Synchronization of lecture videos and electronic slides by video text analysis | Zendy

Feng Wang | Zendy; ChongWah Ngo | Zendy; Ting-Chuen Pong | Zendy

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Synchronization of lecture videos and electronic slides by video text analysis

Author(s) -

Feng Wang,

ChongWah Ngo,

Ting-Chuen Pong

Publication year - 2003

Publication title -

singapore management university institutional knowledge (ink) (singapore management university)

Language(s) - English

Resource type - Conference proceedings

ISBN - 1-58113-722-2

DOI - 10.1145/957013.957080

Subject(s) - clips , computer science , matching (statistics) , synchronization (alternating current) , video tracking , structuring , artificial intelligence , multimedia , computer vision , similarity (geometry) , presentation (obstetrics) , information retrieval , video processing , image (mathematics) , computer network , channel (broadcasting) , statistics , mathematics , medicine , finance , economics , radiology

An essential goal of structuring lecture videos captured in live presentation is to provide a synchronized view of video clips and electronic slides. This paper presents an automatic approach to match video clips and slides based on the analysis of text embedded in lecture videos. We describe a method to reconstruct high-resolution video texts from multiple keyframes for robust OCR recognition. A two-stage matching algorithm based on the title and content similarity measures between video clips and slides is also proposed.

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