Journal ArticleDOI
Human-tracking systems using pyroelectric infrared detectors
TLDR
In this article, a low-cost pyroelectric detector-based IR motion tracking system was developed for human motion tracking using a single IR sensor and the characteristics of the detector and the Fresnel lenses that are used to modulate the visibility of the detectors.Abstract:
We design and develop a low-cost pyroelectric detector- based IR motion-tracking system. We study the characteristics of the detector and the Fresnel lenses that are used to modulate the visibility of the detectors. We build sensor clusters in different configurations and demonstrate their use for human motion tracking. © 2006 Society of Photo-read more
Citations
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Journal ArticleDOI
Tracking Motion Direction and Distance With Pyroelectric IR Sensors
TL;DR: This paper presents a feature extraction and sensor fusion technique that exploits a set of wireless nodes equipped with PIR sensors to track people moving in a hallway that has reduced computational and memory requirements, thus it is well suited for digital systems with limited resources, such as those available in sensor nodes.
Journal ArticleDOI
Context-Adaptive Multimodal Wireless Sensor Network for Energy-Efficient Gas Monitoring
TL;DR: A wireless sensor network for monitoring indoor air quality, which is crucial for people's comfort, health, and safety because they spend a large percentage of time in indoor environments, is presented and a significant lifetime extension is demonstrated.
Journal ArticleDOI
Human Tracking With Wireless Distributed Pyroelectric Sensors
TL;DR: A wireless pyroelectric sensor system, composed of sensing modules (slaves), a synchronization and error rejection module (master), and a data fusion module (host), to perform human tracking and the computation workload distribution among slave, master, and host is investigated.
Journal ArticleDOI
Human movement detection and identification using pyroelectric infrared sensors.
Jaeseok Yun,Sang-Shin Lee +1 more
TL;DR: An empirical study of human movement detection and idengification using a set of PIR sensors, which shows that with the raw data set captured from a single PIR sensor of each of the three modules, it could achieve more than 92% accuracy in classifying the direction and speed of movement, the distance interval and idEngifying subjects.
Journal ArticleDOI
Multiple Human Tracking and Identification With Wireless Distributed Pyroelectric Sensor Systems
TL;DR: The developed wireless distributed infrared sensor system can run as a standalone prisoner/patient monitoring system under any illumination conditions, as well as a complement for conventional video and audio human tracking and identification systems.
References
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Journal ArticleDOI
Pyroelectricity: From Ancient Curiosity to Modern Imaging Tool
TL;DR: In this article, changes in the net dipole moment of certain materials form the basis for a broad range of IR detectors, including IR detectors based on a broad class of materials.
Journal ArticleDOI
Pedestrian detection and tracking with night vision
TL;DR: In this article, a two-step detection/tracking method is proposed to deal with the nonrigid nature of human appearance on the road, where the detection phase is performed by a support vector machine (SVM) with size-normalized pedestrian candidates and the tracking phase is a combination of Kalman filter prediction and mean shift tracking.
Proceedings ArticleDOI
Pedestrian detection and tracking with night vision
Fengliang Xu,Kikuo Fujimura +1 more
TL;DR: A two-step detection/tracking method for pedestrian detection and tracking using a night vision video camera installed on the vehicle to deal with the nonrigid nature of human appearance on the road is proposed.
Journal ArticleDOI
Coded apertures for efficient pyroelectric motion tracking
TL;DR: Coded apertures are used as reference structures in a pyroelectric motion tracking system capable of detecting source motion in one of the 15 cells uniformly distributed over a 1.6m x 1.
Journal ArticleDOI
Reference structure tomography.
TL;DR: Reference Structure tomography (RST) as discussed by the authors uses multidimensional modulations to encode mappings between radiating objects and measurements, and can be used to image source-density distributions, estimate source parameters, or classify sources.