memory - Concept and Efficiency of a Scalable Shared Memory Scheme. Parallel Computer Architectures 1993: 102-117

Hermann Hellwagner: On the Practical Efficiency of Randomized Shared Memory. CONPAR 1992: 429-440

Hermann Hellwagner: CAST.Fourier - An Interactive Method Bank for Generalized Spectral Techniques. EUROCAST 1989: 355-366