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Content-based Digital Video Processing. Digital Videos Segmentation, Retrieval and Interpretation.

By Juan Chen

Abstract

Recent research approaches in semantics based video content analysis require shot boundary detection as the first step to divide video sequences into sections. Furthermore, with the advances in networking and computing capability, efficient retrieval of multimedia data has become an important issue. Content-based retrieval technologies have been widely implemented to protect intellectual property rights (IPR). In addition, automatic recognition of highlights from videos is a fundamental and challenging problem for content-based indexing and retrieval applications.\ud In this thesis, a paradigm is proposed to segment, retrieve and interpret digital videos. Five algorithms are presented to solve the video segmentation task. Firstly, a simple shot cut detection algorithm is designed for real-time implementation. Secondly, a systematic method is proposed for shot detection using content-based rules and FSM (finite state machine). Thirdly, the shot detection is implemented using local and global indicators. Fourthly, a context awareness approach is proposed to detect shot boundaries. Fifthly, a fuzzy logic method is implemented for shot detection. Furthermore, a novel analysis approach is presented for the detection of video copies. It is robust to complicated distortions and capable of locating the copy of segments inside original videos. Then,\ud iv\ud objects and events are extracted from MPEG Sequences for Video Highlights Indexing and Retrieval. Finally, a human fighting detection algorithm is proposed for movie annotation

Topics: Shot boundary detection, Video copy detection, Video annotation, Intellectual property rights (IPR), Content-based indexing, Retrieval, Dgital video processing, Video highlights indexing
Publisher: Department of Computing
Year: 2009
OAI identifier: oai:bradscholars.brad.ac.uk:10454/4256
Provided by: Bradford Scholars

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