PIR sensors: Characterization and novel localization technique

S Narayana, RV Prasad, VS Rao… - Proceedings of the 14th …, 2015 - dl.acm.org
Pyroelectric Infra-Red (PIR) sensors are used in many applications including security. PIRs
detect the presence of humans and animals from the radiation of their body heat. This could …

Pyro: Thumb-tip gesture recognition using pyroelectric infrared sensing

J Gong, Y Zhang, X Zhou, XD Yang - Proceedings of the 30th Annual …, 2017 - dl.acm.org
We present Pyro, a micro thumb-tip gesture recognition technique based on thermal infrared
signals radiating from the fingers. Pyro uses a compact, low-power passive sensor, making it …

A shortest path tree based algorithm for relay placement in a wireless sensor network and its performance analysis

A Bhattacharya, A Kumar - Computer Networks, 2014 - Elsevier
In this paper, we study a problem of designing a multi-hop wireless network for
interconnecting sensors (hereafter called source nodes) to a Base Station (BS), by …

Intruder localization and tracking using two pyroelectric infrared sensors

SO Al-Jazzar, SA Aldalahmeh, D McLernon… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
In this paper, we introduce a method to estimate the range of an intruder and track its
trajectory by utilizing the received signal strength of the heat flux for pyroelectric infrared …

Delay constrained optimal relay placement for planned wireless sensor networks

A Bhattacharya, A Kumar - 2010 IEEE 18th International …, 2010 - ieeexplore.ieee.org
In this paper, we study the problem of wireless sensor network design by deploying a
minimum number of additional relay nodes (to minimize network design cost) at a subset of …

QoS aware and survivable network design for planned wireless sensor networks

A Bhattacharya, A Kumar - arXiv preprint arXiv:1110.4746, 2011 - arxiv.org
We study the problem of wireless sensor network design by deploying a minimum number of
additional relay nodes (to minimize network cost) at a subset of given potential relay …

A distributed learning method for ℓ 1-regularized kernel machine over wireless sensor networks

X Ji, C Hou, Y Hou, F Gao, S Wang - Sensors, 2016 - mdpi.com
In wireless sensor networks, centralized learning methods have very high communication
costs and energy consumption. These are caused by the need to transmit scattered training …

Enhanced-range intrusion detection using pyroelectric infrared sensors

S Aldalahmeh, A Hamdan, M Ghogho… - 2016 Sensor Signal …, 2016 - ieeexplore.ieee.org
In this paper, the problem of intrusion detection using pyroelectric infrared (PIR) sensors is
investigated. We study the output PIR signal in the light of the intruder's trajectory and the …

Method, apparatus and system for passive infrared sensor framework

Y Modi, MR Malhotra, G van der Linden… - US Patent …, 2020 - Google Patents
A method includes detecting, with a passive infrared sensor (PIR), a level of infrared
radiation in a field of view (FOV) of the PIR, generating a signal based on detected levels …

Model based target tracking in a wireless network of passive infrared sensor nodes

VS Nithya, K Sheshadri, A Kumar… - … Conference on Signal …, 2010 - ieeexplore.ieee.org
We consider the problem of tracking an intruder in a plane region by using a wireless sensor
network comprising motes equipped with passive infrared (PIR) sensors deployed over the …