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Video content annotation automation using machine learning techniques
KTH, School of Computer Science and Communication (CSC).
2014 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Automatisk annotering av videomaterial med hjalp av maskininlarningstekniker (Swedish)
Abstract [en]

Annotations describing semantic content within video material is essential for ecient search of such content, e.g. allowing for search engine queries to return only relevant segments of video clips within large content management systems. However, manual annotation of video material is a dull and time-consuming task, eectively lowering thequality and quantity of such annotations. In this rapport a system to automate most of the process is suggested. The system learns from video material with user-provided annotationsto infer annotations for new material automatically, without requiring any system changes between dierent user-created labeling schemes. The prototype of such a system presentedin this rapport, evaluated on a few concepts, is showing promising results for concepts with high inuence on the scene environments.

Abstract [sv]

Annotering av semantiskt innehall av videomaterial ar kritiskt for eektiv sokning inomsadant material, vilket i sin tur mojliggor t.ex. att forfragningar till sokmotorer kanreturerna endast relevanta segment av videoklipp inom stora videohanteringssystem.Manuell annotering ar dock en trakig och tidsodande uppgift, vilket medfor lag kvalite ochliten mangd av sadana annoteringar. I denna uppsats foreslas ett system for attautomatisera det mesta av den processen. Systemet lar sig fran manuellt annoteratvideomaterial att inferera annoteringar for nytt material automatiskt, utan att kravaandringar pa systemet mellan olika anvandarskapta koncept att annotera. Prototypen somar presenterad i denna uppsats och utvarderad pa ett antal koncept visar lovande resultatfor koncept som har hogt inytande pa scenmiljoerna.

Place, publisher, year, edition, pages
National Category
Computer and Information Science Computer Science
URN: urn:nbn:se:kth:diva-155751OAI: diva2:762678
Educational program
Master of Science - Computer Science
Available from: 2014-11-20 Created: 2014-11-12 Last updated: 2014-11-20Bibliographically approved

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