Invariant Feature Extraction and Biased Statistical Inference for Video Surveillance

Authors:
Yi Wu;Long Jiao;Gang Wu;Edward Chang;Yuan-Fang Wang
Affiliations:
-;-;-;-;-
Venue:
AVSS '03 Proceedings of the IEEE Conference on Advanced Video and Signal Based Surveillance
Year:
2003

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Abstract

Using cameras for detecting hazardous or suspicious events has spurred new research for security concerns. To make such detection reliable, researchers must overcome difficulties such as variations in camera capabilities, environmental factors, imbalances of positive and negative training data, and asymmetric costs of misclassifying events of different classes. Following up on the event-detection framework that we propose in [12], we present in this paper the framework's two major components: invariant feature extraction and biased statistical inference. We report results of our experiments using the framework for detecting suspicious motion events in a parking lot.