NDLI: Understanding Images of Graphical User Interfaces: A New Approach to Activity Recognition for Visual Surveillance

Content Provider	IEEE Xplore Digital Library
Author	Li Yu Boult, T.E.
Copyright Year	2004
Description	Author affiliation: Lehigh University, Bethlehem, PA (Li Yu)
Abstract	A fundamental problem in surveillance systems is the specification of "activities of interest". While various activity recognition systems have been developed, they have used complex hand-coded representations. What is of interest to a particular surveillance system user can vary greatly, and the security forces using the system are not, in general, advanced computer users. This paper presents a novel paradigm for specifying and recognizing activities in a surveillance system by visualizing tracking results, and using computer vision techniques to interpret the images presented by their Graphical User Interfaces. Representation of activities of interest can be easily drawn by users. Not only is the drawing-based specification of activities of interest easier than previous approaches, but when a "rule" fires, it is easy to explain "why", by showing the operator the associated drawings. This approach also permits a new type of system integration, where we integrate the "display" of sensors rather than trying to develop a complex communication protocol. A user study is reviewed showing the proposed approach is thousands of time faster than HMMs for event definition while it is simultaneously more accurate in event recognition.
Starting Page	113
Ending Page	113
File Size	184601
Page Count	1
File Format	PDF
DOI	10.1109/CVPR.2004.470
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-06-27
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Visualization Computer vision Image recognition Protocols Surveillance Fires Displays Sensor systems Computer security Graphical user interfaces
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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