Attack vs. failure detection in event-driven wireless visual sensor networks
Proceedings of the 9th workshop on Multimedia & security
Mobile video surveillance with low-bandwidth low-latency video streaming
Proceedings of the international workshop on Workshop on mobile video
Directional geographical routing for real-time video communications in wireless sensor networks
Computer Communications
Mobile Networks and Applications
Traffic and quality characterization of the H.264/AVC scalable video coding extension
Advances in Multimedia
Wireless image sensor networks: event acquisition in attack-prone and uncertain environments
Multidimensional Systems and Signal Processing
Game theoretic power allocation in sparsely distributed clusters of wireless sensors (GPAS)
Proceedings of the 2009 International Conference on Wireless Communications and Mobile Computing: Connecting the World Wirelessly
Distributed algorithms for network lifetime maximization in wireless visual sensor networks
IEEE Transactions on Circuits and Systems for Video Technology
Power-rate-distortion model for low-complexity video coding
PCS'09 Proceedings of the 27th conference on Picture Coding Symposium
Optimal resource allocation for video communication over distributed systems
ICME'09 Proceedings of the 2009 IEEE international conference on Multimedia and Expo
Joint coding/routing optimization for correlated sources in wireless visual sensor networks
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
On Prolonging the Lifetime for Wireless Video Sensor Networks
Mobile Networks and Applications
A framework for cross-layer optimization of video streaming in wireless networks
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP)
Adaptive sensing and optimal power allocation for wireless video sensors with sigma-delta imager
IEEE Transactions on Image Processing - Special section on distributed camera networks: sensing, processing, communication, and implementation
Computer Networks: The International Journal of Computer and Telecommunications Networking
Low-complexity video coding via power-rate-distortion optimization
Journal of Visual Communication and Image Representation
A survey of visual sensor network platforms
Multimedia Tools and Applications
Aggregate power consumption modeling of live video streaming systems
Proceedings of the 4th ACM Multimedia Systems Conference
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Wireless video sensor networks (WVSNs) have been envisioned for a wide range of important applications, including battlefield intelligence, security monitoring, emergency response, and environmental tracking. Compared to traditional communication system, the WVSN operates under a set of unique resource constraints, including limitations with respect to energy supply, on-board computational capability, and transmission bandwidth. The objective of this paper is to study the resource utilization behavior of a wireless video sensor and analyze its performance under the resource constraints. More specifically, we develop an analytic power-rate-distortion (P-R-D) model to characterize the inherent relationship between the power consumption of a video encoder and its rate-distortion performance. Based on the P-R-D analysis and a simplified model for wireless transmission power, we study the optimum power allocation between video encoding and wireless transmission and introduce a measure called achievable minimum distortion to quantify the distortion under a total power constraint. We consider two scenarios in wireless video sensing, small-delay wireless video monitoring and large-delay wireless video surveillance, and analyze the performance limit of the wireless video sensor in each scenario. The analysis and results obtained in this paper provide an important guideline for practical wireless video sensor design.