Developing an integrated video analysis system

Ankush Mittal; Loong-Fah Cheong

doi:10.1117/12.411852

29 December 2000 Developing an integrated video analysis system

Ankush Mittal, Loong-Fah Cheong

Proceedings Volume 4310, Visual Communications and Image Processing 2001; (2000) https://doi.org/10.1117/12.411852
Event: Photonics West 2001 - Electronic Imaging, 2001, San Jose, CA, United States

Abstract

Matching the similarity between two units of data occurs as a frequent task in video or image analysis. The parameters of matching techniques are level of abstraction of features, distance measures and normalization of features, if supported, or else the method of relatively weighing the features. Most multimedia analysis systems employ only low level features with distance measures similar to Euclidean distance, with no method to automatically generate the weights of the features and thus are ineffective in replenishing suitable matches to the user's demands. We argue for shifting the burden of mapping the feature space with relevant categories from the user to the multimedia analysis system. In this paper, a Bayesian Framework is presented where the evaluation of the parameters of classification and especially the relevancy of each feature with respect to each class is performed automatically. The probabilistic framework is extended to work well for generalized multi-modal distribution of a particular class over the feature space. Theoretical foundation is developed to provide simultaneously existing multiple views to an image or a video sequence. The low-level features can be synthesized with intelligent association to furnish high-level features, which could be more meaningful to the user. The significance of this work is presented by comparing with a system which employs an unsophisticated approach similar to common systems where feature vector of query image and feature vector of template image are compared by means of weighted Euclidean distance. The superiority of our approach is presented over the database consisting of 300 video sequences comprising of diverse video classes.

Citation Download Citation

Ankush Mittal and Loong-Fah Cheong "Developing an integrated video analysis system", Proc. SPIE 4310, Visual Communications and Image Processing 2001, (29 December 2000); https://doi.org/10.1117/12.411852

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KEYWORDS

Video

Distance measurement

Feature extraction

Databases

Multimedia

System integration

Image retrieval

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