TalkMiner: a search engine for online lecture video

TalkMiner is a search engine for lecture webcasts. Lecture videos are processed to recover a set of distinct slide images and OCR is used to generate a list of indexable terms from the slides. On our prototype system, users can search and browse lists of lectures, slides in a specific lecture, and play the lecture video. Over 10,000 lecture videos have been indexed from a variety of sources. A public website now allows users to experiment with the search engine. Categories and Subject Descriptors H.5.1 [Information Interfaces and Presentation]: Multimedia Information Systems General Terms Algorithms, Experimentation 1 Overview Lecture webcasts are readily available on the Internet. These webcasts include class lectures (e.g., Berkeley Webcast, MIT Open Courseware, etc.), research seminars (e.g., Google Tech Talks, PARC Forums, etc.), product demonstrations, or training materials. Conventional web search engines can be used to locate these lecture videos, but only when supporting text ...

• Type: Conference
• Year: 2010
• Where: MM
• Authors: John Adcock, Matthew Cooper, Laurent Denoue, Hamed Pirsiavash, Lawrence A. Rowe
• Keywords: Lecture, Lecture Videos, MM 2010, Multimedia, Search Engine