C4.5: programs for machine learning
C4.5: programs for machine learning
Decision Combination in Multiple Classifier Systems
IEEE Transactions on Pattern Analysis and Machine Intelligence
Power analysis of embedded software: a first step towards software power minimization
IEEE Transactions on Very Large Scale Integration (VLSI) Systems - Special issue on low-power design
Low power design in deep submicron electronics
IEEE Transactions on Pattern Analysis and Machine Intelligence
Data mining: practical machine learning tools and techniques with Java implementations
Data mining: practical machine learning tools and techniques with Java implementations
Wireless integrated network sensors
Communications of the ACM
The design and use of simplepower: a cycle-accurate energy estimation tool
Proceedings of the 37th Annual Design Automation Conference
Wattch: a framework for architectural-level power analysis and optimizations
Proceedings of the 27th annual international symposium on Computer architecture
A survey of design techniques for system-level dynamic power management
IEEE Transactions on Very Large Scale Integration (VLSI) Systems - Special section on low-power electronics and design
Data and memory optimization techniques for embedded systems
ACM Transactions on Design Automation of Electronic Systems (TODAES)
Classification of general audio data for content-based retrieval
Pattern Recognition Letters - Special issue on image/video indexing and retrieval
Dynamic voltage scaling and power management for portable systems
Proceedings of the 38th annual Design Automation Conference
ISHPC '02 Proceedings of the 4th International Symposium on High Performance Computing
WearNET: A Distributed Multi-sensor System for Context Aware Wearables
UbiComp '02 Proceedings of the 4th international conference on Ubiquitous Computing
A System-Level Approach to Power/Performance Optimization in Wearable Computers
WVLSI '00 Proceedings of the IEEE Computer Society Annual Workshop on VLSI (WVLSI'00)
Adtranz: A Mobile Computing System for Maintenance and Collaboration
ISWC '98 Proceedings of the 2nd IEEE International Symposium on Wearable Computers
A case study of a system-level approach to power-aware computing
ACM Transactions on Embedded Computing Systems (TECS)
The case for reconfigurable hardware in wearable computing
Personal and Ubiquitous Computing
Using Multiple Sensors for Mobile Sign Language Recognition
ISWC '03 Proceedings of the 7th IEEE International Symposium on Wearable Computers
PadNET: Wearable Physical Activity Detection Network
ISWC '03 Proceedings of the 7th IEEE International Symposium on Wearable Computers
SoundButton: Design of a Low Power Wearable Audio Classification System
ISWC '03 Proceedings of the 7th IEEE International Symposium on Wearable Computers
Building Intelligent Environments with Smart-Its
IEEE Computer Graphics and Applications
Implementation and Evaluation of a Low-Power Sound-Based User Activity Recognition System
ISWC '04 Proceedings of the Eighth International Symposium on Wearable Computers
Spine versus Porcupine: A Study in Distributed Wearable Activity Recognition
ISWC '04 Proceedings of the Eighth International Symposium on Wearable Computers
ISWC '04 Proceedings of the Eighth International Symposium on Wearable Computers
Sampling Frequency, Signal Resolution and the Accuracy of Wearable Context Recognition Systems
ISWC '04 Proceedings of the Eighth International Symposium on Wearable Computers
Design Considerations for Ultra-Low Energy Wireless Microsensor Nodes
IEEE Transactions on Computers
Trading off Prediction Accuracy and Power Consumption for Context-Aware Wearable Computing
ISWC '05 Proceedings of the Ninth IEEE International Symposium on Wearable Computers
Power and Size Optimized Multi-Sensor Context Recognition Platform
ISWC '05 Proceedings of the Ninth IEEE International Symposium on Wearable Computers
Gesture spotting using wrist worn microphone and 3-axis accelerometer
Proceedings of the 2005 joint conference on Smart objects and ambient intelligence: innovative context-aware services: usages and technologies
Telos: enabling ultra-low power wireless research
IPSN '05 Proceedings of the 4th international symposium on Information processing in sensor networks
Instruction level and operating system profiling for energy exposed software
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Bathroom activity monitoring based on sound
PERVASIVE'05 Proceedings of the Third international conference on Pervasive Computing
Design methodology for context-aware wearable sensor systems
PERVASIVE'05 Proceedings of the Third international conference on Pervasive Computing
A systematic approach to the design of distributed wearable systems
IEEE Transactions on Computers
Using mutual information for selecting features in supervised neural net learning
IEEE Transactions on Neural Networks
Distributed Activity Recognition with Fuzzy-Enabled Wireless Sensor Networks
DCOSS '08 Proceedings of the 4th IEEE international conference on Distributed Computing in Sensor Systems
Design and Evaluation of a Sound Based Water Flow Measurement System
EuroSSC '08 Proceedings of the 3rd European Conference on Smart Sensing and Context
Empower Mobile Workspaces by Wireless Networks and Wearable Computing
NEW2AN '09 and ruSMART '09 Proceedings of the 9th International Conference on Smart Spaces and Next Generation Wired/Wireless Networking and Second Conference on Smart Spaces
Modeling service-oriented context processing in dynamic body area networks
IEEE Journal on Selected Areas in Communications - Special issue on body area networking: Technology and applications
Adaptive audio-based context recognition
IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans
A framework to detect and classify activity transitions in low-power applications
ICME'09 Proceedings of the 2009 IEEE international conference on Multimedia and Expo
Recognizing the use-mode of kitchen appliances from their current consumption
EuroSSC'09 Proceedings of the 4th European conference on Smart sensing and context
Bringing quality of context into wearable human activity recognition systems
QuaCon'09 Proceedings of the 1st international conference on Quality of context
Power-accuracy tradeoffs in human activity transition detection
Proceedings of the Conference on Design, Automation and Test in Europe
Mobile Networks and Applications
ACM Transactions on Embedded Computing Systems (TECS)
Towards Collaborative Group Activity Recognition Using Mobile Devices
Mobile Networks and Applications
Activity recognition for creatures of habit
Personal and Ubiquitous Computing
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This paper presents an empirical design methodology to optimize a context recognition system with respect to a trade-off between power consumption and recognition performance rather than straightforward maximization of the recognition rate. As illustration, we present a case study in which the interaction with different household appliances is detected by means of a wrist worn microphone and accelerometers. This example, which is embedded in the larger context of an assisted living scenario, demonstrates that the proposed method leads to improvements in battery lifetime by a factor of 2-4 with only little degradation in recognition performance. For a specific sensor node, we show that a recognition rate of 94% can be achieved with a power consumption of just 3.3 mW, resulting in a battery lifetime of 168 h.