29 January 2007 CameraCast: flexible access to remote video sensors
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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.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jiantao Kong, Jiantao Kong, Ivan Ganev, Ivan Ganev, Karsten Schwan, Karsten Schwan, Patrick Widener, Patrick Widener, "CameraCast: flexible access to remote video sensors", Proc. SPIE 6504, Multimedia Computing and Networking 2007, 65040P (29 January 2007); doi: 10.1117/12.703490; https://doi.org/10.1117/12.703490
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