What's Ahead for Embedded Software?
Computer
PDA Watch for Mobile Surveillance Services
KMN '02 Proceedings of the IEEE Workshop on Knowledge Media Networking
Technology of Video and Audio Streaming
Technology of Video and Audio Streaming
A scalable cost-effective video broadcasting system for on-demand video services
Multimedia Tools and Applications
PASU: A personal area situation understanding system using wireless camera sensor networks
Personal and Ubiquitous Computing
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Mobile surveillance service is regarded as one of the Internet applications to which much attention is recently given. However, the time and cost problem resulting from using heterogeneous platforms and proprietary protocols must be a burden to developing such systems and expanding their services. In this paper, we present a framework of mobile surveillance service for smartphone users. It includes the design and implementation of a video server and a mobile client called smartphone watch. A component-based architecture is employed for the server and client for easy extension and adaptation. We also employ the well-known standard web protocol HTTP to provide higher compatibility and portability than using a proprietary one. Three different video transmission modes are provided for efficient usage of limited bandwidth resource. We demonstrate our approach via real experiments on a commercial smartphone.