Klagenfurt University (UNIKLU) – Faculty of Technical Sciences (TEWI) – Department of Information Technology (ITEC) – Multimedia Communication (MMC)
Publications 2001 – 2008
2008
I. Kofler, J. Seidl, C. Timmerer, H. Hellwagner, I. Djama and T. Ahmed, “Using MPEG-21 for cross-layer multimedia content adaptation”, Journal on Signal, Image and Video Processing, Springer, vol. 2, no. 4, Dec. 2008. [PDF]
M. Sidibe, H. Koumaras, I. KofIer, A. Mehaoua, A. Kourtis, and C. Timmerer, “A novel monitoring architecture for media services adaptation based on network QoS to perceived QoS mapping”, Journal on Signal, Image and Video Processing, Springer, vol. 2, no. 4, Dec. 2008. [PDF]
C. Timmerer, “Multimedia Adaptation Decision-Taking”, short article, in: Borko Furht (ed.), Encyclopedia of Multimedia, 2nd edition, Springer, pp. 485-487, October 2008. [PDF]
D. Jannach, C. Timmerer, and H. Hellwagner, “Knowledge-based Multimedia Adaptation Decision-Taking”, long article, in: Borko Furht (ed.), Encyclopedia of Multimedia, 2nd edition, Springer, pp. 391-394, October 2008. [PDF]
I. Kofler, C. Timmerer, and H. Hellwagner, “Optimization-based Multimedia Adaptation Decision-Taking”, long article, in: Borko Furht (ed.), Encyclopedia of Multimedia, 2nd edition, Springer, pp. 699-704, October 2008. [PDF]
C. Timmerer, A. Vetro, and H. Hellwagner, “MPEG-21 Digital Item Adaptation”, long article, in: Borko Furht (ed.), Encyclopedia of Multimedia, 2nd edition, Springer, pp. 457-463, October 2008. [PDF]
C. Timmerer and H. Hellwagner, “MPEG-21 Multimedia Framework”, long article, in: Borko Furht (ed.), Encyclopedia of Multimedia, 2nd edition, Springer, pp. 463-469, October 2008. [PDF]
C. Timmerer, M. Ransburg, and H. Hellwagner, “Generic Multimedia Content Adaptation”, long article, in: Borko Furht (ed.), Encyclopedia of Multimedia, 2nd edition, Springer, pp. 263-271, October 2008. [PDF]
C. Timmerer, M. T. Andrade, P. Carvalho, D. Rogai, and G. Cordara, “The Semantics of MPEG-21 Digital Items Revisited”, Proceedings of ACM Multimedia 2008 2nd International Workshop on the Many Faces of Multimedia Semantics, Vancouver, Canada, October 27 - November 1, 2008. [PDF]
R. Kuschnig, I. Kofler, M. Ransburg, H. Hellwagner, “Design options and comparison of in-network H.264/SVC adaptation”, Journal of Visual Communication and Image Representation, Sept. 2008. [PDF]
R. Bolla, M. Repetto, S. Chessa, F. Furfari, M. Asbach, M. Wien, B. Reiterer, H. Hellwagner, R. Van de Walle, S. De Zutter, “A Context-Aware Architecture for QoS and Transcoding Management of Multimedia Streams in Smart Homes”, Proceedings of the 13th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA08), Hamburg, Germany, Sept. 2008. [PDF]
M. Eberhard, L. Celetto, C. Timmerer, E. Quacchio, and H. Hellwagner, “An Interoperable Streaming Framework for Scalable Video Coding based on MPEG-21”, STreaming Day'08 Proceedings, Parma, Italy, September 2008. [PDF] [Ack: P2P-Next]
M. Quaritsch, E. Stojanovski, C. Bettstetter, G. Friedrich, H. Hellwagner, B. Rinner, M. Hofbauer, M. Shah, “Collaborative Microdrones: Applications and Research Challenges”, Proceedings of the Second International Conference on Autonomic Computing and Communication Systems (AUTONOMICS 2008), Turin, Italy, Sept. 2008. [PDF]
R. Tusch, M. Jakab, J. Köpke, A. Krätschmer, M. Kropfberger, S. Kuchler, M. Ofner, H. Hellwagner, L. Böszörmenyi, “Context-Aware UPnP-AV Services for Adaptive Home Multimedia Systems”, International Journal of Digital Multimedia Broadcasting, vol. 2008, Article ID 835438, 12 pages, 2008. [PDF]
B. Reiterer, C. Concolato, J. Lachner, J. Le Feuvre, J.-C. Moissinac, S. Lenzi, S. Chessa, E. Fernández Ferrá, J. J. González Menaya, H. Hellwagner, “User-centric Universal Multimedia Access in Home Networks”, The Visual Computer, International Journal of Computer Graphics, Special Issue “CGI’2008 Conference”, vol. 24, Number 7-9, pp. 837-845, July 2008.[PDF]
C. Timmerer, M. Ransburg, I. Kofler, H. Hellwagner, P. Souto, M. Andrade, P. Carvalho, H. Castro, M. Sidibé, A. Mehaoua, L. Fang, A. Lindsay, M. Mackay, A. Lugmayr, and B. Feiten, “An Integrated Management Supervisor for End-to-End Management of Heterogeneous Contents, Networks, and Terminals enabling Quality of Service”, Proceedings of the 2nd European Symposium on Mobile Media Delivery (EUMOB) 2008, Oulu, Finland, July 2008. [PDF]
M. Eberhard, L. Celetto, C. Timmerer, E. Quacchio, H. Hellwagner, and F. Rovati, “An Interoperable Streaming Framework for Scalable Video Coding based on MPEG-21”, Proceedings of the 5th IET Visual Information Engineering Conference Conference (VIE’08), Xi’an, China, July 2008. [PDF] [Ack: P2P-Next]
M. Eberhard, L. Celetto, C. Timmerer, E. Quacchio, H. Hellwagner, and F. Rovati, “An Interoperable Multimedia Delivery Framework for Scalable Video Coding based on MPEG-21 Digital Item Adaptation”, Proceedings of theIEEE International Conference on Multimedia and Expo 2008 (ICME’08), Hannover, Germany, June 2008. [PDF] [Ack: P2P-Next]
C. Timmerer, Generic Adaptation of Scalable Multimedia Resources, VDM Verlag, May 2008.
I. Kofler, M. Prangl, R. Kuschnig, and H. Hellwagner, "An H.264/SVC-based adaptation proxy on a WiFi router”, Proceedings of the 18th International Workshop on Network and Operating Systems Support for Digital Audio and Video (NOSSDAV 2008), Braunschweig, Germany, May 2008. [PDF]
M. Mackay, M. Ransburg, D. Hutchison, and H. Hellwagner, "Combined Adaptation and Caching of MPEG-4 SVC in Streaming Scenarios", Proc. of the 9th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2008), Klagenfurt, Austria, May 2008. [PDF]
M. Ransburg, H, Gressl, and H. Hellwagner, "Efficient Transformation of MPEG-21 Metadata for Codec-agnostic Adaptation in Real-time Streaming Scenarios", Proc. of the 9th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2008), Klagenfurt, Austria, May 2008. [PDF]
M. Eberhard, L. Celetto, C. Timmerer, E. Quacchio, and H. Hellwagner: "Performance Analysis of Scalable Video Adaptation: Generic versus Specific Approach", Proc. of the 9th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2008), Klagenfurt, Austria, May 2008. [PDF] [Ack: P2P-Next]
F. Lopez, D. Jannach, J. Martinez, C. Timmerer, H. Hellwagner, and N. Garcia: "Multimedia Adaptation Decisions Modelled as Non-Deterministic Operations", Proc. of the 9th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2008), Klagenfurt, Austria, May 2008. [PDF]
J. Lachner and H. Hellwagner: “Information and Communication Systems for Mobile Emergency Response”, In: R. Kaschek, C. Kop, C. Steinberger, G. Fliedl (Eds.), Information Systems and e-Business Technologies (Proc. 2nd International United Information Systems Conference, UNISCON 2008, Klagenfurt, Austria, April 2008 ), LNBIP 5, Springer 2008. [PDF]
C. Timmerer, V. H. Ortega, J. M. González, and A. León: "Measuring Quality of Experience for MPEG-21-based Cross-Layer Multimedia Content Adaptation", to appear in Proceedings of the 1st ACS/IEEE International Workshop on Wireless Internet Services (WISe'08), Doha, Qatar, April 1-4, 2008. [PDF]
M. Prangl, I. Kofler, and H. Hellwagner: "Towards QoS Improvements of TCP-based Media Delivery", Proceedings of the 4th International Conference on Networking and Services (ICNS'08), Gosier, Guadeloupe, March 16-21, 2008. [PDF]
M. Prangl, I. Kofler, and H. Hellwagner: "An MPEG-21-driven Utility-based Multimedia Adaptation Decision Taking Web Service", Proceedings of the 1st International Conference on Ambient Media and Systems (Ambi-sys'08), Quebec, Canada, February 11-14, 2008. [PDF]
H. Hellwagner: “Challenges toward Adaptive Behavior of Distributed Multimedia Systems”, In: G. E. Lasker and J. Pfalzgraf (Eds.), Advances in Multiagent Systems, Robotics and Cybernetics: Theory and Practice (Volume II). Published by: The International Institute for Advanced Studies in Systems Research and Cybernetics (Tecumseh, Canada), ISBN 978-1-897233-61-0, 2008. [PDF]
2007
J. Lachner, A. Lorenz, B. Reiterer, A. Zimmermann, and H. Hellwagner: “Challenges toward User-centric Multimedia”, Proc. 2nd International Workshop on Semantic Media Adaptation and Personalization (SMAP 2007), London, UK, Dec. 2007. [PDF]
I. Kofler, C. Timmerer, H. Hellwagner, and T. Ahmed: “Towards MPEG-21-based Cross-layer MultimediaContent Adaptation”, Proc. 2nd International Workshop on Semantic Media Adaptation and Personalization (SMAP 2007), London, UK, Dec. 2007. [PDF]
D. Van Deursen, S. De Bruyne, W. Van Lancker, W. De Neve, D. De Schrijver, H. Hellwagner, and R. Van de Walle: “MuMiVA: a Multimedia Delivery Platform using Format-agnostic, XML-driven Content Adaptation”, Proc. IEEE International Symposium on Multimedia 2007 (ISM2007), Taichung, Taiwan, R.O.C., Dec. 2007. [PDF]
L. Böszörmenyi, H. Hellwagner, and P. Schojer: “Metadata-driven Optimal Transcoding in a Multimedia Proxy”, Multimedia Systems, Springer Verlag, vol. 13, no. 1, pp. 51-68, Sept. 2007.
D. Jannach and K. Leopold: “Knowledge-based Multimedia Adaptation for Ubiquitous Multimedia Consumption”, Journal of Network and Computer Applications, Special issue on Intelligence-based adaptation for ubiquitous multimedia communications, vol. 30, issue 3, pp. 958-982, Aug. 2007.
M. Prangl, R. Bachlechner, and H. Hellwagner: “A Hybrid Recommender Strategy for Personalized Utility-based Cross-modal Multimedia Adaptation”, Proc. IEEE International Conference on Multimedia and Expo (ICME 2007), pp. 1707-1710, Beijing, China, Jul. 2007. [PDF]
M. Prangl, T. Szkaliczki, and H. Hellwagner: “A Framework for Utility-based Multimedia Adaptation”, IEEE Transactions on Circuits and Systems for Video Technology, vol. 17, no. 6, pp. 719-728, Jun. 2007. [PDF]
M. Prangl and H. Hellwagner: “A Framework for Personalized Utility-aware IP-based Multimedia Consumption”, IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WOWMOM), Jun. 2007. [PDF]
M. Ransburg, C. Timmerer, S. Devillers, and H. Hellwagner: “Design and Evaluation of a Metadata-Driven Adaptation Node”, Proc. 8th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2007), pp. 83-86, Santorini, Greece, Jun. 2007. [PDF]
M. Ransburg, C. Timmerer, H. Hellwagner, and S. Devillers: “Processing and Delivery of Multimedia Metadata for Multimedia Content Streaming”, Proc. Workshop on Multimedia Semantics - The Role of Metadata (WMSRM 2007), Aachen, Germany, Mar. 2007. [PDF]
M. Kropfberger, R. Tusch, M. Jakab, J. Köpke, M. Ofner, H. Hellwagner, and L. Böszörmenyi: “A Multimedia-based Guidance System for Various Consumer Devices”, Proc. Third International Conference on Web Information Systems and Technologies (WEBIST 2007), pp. 83-90, Barcelona, Spain, Mar. 2007.
H. Eidenberger, S. Boll, S. Christodoulakis, D. Divotkey, K. Leopold, A. Martin, A. Perego, A. Scherp, C. Tsinaraki: “Integrated Authoring, Annotation, Retrieval, Adaptation, Personalization, and Delivery for Multimedia”, Proc. First International DELOS Conference, pp. 87-103, Pisa, Italy, Feb. 2007, Springer LNCS Vol. 4877. [PDF]
M. Jakab, M. Kropfberger, R. Tusch, H. Hellwagner, and L. Böszörmenyi: “Metadata Integration and Media Transcoding in Universal Plug-and-Play (UPnP) Enabled Networks”, Proc. 15th Euromicro International Conference on Parallel, Distributed and Network-based Processing (PDP 2007), pp. 363-372, Naples, Italy, Feb. 2007.
I. Kofler, C. Timmerer, H. Hellwagner, A. Hutter, and F. Sanahuja: “Efficient MPEG-21-based Adaptation Decision-Taking for Scalable Multimedia Content”, Proc. 14th SPIE Annual Electronic Imaging Conference – Multimedia Computing and Networking (MMCN 2007), San Jose, CA, USA, Jan./Feb. 2007. [PDF]
2006
A. Vetro, C. Timmerer, and S. Devillers: “Digital Item Adaptation - Tools for Universal Multimedia Access”, in: I. Burnett, F. Pereira, R. Van de Walle, and R. Koenen (eds.), The MPEG-21 Book, John Wiley and Sons Ltd, pp. 243-281, 2006.
C. Timmerer, S. Devillers, and A. Vetro: “Digital Item Adaptation - Coding Format Independence”, in: I. Burnett, F. Pereira, R. Van de Walle, and R. Koenen (eds.), The MPEG-21 Book, John Wiley and Sons Ltd, pp. 282-331, 2006.
I. Kofler and H. Hellwagner: “MPEG-21-based Cross-Resource Adaptation Decision-Taking”, Proc. of the 2nd International Conference on Automated Production of Cross Media Content for Multi-channel Distribution (AXMEDIS2006), Leeds, UK, pp. 207-214, Nov. 2006. [PDF]
C. Poppe, M. Ransburg, S. De Zutter, and R. Van de Walle: “Interoperable Affective Context Collection using MPEG-21”, Proc. International Conference on Wireless, Mobile & Multimedia Networks (ICWMMN 2006), Hangzhou, China, Nov. 2006. [PDF]
M. Santner, R. Tusch, M. Kropfberger, L. Böszörmenyi, and H. Hellwagner: “Ein Ortserkennungssystem für mobile Touristenführer”, Proc. DACH Mobility 2006, pp. 84-98, Munich, Germany, Oct. 2006.
R. De Sutter, S. Lerouge, P. De Neve, C. Timmerer, H. Hellwagner, and R. Van de Walle: “Comparison of XML serializations: cost benefit vs. complexity”, Multimedia Systems, Springer Verlag, vol. 12, no. 2, pp. 101-115, Oct. 2006. [PDF]
M. Ransburg, R. Cazoulat, B. Pellan, C. Concolato, S. De Zutter, C. Poppe, A. Hutter, H. Hellwagner, and R. Van de Walle: “Dynamic and Distributed Adaptation of Scalable Multimedia Content in a Context-Aware Environment”, Proc. European Symposium on Mobile Media Delivery (EuMob 2006), Alghero, Italy, Sept. 2006. [PDF]
T. Szkaliczki and M. Prangl: “Quality and Utility Modelling for Universal Multimedia Access (UMA)”. Proc. HUBUSKA 4th Open Workshop on Semantic Web and Knowledge Technologies Applications, pp. 100-116, Varna, Bulgaria, Aug. 2006.
M. Prangl, H. Hellwagner, and T. Szkaliczki: “Fast adaptation decision taking for cross-modal multimedia content adaptation“, Proc. IEEE Int‘l. Conf. on Multimedia and Expo (ICME 2006),pp. 137-140, Toronto, Canada, Jul. 2006. [PDF]
M. Prangl, C. Timmerer, and H. Hellwagner: “Real-time DVB-based MPEG-21 Digital Item Adaptation for Live Universal Multimedia Access”, Proc. 48th International Symposium ELMAR 2005, focused on Multimedia Signal Processing and Communications, pp. 297-300, Zadar, Croatia, Jun. 2006. [PDF]
D. Jannach, K. Leopold, C. Timmerer, and H. Hellwagner: “A Knowledge-based Framework for Multimedia Adaptation”, Applied Intelligence, Special Issue: Innovations in Applied Artificial Intelligence (best papers from IEA/AIE 2004), Springer Verlag, vol. 24, no. 2, pp. 109-125, Apr. 2006. [PDF]
M. Prangl, H. Hellwagner, and T. Szkaliczki: “A Semantic-based Multi-modal Utility Approach For Multimedia Adaptation”, Proc. 7th International Workshop on Image Analysis for Multimedia Services (WIAMIS 2006), pp. 67-70, Incheon, Korea, Apr. 2006. [PDF]
C. Timmerer, T. DeMartini, and H. Hellwagner: “The MPEG-21 Multimedia Framework:Conversions and Permissions”, Proc. DACH Security 2006, pp. 225-235, Düsseldorf, Germany, Mar. 2006. [PDF]
M. Prangl, H. Hellwagner, H. Bischof, and T. Szkaliczki: “Realtime automatic metal extraction of medical X-ray images for contrast improvement”, Proc. SPIE Symposium on Medical Imaging 2006, vol. 6144, San Diego, California, USA, Mar. 2006.
T. Guenkova-Luy, A. Schorr, F. Hauck, M. Gómez, C. Timmerer, and Ingo Wolf: “Advanced Multimedia Management – Control Model and Content Adaptation”, Proc. IASTED International Conference on Internet and Multimedia Systems and Applications (EuroIMSA 2006), Innsbruck, Austria, Feb. 2006. [PDF]
P. Schojer, L. Böszörmenyi, and H. Hellwagner: “QBIX-G – A Transcoding Multimedia Proxy”, Proc. 13th SPIE/IS&T Annual Electronic Imaging Conference, Multimedia Computing and Networking, San Jose, CA, USA, Jan. 2006.
2005
H. Hellwagner: “Arbeitsspeicher- und Bussysteme”, in: P. Rechenberg and G. Pomberger (Hrsg.): Informatik-Handbuch. 4. Auflage, Hanser Verlag 2005.
A. Bode and H. Hellwagner: “Leistungsbewertung und Fehlertoleranz”, in: P. Rechenberg and G. Pomberger (Hrsg.): Informatik-Handbuch. 4. Auflage, Hanser Verlag 2005.
C. Timmerer, I. Kofler, J. Liegl, and H. Hellwagner: “An Evaluation of Existing Metadata Compression and Encoding Technologies for MPEG-21 Applications”, Proc. First IEEE International Workshop on Multimedia Information Processing and Retrieval (IEEE-MIPR 2005), pp. 534-539, Irvine, California, USA, Dec. 2005. [PDF]
H. Hellwagner and C. Timmerer: “MPEG Standards Enabling Universal Multimedia Access, Tutorial Description”, Proc. First International Conference on Automated Production of Cross Media Content for Multi-channel Distribution (AXMEDIS 2005), Florence, Italy, Nov./Dec. 2005. [PDF]
M. Kropfberger and H. Hellwagner: “Combining Stream Switching with Fine-grained Intra-stream Adaptation for Adaptive Video Streaming”,Proc. IEEE International Workshop on Multimedia Signal Processing (MMSP 2005), Shanghai, China, Oct./Nov. 2005.
C. Timmerer, T. Frank, and H. Hellwagner: “Efficient processing of MPEG-21 metadata in the binary domain”, Proc. SPIE International Symposium on Multimedia Systems and Applications VIII (ITCom 2005), Boston, Massachusetts, USA, Oct. 2005. [PDF]
A. Hutter, P. Amon, G. Panis, E. Delfosse, M. Ransburg, and H. Hellwagner: “Automatic Adaptation of Streaming Multimedia Content in a Dynamic and Distributed Environment”, Proc. International Conference on Image Processing (ICIP 2005), Genova, Italy, Sept. 2005. [PDF]
A. Vetro and C. Timmerer: “Digital Item Adaptation: Overview of Standardization and Research Activities”, IEEE Transactions on Multimedia, Special Issue on MPEG-21, vol. 7, no. 3, pp. 418-426, Jun. 2005. [PDF]
S. Devillers, C. Timmerer, J. Heuer, and H. Hellwagner: “Bitstream Syntax Description-Based Adaptation in Streaming and Constrained Environments”, IEEE Transactions on Multimedia, Special Issue on MPEG-21, vol. 7, no. 3, pp. 463-470, Jun. 2005. [PDF]
P. Schojer, L. Böszörmenyi, and H. Hellwagner: “An Adaptive Standard Meta-data Aware Proxy Cache”, Scalable Computing: Practice and Experience, Special Issue on Distributed and Parallel Systems, vol. 6, no. 2, pp. 93–104, Jun. 2005.
M. Ransburg, C. Timmerer, and H. Hellwagner: “Transport Mechanisms for Metadata-driven Distributed Multimedia Adaptation”, Proc. First International Conference on Multimedia Services Access Networks (MSAN 2005), Orlando, Florida, USA, Jun. 2005. [PDF]
C. Timmerer, P. Lederer, and H. Kosch, “Transforming MPEG-21 generic Bitstream Syntax Descriptions within the Binary Domain”, Proc. Fourth International Workshop on Content-Based Multimedia Indexing (CBMI 2005), Riga, Latvia, Jun. 2005. [PDF]
M. Prangl, C. Timmerer, K. Leopold, and H. Hellwagner: “DVB-based MPEG-21 Digital Items for Adaptive Multimedia Streaming”, Proc. 47th International Symposium ELMAR-2005, focused on Multimedia Systems and Applications, pp. 135-138, Zadar, Croatia, Jun. 2005. [PDF]
D. Jannach and K. Leopold: “A Multimedia Adaptation Framework based on Semantic Web Technology”. Workshop Notes III, 2nd European Semantic Web Conference 2005, pp. 61-68, Heraklion, Greece, May/Jun. 2005.
C. Timmerer, G. Panis, and E. Delfosse: “Piece-wise Multimedia Content Adaptation in Streaming and Constrained Environments”, Invited Paper, Proc. 6th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2005), Montreux, Switzerland, Apr. 2005. [PDF]
R. De Sutter, C. Timmerer, H. Hellwagner, and R. Van de Walle: “Multimedia Metadata Processing: A Format Independent Approach”, Proc. IASTED International Conference on Internet and Multimedia Systems and Applications (EuroIMSA 2005), Grindelwald, Switzerland, Feb. 2005. [PDF]
M. Ransburg and H. Hellwagner: “Generic Streaming of Multimedia Content”, Proc. IASTED International Conference on Internet and Multimedia Systems and Applications (EuroIMSA 2005), Grindelwald, Switzerland, Feb. 2005. [PDF]
C. Timmerer and H. Hellwagner: “Interoperable Adaptive Multimedia Communication”, IEEE Multimedia Magazine, vol. 12, no. 1, pp. 74-79, Jan.-Mar. 2005. [PDF]
2004
K. Leopold, D. Jannach, and H. Hellwagner: “A Knowledge and Component Based Multimedia Adaptation Framework”, Proc. IEEE Sixth International Symposium on Multimedia Software Engineering (MSE), Miami, Florida, USA, Dec. 2004.
D. Jannach, K. Leopold, C. Timmerer, and H. Hellwagner: “Toward Semantic Web Services for Multimedia Adaptation”, Proc. Fifth International Conference on Web Information Systems Engineering (WISE 2004), Lecturer Notes in Computer Science vol. 3306, pp.641-652, Brisbane, Australia, Nov. 2004. [PDF]
R. De Sutter, C. Timmerer, H. Hellwagner, and R. Van de Walle: “Evaluation of Models for Parsing Binary Encoded XML-based Metadata”, Proc. International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS2004), pp. 419-424, Seoul, Korea, Nov. 2004. [PDF]
K. Leopold, D. Jannach, and H. Hellwagner: “Knowledge-based Media Adaptation”, Proc. SPIE International Symposium ITCom 2004 on Internet Multimedia Management Systems IV, vol. 5601, Philadelphia, Pennsylvania, USA, Oct. 2004.
M. Kropfberger, K. Leopold, and H. Hellwagner: “Quality variations of different priority-based temporal video adaptation algorithms”, Proc. IEEE International Workshop on Multimedia and Signal Processing (MMSP), Siena, Italy, Sept./Oct. 2004.
C. Timmerer and H. Hellwagner: “Interoperable multimediale Kommunikation im Internet mittels MPEG-21 Digital Item Adaptation”, In: Mobile Computing und Medienkommunikation im Internet (MCMI’04), INFORMATIK 2004 – Informatik verbindet, pp. 301-305, Ulm, Germany, Sept. 2004. [PDF]
M. Kropfberger and H. Hellwagner: “Evaluation of RTP Immediate Feedback and Retransmission Extensions”, Proc. IEEE International Conference on Multimedia and Expo (ICME 2004), Taipei, Taiwan, June 2004.
D. Jannach, K. Leopold, and H. Hellwagner: “An Extensible Framework for Knowledge Based Multimedia Adaptation”,Proc. 17th International Conference on Industrial & Engineering Applications of Artificial Intelligence & Expert Systems, Ottawa, Canada, May 2004.