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Publikationen von Professorinnen und Professoren der HAW Hamburg

Alle : 1982, ... , 2008, 2009, 2010, ... , 2018
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Thomas Cirsovius
Der lange Weg von der qualifizierten Plausibilitätskontrolle zur materiellen Prüfung tierexperimenteller Forschungsvorhaben
Natur und Recht (NuR), 31(8):543-549
August 2009
ISSN: 0172-1631 (gedruckte Version)

Marker: WS-PuMA

Werner Brack, Sabine E. Apitz, Dietrich Borchardt, Jos Brils, Ana Cristina Cardoso, Edwin M. Foekema, Jos van Gils, Stefan Jansen, Bob Harris, Michaela Hein, Susanne Heise, Seppo Hellsten, P. Gert-Jan de Maagd, Dietmar Müller, Vadim E. Panov, Leo Posthuma, Philippe Quevauviller, Piet F.M. Verdonscho und Peter C. von der Ohe
Toward a holistic and risk-based management of european river basins
Integrated Environmental Assessment and Management, 5(1):5-10

Marker: LS

Hans L. Cycon, Thomas C. Schmidt, Gabriel Hege, Matthias Wählisch und Mark Palkow
Let's Meet at the Mobile -- Learning Dialogs with a Video Conferencing Software for Mobile Devices
International Journal of Interactive Mobile Technologies (iJIM), 3(3):21--25

Marker: TI-I

Zusammenfassung: Mobile phones and related gadgets in networks are omnipresent at our students, advertising itself as the platform for mobile, pervasive learning. Currently, these devices rapidly open and enhance, being soon able to serve as a major platform for rich, open multimedia applications and communication. In this report we introduce a video conferencing software, which seamlessly integrates mobile with stationary users into fully distributed multi-party conversations. Following the paradigm of flexible, user-initiated group communication, we present an integrated solution, which scales well for medium-size conferences and accounts for the heterogeneous nature of mobile and stationary participants. This approach allows for a spontaneous, location independent establishment of video dialogs, which is of particular importance in interactive learning scenarios. The work is based on a highly optimized realization of a H.264 codec.

Konferenz, Symposium, Vortragsreihe, Einzelausstellung, Modenschau, Künstl. Leitung (als Ausrichter):

Hans L. Cycon, Gabriel Hege, Detlev Marpe, Mark Palkow, Thomas C. Schmidt und Matthias Wählisch
{Connecting the Worlds: Multipoint Videoconferencing Integrating H.323 and IPv4, SIP and IPv6} with Autonomous Sender Authentication
ISCE2009 --- 13th International Symposium on Consumer Electronics , Seite 890--893.
Verlag: IEEE Press, Piscataway, NJ, USA

Marker: TI-I

Zusammenfassung: In this paper we present a multipoint media conference software with extended network capabilities. Its core components combine an advanced, highly efficient H.264/AVC video coding system. Session signaling follows the SIP standard and simultaneously supports IPv4 and IPv6. Built upon an underlying peer-to-peer communication scheme, it further supports advanced integration with legacy MCUs and thereby enables hybrid sessions that extend into the H.323 world. We demonstrate how our software can span fully functional conferences across these worlds by deploying a passive gateway peer. Finally, we address security issues arising in distributed conferencing systems. It is shown, how the use of cryptographically generated identifiers enables the application to authenticate data on a packet level, thereby preventing abuse and impersonation of the conference overlay network.

Gabriel Hege, Thomas C. Schmidt, Matthias Wählisch, Hans L. Cycon und Mark Palkow
``Als die Filme laufen lernten" --- Session Mobility for Videoconferencing on Mobiles
Andrew Cormack und others (Hrsg.) Proceedings of the TERENA Networking Conference (TNC 2009)
Verlag: TERENA, Amsterdam,

Marker: TI-I

Zusammenfassung: In recent years, video conferencing solutions have started to become available as an end-to-end service on personal devices, and are now on the spot to enter the class of mobile smartphones. In this paper we report on advanced mobility services of our video conferencing software. Based on emerging standards in SIP signaling and scalable H.264 video compression, the solution supports for a seamless integration of mobile smartphones into group conferences, and in particular extends group conference management to comply with session mobility. While remaining on a conference call, a user is thus enabled to shift his presence from a stationary end system to a mobile, and continue the conversation while leaving the office.

Konferenz-/Workshop-/Podiumsdiskussionsbeiträge, Ausstellungs-/Modenschaubeteiligungen:

O Elsholz, B R Surede, J M Estela und V Cerda
Analyse von Regenwasser mit Ionen-chromatographie und Fließinjektionsanalyse.
Oral presentation at 5. Conference on Ion-Analysis CIA 2009 in Berlin

Marker: LS-U

O Elsholz, B R Sureda, S Flashaar, T C Rodrigues, M Tubino, J Estela und V Cerda
Different approaches for the determination of ammonia in rain water by flow analysis.
Poster at Flow Analysis XI, Palma de Mallorca, Spanien

Marker: LS-U

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Letzte Änderung: 23.01.15

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