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Proceedings Paper

CameraCast: flexible access to remote video sensors
Author(s): Jiantao Kong; Ivan Ganev; Karsten Schwan; Patrick Widener
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Paper Abstract

New applications like remote surveillance and online environmental or traffic monitoring are making it increasingly important to provide flexible and protected access to remote video sensor devices. Current systems use application-level codes like web-based solutions to provide such access. This requires adherence to user-level APIs provided by such services, access to remote video information through given application-specific service and server topologies, and that the data being captured and distributed is manipulated by third party service codes. CameraCast is a simple, easily used system-level solution to remote video access. It provides a logical device API so that an application can identically operate on local vs. remote video sensor devices, using its own service and server topologies. In addition, the application can take advantage of API enhancements to protect remote video information, using a capability-based model for differential data protection that offers fine grain control over the information made available to specific codes or machines, thereby limiting their ability to violate privacy or security constraints. Experimental evaluations of CameraCast show that the performance of accessing remote video information approximates that of accesses to local devices, given sufficient networking resources. High performance is also attained when protection restrictions are enforced, due to an efficient kernel-level realization of differential data protection.

Paper Details

Date Published: 29 January 2007
PDF: 12 pages
Proc. SPIE 6504, Multimedia Computing and Networking 2007, 65040P (29 January 2007); doi: 10.1117/12.703490
Show Author Affiliations
Jiantao Kong, Georgia Institute of Technology (United States)
Ivan Ganev, Georgia Institute of Technology (United States)
Karsten Schwan, Georgia Institute of Technology (United States)
Patrick Widener, Univ. of New Mexico (United States)


Published in SPIE Proceedings Vol. 6504:
Multimedia Computing and Networking 2007
Roger Zimmermann; Carsten Griwodz, Editor(s)

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