Sensing within smart buildings: A survey

W Alsafery, O Rana, C Perera - ACM Computing Surveys, 2023 - dl.acm.org
Increasingly, buildings are being fitted with sensors for the needs of different sectors, such
as education, industry and business. Using Internet of Things devices combined with …

Measuring indoor occupancy through environmental sensors: A systematic review on sensor deployment

AR Mena, HG Ceballos, J Alvarado-Uribe - Sensors, 2022 - mdpi.com
The COVID-19 pandemic has changed our common habits and lifestyle. Occupancy
information is valued more now due to the restrictions put in place to reduce the spread of …

Occupancy estimation in buildings based on infrared array sensors detection

Y Yuan, X Li, Z Liu, X Guan - IEEE Sensors Journal, 2019 - ieeexplore.ieee.org
Along with methods such as Hidden Markov Model and Linear Discriminant Analysis,
environmental sensors including temperature, humidity or carbon dioxide are used to …

RGB color sensors for occupant detection: An alternative to PIR sensors

TK Woodstock, RF Karlicek - IEEE Sensors Journal, 2020 - ieeexplore.ieee.org
RGB color sensors are examined as an economical replacement for non-lighting based
occupancy sensors such as PIR sensors and ultrasonic sensors. RGB color sensors are …

Occupancy estimation using IoT sensors and machine learning: Incorporating ventilation system operating state and preprocessed differential pressure data

J Kim, A Choi, HJ Moon, JW Moon, M Sung - Building and Environment, 2023 - Elsevier
Indoor occupancy should be measured to reduce energy consumption in buildings and
predict infection risk. Various studies used machine learning to measure occupancy using …

Deep learning for building occupancy estimation using environmental sensors

Z Chen, C Jiang, MK Masood, YC Soh, M Wu… - … Learning: Algorithms and …, 2020 - Springer
Building Energy efficiency has gained more and more attention in last few years. Occupancy
level is a key factor for achieving building energy efficiency, which directly affects energy …

Security and reliability of room occupancy detection using probe requests in smart buildings

T Fryza, T Bravenec, Z Kohl - 2023 33rd International …, 2023 - ieeexplore.ieee.org
We present new approaches for determining occupancy in smart building management
systems. The solutions can be applied dually, in civil and military areas, not only for …

Hybrid ventilation system and soft-sensors for maintaining indoor air quality and thermal comfort in buildings

N Vadamalraj, K Zingre, S Seshadhri, P Arjunan… - Atmosphere, 2020 - mdpi.com
Maintaining both indoor air quality (IAQ) and thermal comfort in buildings along with
optimized energy consumption is a challenging problem. This investigation presents a novel …

Indoor occupancy monitoring using environmental feature fusion and semi-supervised machine learning models

A Mena-Martinez, J Alvarado-Uribe… - Journal of Building …, 2024 - Taylor & Francis
Smart buildings optimize energy consumption and occupant comfort through Heating,
Ventilation and Air Conditioning, and lighting management. Nevertheless, large venues …

A Real-life Evaluation of Supervised and Semi-supervised Machine Learning Approaches for Indirect Estimation of Indoor Occupancy

A Mena-Martinez, MD Delgado, J Alvarado-Uribe… - IEEE …, 2024 - ieeexplore.ieee.org
Occupancy information is essential for space management, energy efficiency, and in times of
the COVID-19 pandemic, for crowd control. Obtaining labeled data is challenging due to …