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27 Results Found

  • Article
  • Open Access
5 Citations
3,472 Views
19 Pages

The low-cost, indoor-feasibility, and non-intrusive characteristic of passive infrared sensors (PIR sensors) makes it widely used in human motion detection, but the limitation of its object identification ability makes it difficult to further analyze...

  • Article
  • Open Access
4 Citations
2,831 Views
17 Pages

MUS3E: A Mobility Ubiquitous Sensor Edge Environment for the Elderly

  • Tomihiro Utsumi,
  • Masatoshi Arikawa and
  • Masashi Hashimoto

With the ageing of society, the number of households with older individuals or couples living alone is increasing. An “ageing-in-place” approach allows older adults to continue to live at home and receive help only when needed. However, t...

(This article belongs to the Special Issue Ubiquitous Sensor Networks, 2nd Edition)
  • Article
  • Open Access
3 Citations
2,876 Views
31 Pages

28 November 2024

This study presents a robust framework designed to address the limitations of passive infrared (PIR) sensors in home-based elderly monitoring, particularly focusing on false detections and sensor blind times, which compromise data accuracy. While PIR...

  • Article
  • Open Access
3 Citations
5,606 Views
23 Pages

Exploiting the PIR Sensor Analog Behavior as Thermoreceptor: Movement Direction Classification Based on Spiking Neurons

  • Jose-Maria Guerrero-Rodriguez,
  • Maria-Angeles Cifredo-Chacon,
  • Clemente Cobos Sánchez and
  • Fernando Perez-Peña

22 June 2023

Pyroelectric infrared sensors (PIR) are widely used as infrared (IR) detectors due to their basic implementation, low cost, low power, and performance. Combined with a Fresnel lens, they can be used as a binary detector in applications of presence an...

(This article belongs to the Section Electronic Sensors)
  • Article
  • Open Access
18 Citations
7,525 Views
21 Pages

30 December 2015

Passive infrared (PIR) motion detectors, which can support long-term continuous observation, are widely used for human motion analysis. Extracting all possible trajectories from the PIR sensor networks is important. Because the PIR sensor does not lo...

(This article belongs to the Section Sensor Networks)
  • Communication
  • Open Access
20 Citations
11,974 Views
19 Pages

IoT Sensor Network for Wild-Animal Detection near Roads

  • Mindaugas Knyva,
  • Darius Gailius,
  • Gintautas Balčiūnas,
  • Darius Pratašius,
  • Pranas Kuzas and
  • Aistė Kukanauskaitė

2 November 2023

The monitoring and detection of wild animals is a significant topic for researchers who study the behavior, lifestyle, and environment of wild animals, as well as for people who encounter wildlife both in residential areas and near roads while travel...

(This article belongs to the Section Internet of Things)
  • Article
  • Open Access
50 Citations
6,731 Views
19 Pages

Interpretable Passive Multi-Modal Sensor Fusion for Human Identification and Activity Recognition

  • Liangqi Yuan,
  • Jack Andrews,
  • Huaizheng Mu,
  • Asad Vakil,
  • Robert Ewing,
  • Erik Blasch and
  • Jia Li

3 August 2022

Human monitoring applications in indoor environments depend on accurate human identification and activity recognition (HIAR). Single modality sensor systems have shown to be accurate for HIAR, but there are some shortcomings to these systems, such as...

(This article belongs to the Special Issue Deep Learning Methods for Human Activity Recognition and Emotion Detection)
  • Article
  • Open Access
8 Citations
3,433 Views
20 Pages

13 December 2022

This paper describes a methodology to optimize the home sensor network to measure the Activities of Daily Living (ADLs) of older people using Machine Learning (ML) applied to synthetic data generated via a newly developed Smart Living Environment (SL...

(This article belongs to the Special Issue Metrology for Living Environment)
  • Article
  • Open Access
24 Citations
6,578 Views
12 Pages

Low-Cost Thermal Camera-Based Counting Occupancy Meter Facilitating Energy Saving in Smart Buildings

  • Marek Kraft,
  • Przemysław Aszkowski,
  • Dominik Pieczyński and
  • Michał Fularz

27 July 2021

Using passive infrared sensors is a well-established technique of presence monitoring. While it can significantly reduce energy consumption, more savings can be made when utilising more modern sensor solutions coupled with machine learning algorithms...

(This article belongs to the Section G1: Smart Cities and Urban Management)
  • Article
  • Open Access
76 Citations
9,195 Views
19 Pages

IoT Enabled Intelligent Sensor Node for Smart City: Pedestrian Counting and Ambient Monitoring

  • Fowzia Akhter,
  • Sam Khadivizand,
  • Hasin Reza Siddiquei,
  • Md Eshrat E. Alahi and
  • Subhas Mukhopadhyay

1 August 2019

An Internet of Things (IoT) enabled intelligent sensor node has been designed and developed for smart city applications. The fabricated sensor nodes count the number of pedestrians, their direction of travel along with some ambient parameters. The Fi...

(This article belongs to the Special Issue Intelligent Sensors for Smart City)
  • Article
  • Open Access
69 Citations
17,498 Views
21 Pages

29 November 2020

Buildings have been an important energy consuming sector, and inefficient controlling of lights can result in wastage of energy in buildings. The aim of the study is to reduce energy consumption by implementing a smart lighting system that integrates...

(This article belongs to the Section Civil Engineering)
  • Review
  • Open Access
13 Citations
4,161 Views
34 Pages

20 December 2024

Satellite remote sensing complements rain gauges and ground radars as the primary sources of precipitation data. While significant advancements have been made in spaceborne precipitation estimation since the 1960s, the emergence of multi-sensor preci...

(This article belongs to the Special Issue Synergetic Remote Sensing of Clouds and Precipitation II)
  • Article
  • Open Access
1,584 Views
25 Pages

16 November 2025

This paper deals with a privacy-preserving human tracking system that uses multi-property infrared sensor arrays. In the growing field of intelligent elderly care, there is a critical need for monitoring systems that ensure safety without compromisin...

(This article belongs to the Section Applied Physics General)
  • Article
  • Open Access
10 Citations
3,498 Views
21 Pages

The proliferation of sensors in smart homes makes it possible to monitor human activities, routines, and complex behaviors in an unprecedented way. Hence, human activity recognition has gained increasing attention over the last few years as a tool to...

(This article belongs to the Special Issue Feature Papers in Computer Science & Engineering)
  • Article
  • Open Access
27 Citations
5,536 Views
23 Pages

3 May 2022

This paper presents an innovative multi-resident activity detection sensor network that uses the Bluetooth Low Energy (BLE) signal emitted by tags worn by residents and passive infrared (PIR) motion sensors deployed in the house to locate residents a...

(This article belongs to the Special Issue Well-Being, Comfort and Health Monitoring through Wearable Sensors)
  • Article
  • Open Access
38 Citations
13,408 Views
24 Pages

11 January 2018

This paper presents a novel double weight-based synthetic aperture radar (SAR) and infrared (IR) sensor fusion method (DW-SIF) for automatic ground target recognition (ATR). IR-based ATR can provide accurate recognition because of its high image reso...

(This article belongs to the Special Issue Deep Learning for Remote Sensing)
  • Article
  • Open Access
5 Citations
3,647 Views
18 Pages

20 May 2021

A new data fusion technique based on Artificial Neural Networks (ANN) for the design of a rainfall retrieval algorithm is presented. The use of both VIS/IR (VISible and InfraRed) data from GEO (Geostationary Earth Orbit) satellite and of passive micr...

(This article belongs to the Section Earth Sciences)
  • Article
  • Open Access
15 Citations
4,597 Views
16 Pages

8 March 2020

Over the past few years, the Internet of Things (IoT) has been greatly developed with one instance being smart home devices gradually entering into people’s lives. To maximize the impact of such deployments, home-based activity recognition is r...

(This article belongs to the Section Sensor Networks)
  • Article
  • Open Access
4 Citations
7,055 Views
16 Pages

9 January 2015

The impact of one or two missing passive microwave (PMW) input sensors on the end product of multi-satellite precipitation products is an interesting but obscure issue for both algorithm developers and data users. On 28 January 2013, the Version-7 TR...

(This article belongs to the Special Issue The Development and Validation of Remote Sensing Products for Terrestrial, Hydrological, and Ecological Applications at the Regional Scale)
  • Article
  • Open Access
38 Citations
19,568 Views
20 Pages

2 December 2023

Research on developing a smart security system is based on Artificial Intelligence with an unmanned aerial vehicle (UAV) to detect and monitor alert situations, such as fire accidents and theft/intruders in the building or factory, which is based on...

(This article belongs to the Special Issue Advances in Detection, Security, and Communication for UAV)
  • Article
  • Open Access
8 Citations
8,604 Views
19 Pages

11 January 2016

Passive warming manipulation methodologies, such as open-top chambers (OTCs), are a meaningful approach for interpretation of impacts of climate change on the Arctic tundra biome. The magnitude of OTC warming has been studied extensively, revealing a...

(This article belongs to the Special Issue Remote Sensing of Changing Northern High Latitude Ecosystems)
  • Article
  • Open Access
1,533 Views
45 Pages

30 November 2025

Reliable land surface temperature (LST) data are required for monitoring climate variability, hydrological processes, and land–atmosphere interactions. Yet existing satellite-derived LST products, such as those from thermal infrared (TIR) senso...

(This article belongs to the Section Earth Observation Data)
  • Article
  • Open Access
2,515 Views
38 Pages

This article presents a scalable IoT-based architecture for continuous and passive monitoring of human behavior in home environments, designed as a technical foundation for future dementia risk assessment systems. The architecture addresses three fun...

(This article belongs to the Section Internet of Things (IoT) and Industrial IoT)
  • Article
  • Open Access
16 Citations
4,187 Views
22 Pages

Volcanic Cloud Detection and Retrieval Using Satellite Multisensor Observations

  • Francesco Romeo,
  • Luigi Mereu,
  • Simona Scollo,
  • Mario Papa,
  • Stefano Corradini,
  • Luca Merucci and
  • Frank Silvio Marzano

5 February 2023

Satellite microwave (MW) and millimetre-wave (MMW) passive sensors can be used to detect volcanic clouds because of their sensitivity to larger volcanic particles (i.e., size bigger than 20 µm). In this work, we combine the MW-MMW observations...

(This article belongs to the Special Issue Assessment and Prediction of Volcano Hazard Using Remote Sensing)
  • Article
  • Open Access
8 Citations
3,201 Views
22 Pages

Evaluation of Rainfall Products in Semi-Arid Areas: Application to the Southeast of the Republic of Djibouti and a Focus on the Ambouli Catchment

  • Golab Moussa Omar,
  • Jean-Emmanuel Paturel,
  • Christian Salles,
  • Gil Mahé,
  • Mohamed Jalludin,
  • Frédéric Satgé and
  • Mohamed Ismail Nour

8 June 2023

The Republic of Djibouti is a small country in the Horn of Africa and, as in most developing countries, rain gauges are sparse and data are scarce. This study aims to report on the reliability of gridded precipitation datasets (P datasets) across the...

  • Article
  • Open Access
71 Citations
10,986 Views
20 Pages

Multi-Temporal Evaluation of Soil Moisture and Land Surface Temperature Dynamics Using in Situ and Satellite Observations

  • Miriam Pablos,
  • José Martínez-Fernández,
  • María Piles,
  • Nilda Sánchez,
  • Mercè Vall-llossera and
  • Adriano Camps

11 July 2016

Soil moisture (SM) is an important component of the Earth’s surface water balance and by extension the energy balance, regulating the land surface temperature (LST) and evapotranspiration (ET). Nowadays, there are two missions dedicated to monitoring...

(This article belongs to the Special Issue Remote Sensing Applied to Soils: From Ground to Space)
  • Article
  • Open Access
518 Views
26 Pages

2 June 2026

Objective: Rapid vertical manoeuvres and intermittent vibration in autonomous electric vertical take-off and landing (eVTOL) aircraft can provoke pronounced psychological anxiety in passengers. To address this, we propose a closed-loop adaptive syste...

(This article belongs to the Special Issue Human-Centered Design in Wearable Technology)