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Natural cooling, utilizing non-mechanical cooling, presents a low-carbon and low-cost way to provide thermal comfort in residential buildings. However, designing naturally cooled buildings requires a clear understanding of how opening and…

Signal Processing · Electrical Eng. & Systems 2024-06-26 Juliet Nwagwu Ume-Ezeoke , Kopal Nihar , Catherine Gorle , Rishee Jain

Recent research is trying to leverage occupants' demand in the building's control loop to consider individuals' well-being and the buildings' energy savings. To that end, a real-time feedback system is needed to provide data about…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Roshanak Ashrafi , Mona Azarbayjani , Hamed Tabkhi

Air conditioning (AC) accounts for a critical portion of the global energy consumption. To improve its energy performance, it is important to fairly benchmark its energy performance and provide the evaluation feedback to users. However,…

Systems and Control · Electrical Eng. & Systems 2019-10-16 Yuren Zhou , Clement Lork , Wen-Tai Li , Chau Yuen , Yeong Ming Keow

Thermal infrared (IR) images represent the heat patterns emitted from hot object and they do not consider the energies reflected from an object. Objects living or non-living emit different amounts of IR energy according to their body…

Computer Vision and Pattern Recognition · Computer Science 2013-09-06 Ayan Seal , Suranjan Ganguly , Debotosh Bhattacharjee , Mita Nasipuri , Dipak kr. Basu

Human respiratory rate and its pattern convey essential information about the physical and psychological states of the subject. Abnormal breathing can indicate fatal health issues leading to further diagnosis and treatment. Wireless…

Signal Processing · Electrical Eng. & Systems 2024-04-17 Md Zobaer Islam , Brenden Martin , Carly Gotcher , Tyler Martinez , John F. O'Hara , Sabit Ekin

Low-cost thermal cameras are inaccurate (usually $\pm 3^\circ C$) and have space-variant nonuniformity across their detector. Both inaccuracy and nonuniformity are dependent on the ambient temperature of the camera. The goal of this work…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Navot Oz , Nir Sochen , David Mendelovich , Iftach Klapp

This work presents the analysis of semantically segmented, longitudinally, and spatially rich thermal images collected at the neighborhood scale to identify hot and cool spots in urban areas. An infrared observatory was operated over a few…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Vasantha Ramani , Pandarasamy Arjunan , Kameshwar Poolla , Clayton Miller

Changing public perceptions and government regulations have led to the widespread use of low-cost air quality monitors in modern indoor spaces. Typically, these monitors detect air pollutants to augment the end user's understanding of her…

Human-Computer Interaction · Computer Science 2024-08-13 Prasenjit Karmakar , Swadhin Pradhan , Sandip Chakraborty

Heat, Ventilation and Air Conditioning (HVAC) systems play a critical role in maintaining a comfortable thermal environment and cost approximately 40% of primary energy usage in the building sector. For smart energy management in buildings,…

Machine Learning · Computer Science 2024-02-22 Dafang Zhao , Zheng Chen , Zhengmao Li , Xiaolei Yuan , Ittetsu Taniguchi

An ensuing challenge in Artificial Intelligence (AI) is the perceived difficulty in interpreting sophisticated machine learning models, whose ever-increasing complexity makes it hard for such models to be understood, trusted and thus…

Machine Learning · Computer Science 2024-10-25 Jianqiao Mao , Grammenos Ryan

Herein we report a multi-zone, heating, ventilation and air-conditioning (HVAC) control case study of an industrial plant responsible for cooling a hospital surgery center. The adopted approach to guaranteeing thermal comfort and reducing…

Systems and Control · Electrical Eng. & Systems 2022-02-01 Emilio T. Maddalena , Silvio A. Muller , Rafael M. dos Santos , Christophe Salzmann , Colin N. Jones

The HVAC systems in subway stations are energy consuming giants, each of which may consume over 10, 000 Kilowatts per day for cooling and ventilation. To save energy for the HVAC systems, it is critically important to firstly know the "load…

Systems and Control · Computer Science 2013-12-11 Yongcai Wang , Haoran Feng , Xiangyu Xi

Action monitoring in a home environment provides important information for health monitoring and may serve as input into a smart home environment. Visual analysis using cameras can recognise actions in a complex scene, such as someones…

Computer Vision and Pattern Recognition · Computer Science 2018-11-14 Lili Tao , Timothy Volonakis , Bo Tan , Yanguo Jing , Kevin Chetty , Melvyn Smith

Monitoring indoor activities of daily living (ADLs) of a person is neither an easy nor an accurate process. It is subjected to dependency on sensor type, power supply stability, and connectivity stability without mentioning artifacts…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Hassan M. Ahmed , Bessam Abdulrazak

HVAC (Heating, Ventilation and Air Conditioning) system is an important part of a building, which constitutes up to 40% of building energy usage. The main purpose of HVAC, maintaining appropriate thermal comfort, is crucial for the best…

Machine Learning · Computer Science 2020-10-22 Nan Gao , Wei Shao , Mohammad Saiedur Rahaman , Jun Zhai , Klaus David , Flora D. Salim

With the press of global climate change, extreme weather and sudden weather changes are becoming increasingly common. To maintain a comfortable indoor environment and minimize the contribution of the building to climate change as much as…

Machine Learning · Computer Science 2025-12-30 Liping Sun , Yucheng Guo , Siliang Lu , Zhenzhen Li

Standard (black-box) regression models may not necessarily suffice for accurate identification and prediction of thermal dynamics in buildings. This is particularly apparent when either the flow rate or the inlet temperature of the thermal…

Systems and Control · Computer Science 2016-08-11 Georgios C. Chasparis , Thomas Natschlaeger

In this paper the methodology and the results of a quasi real-time thermal characterization tool and method for the temperature mapping of circuits and boards based on sensing the infrared radiation will be introduced. With the proposed…

Materials Science · Physics 2007-09-13 G. Bognár , V. Szekely , M. Rencz

Non-invasive temperature monitoring of individuals plays a crucial role in identifying and isolating symptomatic individuals. Temperature monitoring becomes particularly vital in settings characterized by close human proximity, often…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Arijit Samal , Haroon R Lone

Climate models lack the necessary resolution for urban climate studies, requiring computationally intensive processes to estimate high resolution air temperatures. In contrast, Data-driven approaches offer faster and more accurate air…

Atmospheric and Oceanic Physics · Physics 2024-09-05 Fatemeh Chajaei , Hossein Bagheri
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