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ERIC Number: ED537939
Record Type: Non-Journal
Publication Date: 2011
Pages: 128
Abstractor: As Provided
Reference Count: 0
ISBN: ISBN-978-1-2671-5304-3
Video Event Detection Framework on Large-Scale Video Data
Park, Dong-Jun
ProQuest LLC, Ph.D. Dissertation, The University of Iowa
Detection of events and actions in video entails substantial processing of very large, even open-ended, video streams. Video data present a unique challenge for the information retrieval community because properly representing video events is challenging. We propose a novel approach to analyze temporal aspects of video data. We consider video data as a sequence of images that forms a 3-dimensional spatiotemporal structure, and perform multiview orthographic projection to transform the video data into 2-dimensional representations. The projected views allow a unique way to represent video events and capture the temporal aspect of video data. We extract local salient points from 2D projection views and perform detection-via-similarity approach on a wide range of events against real-world surveillance data. We demonstrate that our example-based detection framework is competitive and robust. We also investigate synthetic example driven retrieval as a basis for query-by-example. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page:]
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Publication Type: Dissertations/Theses - Doctoral Dissertations
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A