Document (#26953)

Title
Im Dickicht der Fernseharchive : Ein neues Archivsystem unterstützt TV-Redakteure bei der zeitsparenden Zusammenstellung ihrer Beiträge
Source
CD-Info. 2003, H.12, S.98
Year
2003
Abstract
Der Bestand eines Fernseharchivs gleicht auf dem ersten Blick einem Irrgarten. Täglich werden große Mengen an audiovisuellen Informationen über den Äther geschickt und gleichzeitig für eine eventuelle Wiederverwendung digital gespeichert. Die Herausforderung für jeden Archivar besteht darin, aus Millionen von Sendeminuten auf Anfrage möglichst schnell das passende Material zusammenzustellen. Mit diesem Problem befasste sich das EU-Projekt Primavera (Personalized Retrieval und Indexing of Media Assets in Virtual Environments for Real-Time Access). Die darin entwickelte Software testet der Österreichische Rundfunk in Wien seit einem Jahr. Sie wurde vom Fraunhofer-Institut für Integrierte Publikations- und Informationssysteme (IPSI) in Darmstadt, der tecmath AG in Kaiserslautern und dem Instituto Trentino Di Cultura (ITC) in Trient gemeinsam entworfen. Neuer Suchansatz Suchte ein Redakteur bisher in archivierten Sendungen, bestellte er schließlich mehrere, vermutlich passende Mitschnitte. Viele davon erweisen sich jedoch schnell als nutzlos. Nun kann man bereits am Bildschirm anhand von Schlüsselbildern - den Keyframes genannten Standbildern markanter Szenen - eine Vorauswahl treffen. Einzelne Zugriffe auf das System erfolgen über einen Web-Browser, wobei Suchergebnisse grafisch aufberei tet werden. Damit eine Suche erfolgreich ist, müssen die Archivbestände exakt klassifiziert sein. Mit einem Werkzeug namens Piclasso beschleunigt das Programm die Verschlagwortung von bereits vorhandenen Filmen, indem es deren Klassifizierung sozusagen lernt und auf neu hinzukommendes Material automatisch anwendet. Der Archivar hat dabei aber jederzeit die Wahl, ob er einen Vorschlag übernimmt oder nicht. Zudem kann der Nutzer nicht nurtext-, sondern auch bildbezogen suchen.
Footnote
Vgl. unter: http://www.primavera-ist.de
Theme
Objektdokumentation
Form
Filme
Videos
Area
Medienarchive (Rundfunk/Fernsehen)

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