Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"Video indexing"”.
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Video indexing and summarization using motion activity
In this dissertation, video-indexing techniques using low-level motion activity characteristics and their application to video summarization are presented. The MPEG-7 motion activity feature is defined as the subjective level of activity or motion in a video segment. First, a novel psychophysical …
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Video Indexing and Retrieval Techniques Using Novel Approaches to Video Segmentation, Characterization, and Similarity Matching
… have been developed in the context of image indexing and retrieval; meanwhile video retrieval systems start to gain wide attention, This work proposes a number of techniques constituting a fully content-based system for retrieving video data. These techniques are primarily targeting the …
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VICTORIOUS : video indexing with combined tracking and object recognition for improved object understanding in scenes
Automatic understanding of video content is a problem which grows in importance every day. Video understanding algorithms require accuracy, robustness, speed, and scalability. Accuracy generates user confidence in usage. Robustness enables greater autonomy and reduced human intervention. …
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Adaptive video segmentation
The efficiency of a video indexing technique depends on the efficiency of the video segmentation algorithm which is a fundamental step in video indexing. Video segmentation is a process of splitting up a video sequence into its constituent scenes. This work focuses on the problem of video …
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A Probablistic Framework for Mapping Audio -Visual Features to High-Level Semantics in Terms of Concepts and Context
… applied easily to applications such as semantic video indexing and filtering, human-computer intelligent interaction, surveillance, and Internet multimedia management.
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Visual Face Tracking and Its Applications
… algorithms for tracking human faces in videos for two scenarios: (1) human computer interaction HC), and (2) meeting room video analysis (MRVA). In the HCI scenario, the face usually appears close to the camera in high resolution. We explore Active Shape Model (ASM) techniques for …
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Characterizing Audio Events for Video Soundtrack Analysis
There is an entire emerging ecosystem of amateur video recordings on the internet today, in addition to the abundance of more professionally produced content. The ability to automatically scan and evaluate the content of these recordings would be very useful for search and indexing, especially as …