Human Body Model Acquisition and Tracking Using Voxel Data
International Journal of Computer Vision
Conditional Random Fields: Probabilistic Models for Segmenting and Labeling Sequence Data
ICML '01 Proceedings of the Eighteenth International Conference on Machine Learning
Shape-From-Silhouette Across Time Part I: Theory and Algorithms
International Journal of Computer Vision
International Journal of Computer Vision
CVPR '05 Proceedings of the 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05) - Volume 1 - Volume 01
Intelligent light control using sensor networks
Proceedings of the 3rd international conference on Embedded networked sensor systems
Efficient adaptive density estimation per image pixel for the task of background subtraction
Pattern Recognition Letters
A convenient multicamera self-calibration for virtual environments
Presence: Teleoperators and Virtual Environments
Measure Locally, Reason Globally: Occlusion-sensitive Articulated Pose Estimation
CVPR '06 Proceedings of the 2006 IEEE Computer Society Conference on Computer Vision and Pattern Recognition - Volume 2
A survey of advances in vision-based human motion capture and analysis
Computer Vision and Image Understanding - Special issue on modeling people: Vision-based understanding of a person's shape, appearance, movement, and behaviour
Conditional models for contextual human motion recognition
Computer Vision and Image Understanding - Special issue on modeling people: Vision-based understanding of a person's shape, appearance, movement, and behaviour
Design and implementation of a wireless sensor network for intelligent light control
Proceedings of the 6th international conference on Information processing in sensor networks
Design of a Wireless Sensor Network Based Automatic Light Controller in Theater Arts
ECBS '07 Proceedings of the 14th Annual IEEE International Conference and Workshops on the Engineering of Computer-Based Systems
Unsupervised clustering of ambulatory audio and video
ICASSP '99 Proceedings of the Acoustics, Speech, and Signal Processing, 1999. on 1999 IEEE International Conference - Volume 06
Design and Implementation of a WSN-Based Intelligent Light Control System
ICDCSW '08 Proceedings of the 2008 The 28th International Conference on Distributed Computing Systems Workshops
Sub-optimal Camera Selection in Practical Vision Networks through Shape Approximation
ACIVS '08 Proceedings of the 10th International Conference on Advanced Concepts for Intelligent Vision Systems
A long-term evaluation of sensing modalities for activity recognition
UbiComp '07 Proceedings of the 9th international conference on Ubiquitous computing
Scalable recognition of daily activities with wearable sensors
LoCA'07 Proceedings of the 3rd international conference on Location-and context-awareness
A responsive home environment for the elderly
Proceedings of the 6th International Conference on Rehabilitation Engineering & Assistive Technology
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Smart homes are conceptualized as environments responsive to a user's presence and actions, and adaptive to user preferences and context. Visual information plays an enabling role in smart home applications such as interfaces and gesture control. This paper reports on the use of cameras and a distributed processing method for automated control of lights in a smart home. The proposed optimization formulations maintain the user's comfort while reducing the energy cost of lights. Information from camera sensors provides occupancy reasoning and human activity analysis. By detecting the user's position and activity, and employing light utility functions as constraints, the system optimizes the light setting for the user's satisfaction in the occupied area. Additionally, to reduce the transmission energy and bandwidth, we also propose an ellipsoid approximation (EA) method for occupancy reasoning by a camera network. By applying the EA method, the network nodes can aggregate the observed data progressively and maintain a fixed transmitted data length. Simulations on the occupancy results from experiments are provided to verify the proposed algorithms.