System architecture directions for networked sensors
ASPLOS IX Proceedings of the ninth international conference on Architectural support for programming languages and operating systems
Energy-efficient surveillance system using wireless sensor networks
Proceedings of the 2nd international conference on Mobile systems, applications, and services
Sensor network-based countersniper system
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
The flooding time synchronization protocol
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
An analysis of a large scale habitat monitoring application
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
Hardware design experiences in ZebraNet
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
Walking GPS: A Practical Solution for Localization in Manually Deployed Wireless Sensor Networks
LCN '04 Proceedings of the 29th Annual IEEE International Conference on Local Computer Networks
TAG: a Tiny AGgregation service for Ad-Hoc sensor networks
OSDI '02 Proceedings of the 5th symposium on Operating systems design and implementationCopyright restrictions prevent ACM from being able to make the PDFs for this conference available for downloading
Energy-conserving data placement and asynchronous multicast in wireless sensor networks
Proceedings of the 1st international conference on Mobile systems, applications and services
Design of a wireless sensor network platform for detecting rare, random, and ephemeral events
IPSN '05 Proceedings of the 4th international symposium on Information processing in sensor networks
Energy-quality tradeoffs for target tracking in wireless sensor networks
IPSN'03 Proceedings of the 2nd international conference on Information processing in sensor networks
Acoustic target tracking using tiny wireless sensor devices
IPSN'03 Proceedings of the 2nd international conference on Information processing in sensor networks
Design and comparison of lightweight group management strategies in envirosuite
DCOSS'05 Proceedings of the First IEEE international conference on Distributed Computing in Sensor Systems
Sdlib: a sensor network data and communications library for rapid and robust application development
Proceedings of the 5th international conference on Information processing in sensor networks
Towards radar-enabled sensor networks
Proceedings of the 5th international conference on Information processing in sensor networks
EnviroSuite: An environmentally immersive programming framework for sensor networks
ACM Transactions on Embedded Computing Systems (TECS)
Declarative failure recovery for sensor networks
Proceedings of the 6th international conference on Aspect-oriented software development
Senslide: a distributed landslide prediction system
ACM SIGOPS Operating Systems Review - Systems work at Microsoft Research
Data Dissemination with Ring-Based Index for Wireless Sensor Networks
IEEE Transactions on Mobile Computing
Information fusion for wireless sensor networks: Methods, models, and classifications
ACM Computing Surveys (CSUR)
Vehicle classification in Sensor Networks using time-domain signal processing and Neural Networks
Microprocessors & Microsystems
An efficient key distribution scheme for heterogeneous sensor networks
IWCMC '07 Proceedings of the 2007 international conference on Wireless communications and mobile computing
Robust location distinction using temporal link signatures
Proceedings of the 13th annual ACM international conference on Mobile computing and networking
Tracking mobile nodes using RF Doppler shifts
Proceedings of the 5th international conference on Embedded networked sensor systems
Exploring in-situ sensing irregularity in wireless sensor networks
Proceedings of the 5th international conference on Embedded networked sensor systems
Wireless sensor network survey
Computer Networks: The International Journal of Computer and Telecommunications Networking
Robust and efficient aggregate query processing in wireless sensor networks
Mobile Networks and Applications
Design of a fence surveillance system based on wireless sensor networks
Autonomics '08 Proceedings of the 2nd International Conference on Autonomic Computing and Communication Systems
SCOPES: Smart Cameras Object Position Estimation System
EWSN '09 Proceedings of the 6th European Conference on Wireless Sensor Networks
Target localization in camera wireless networks
Pervasive and Mobile Computing
Design, implementation, and evaluation of EnviroMic: A storage-centric audio sensor network
ACM Transactions on Sensor Networks (TOSN)
International Journal of Information and Communication Technology
A key pre-distribution scheme for heterogeneous sensor networks
Proceedings of the 2009 International Conference on Wireless Communications and Mobile Computing: Connecting the World Wirelessly
Congestion control protocol for wireless sensor networks handling prioritized heterogeneous traffic
Proceedings of the 5th Annual International Conference on Mobile and Ubiquitous Systems: Computing, Networking, and Services
IPSN '09 Proceedings of the 2009 International Conference on Information Processing in Sensor Networks
Data fusion improves the coverage of wireless sensor networks
Proceedings of the 15th annual international conference on Mobile computing and networking
Significance-Based Failure and Interference Detection in Data Streams
DEXA '09 Proceedings of the 20th International Conference on Database and Expert Systems Applications
SenSearch: GPS and Witness Assisted Tracking for Delay Tolerant Sensor Networks
ADHOC-NOW '09 Proceedings of the 8th International Conference on Ad-Hoc, Mobile and Wireless Networks
A wireless pedestrian tracking network
Proceedings of the 7th ACM Conference on Embedded Networked Sensor Systems
Monitoring user activities in smart home environments
Information Systems Frontiers
Pervasive and Mobile Computing
Energy efficient sensor node implementations
Proceedings of the 18th annual ACM/SIGDA international symposium on Field programmable gate arrays
Reliable event detectors for constrained resources wireless sensor node hardware
EURASIP Journal on Embedded Systems
Intelligent monitoring using wireless sensor networks
EUC'07 Proceedings of the 2007 conference on Emerging direction in embedded and ubiquitous computing
A system for distributed event detection in wireless sensor networks
Proceedings of the 9th ACM/IEEE International Conference on Information Processing in Sensor Networks
Tandem: a context-aware method for spontaneous clustering of dynamic wireless sensor nodes
IOT'08 Proceedings of the 1st international conference on The internet of things
Agility of wireless sensor networks for earthquake monitoring of bridges
INSS'09 Proceedings of the 6th international conference on Networked sensing systems
Sensor network based vehicle classification and license plate identification system
INSS'09 Proceedings of the 6th international conference on Networked sensing systems
RF doppler shift-based mobile sensor tracking and navigation
ACM Transactions on Sensor Networks (TOSN)
Analysis of IEEE 802.15.4 sensor networks for event detection
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Hierarchical distributed data classification in wireless sensor networks
Computer Communications
A QoS-aware data aggregation in wireless sensor networks
ICACT'10 Proceedings of the 12th international conference on Advanced communication technology
IKNOS: inference and knowledge in networks of sensors
International Journal of Sensor Networks
Multi-modal calibration of surveillance sensor networks
MILCOM'06 Proceedings of the 2006 IEEE conference on Military communications
An overview of data aggregation architecture for real-time tracking with sensor networks
IPDPS'06 Proceedings of the 20th international conference on Parallel and distributed processing
Identifier based graph neuron: a light weight event classification scheme for WSN
ICONIP'10 Proceedings of the 17th international conference on Neural information processing: models and applications - Volume Part II
Ubiquitous knowledge discovery
Ubiquitous knowledge discovery
International Journal of Sensor Networks
Sequential classifier combination for pattern recognition in wireless sensor networks
MCS'11 Proceedings of the 10th international conference on Multiple classifier systems
Proceedings of the 9th ACM Conference on Embedded Networked Sensor Systems
An efficient MAP classifier for sensornets
HiPC'06 Proceedings of the 13th international conference on High Performance Computing
Using data aggregation to prevent traffic analysis in wireless sensor networks
DCOSS'06 Proceedings of the Second IEEE international conference on Distributed Computing in Sensor Systems
Exploiting data fusion to improve the coverage of wireless sensor networks
IEEE/ACM Transactions on Networking (TON)
SEPSen: semantic event processing at the sensor nodes for energy efficient wireless sensor networks
Proceedings of the 6th ACM International Conference on Distributed Event-Based Systems
ACM Transactions on Embedded Computing Systems (TECS)
Priority based expansion of neighborhood size for heterogeneous traffic routing in WSN
Proceedings of the 9th ACM symposium on Performance evaluation of wireless ad hoc, sensor, and ubiquitous networks
System-level calibration for data fusion in wireless sensor networks
ACM Transactions on Sensor Networks (TOSN)
Hardware architectural support for control systems and sensor processing
ACM Transactions on Embedded Computing Systems (TECS) - Special issue on application-specific processors
Real-time classification via sparse representation in acoustic sensor networks
Proceedings of the 11th ACM Conference on Embedded Networked Sensor Systems
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A wide variety of sensors have been incorporated into a spectrum of wireless sensor network (WSN) platforms, providing flexible sensing capability over a large number of low-power and inexpensive nodes. Traditional signal processing algorithms, however, often prove too complex for energy-and-cost-effective WSN nodes. This study explores how to design efficient sensing and classification algorithms that achieve reliable sensing performance on energy-and-cost effective hardware without special powerful nodes in a continuously changing physical environment. We present the detection and classification system in a cutting-edge surveillance sensor network, which classifies vehicles, persons, and persons carrying ferrous objects, and tracks these targets with a maximum error in velocity of 15%. Considering the demanding requirements and strict resource constraints, we design a hierarchical classification architecture that naturally distributes sensing and computation tasks at different levels of the system. Such a distribution allows multiple sensors to collaborate on a sensor node, and the detection and classification results to be continuously refined at different levels of the WSN. This design enables reliable detection and classification without involving high-complexity computation, reduces network traffic, and emphasizes resilience and adaptation to the realistic environment. We evaluate the system with performance data collected from outdoor experiments and field assessments. Based on the experience acquired and lessons learned when developing this system, we abstract common issues and introduce several guidelines which can direct future development of detection and classification solutions based on WSNs.