English
Related papers

Related papers: PoHAR: Understanding Hyperlocal Human Activities w…

200 papers

The development of low-cost sensors and novel calibration algorithms offer new opportunities to supplement existing regulatory networks to measure air pollutants at a high spatial resolution and at hourly and sub-hourly timescales. We use a…

This study addresses the critical challenge of modeling and mapping urban air quality to ascertain pollutant concentrations in unmonitored locations. The advent of low-cost sensors, particularly those deployed in vehicular networks,…

The rising demand for low-cost air quality monitors stems from increased public awareness and interest within the research community. These monitors play a pivotal role in empowering citizens and scientists to comprehend spatiotemporal…

Systems and Control · Electrical Eng. & Systems 2026-03-24 Prasannaa Kumar D. , Gulshan Kumar , Jay Dhariwal , Seshan Srirangarajan

Acknowledging the effects of outdoor air pollution, the literature inadequately addresses indoor air pollution's impacts. Despite daily health risks, existing research primarily focused on monitoring, lacking accuracy in pinpointing indoor…

Machine Learning · Computer Science 2025-01-14 Pritisha Sarkar , Kushalava reddy Jala , Mousumi Saha

In the last decade, Human Activity Recognition (HAR) has become a vibrant research area, especially due to the spread of electronic devices such as smartphones, smartwatches and video cameras present in our daily lives. In addition, the…

Signal Processing · Electrical Eng. & Systems 2020-11-20 Florenc Demrozi , Graziano Pravadelli , Azra Bihorac , Parisa Rashidi

Human activity recognition has grown in popularity with its increase of applications within daily lifestyles and medical environments. The goal of having efficient and reliable human activity recognition brings benefits such as accessible…

Machine Learning · Computer Science 2022-01-24 Rushit Dave , Naeem Seliya , Mounika Vanamala , Wei Tee

As mobile technologies become ever more sensor-rich, portable, and ubiquitous, data captured by smart devices are lending rich insights into users' daily lives with unprecedented comprehensiveness, unobtrusiveness, and ecological validity.…

In recent years, indoor air pollution has posed a significant threat to our society, claiming over 3.2 million lives annually. Developing nations, such as India, are most affected since lack of knowledge, inadequate regulation, and outdoor…

Machine Learning · Computer Science 2024-09-24 Prasenjit Karmakar , Swadhin Pradhan , Sandip Chakraborty

Cognitive radio and dynamic spectrum access represent a new paradigm shift in more effective use of limited radio spectrum. One core component behind dynamic spectrum access is the sensing of primary user activity in the shared spectrum.…

Information Theory · Computer Science 2016-11-17 Shunqing Zhang , Tianyu Wu , Vincent K. N. Lau

Human activity recognition (HAR) is a classification task that aims to classify human activities or predict human behavior by means of features extracted from sensors data. Typical HAR systems use wearable sensors and/or handheld and mobile…

Human Activity Recognition (HAR) on resource-constrained wearable devices demands inference models that harmonize accuracy with computational efficiency. This paper introduces TinierHAR, an ultra-lightweight deep learning architecture that…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Sizhen Bian , Mengxi Liu , Vitor Fortes Rey , Daniel Geissler , Paul Lukowicz

There is an increasing demand for intelligent processing on emerging ultra-low-power internet of things (IoT) devices, and recent works have shown substantial efficiency boosts by executing inference tasks directly on the IoT device (node)…

Signal Processing · Electrical Eng. & Systems 2022-04-29 Cyan Subhra Mishra , Jack Sampson , Mahmut Taylan Kandemir , Vijaykrishnan Narayanan

Human activity recognition~(HAR) has attracted significant research interest due to its applications in health monitoring and patient rehabilitation. Recent research on HAR focuses on using smartphones due to their widespread use. However,…

Computer Vision and Pattern Recognition · Computer Science 2019-02-06 Ganapati Bhat , Ranadeep Deb , Vatika Vardhan Chaurasia , Holly Shill , Umit Y. Ogras

Sensor-based human activity recognition (HAR), i.e., the ability to discover human daily activity patterns from wearable or embedded sensors, is a key enabler for many real-world applications in smart homes, personal healthcare, and urban…

Signal Processing · Electrical Eng. & Systems 2021-04-20 Saurav Jha , Martin Schiemer , Franco Zambonelli , Juan Ye

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

Nowadays air pollution becomes one of the biggest world issues in both developing and developed countries. Helping individuals understand their air pollution exposure and health risks, the traditional way is to utilize data from static…

Computers and Society · Computer Science 2020-05-29 Ke Hu , Ashfaqur Rahman , Hassan Habibi Gharakheili , Vijay Sivaraman

Automated and accurate human activity recognition (HAR) using body-worn sensors enables practical and cost efficient remote monitoring of Activity of DailyLiving (ADL), which are shown to provide clinical insights across multiple…

Signal Processing · Electrical Eng. & Systems 2023-05-01 Maximilien Burq , Niranjan Sridhar

Mobile and wearable devices have enabled numerous applications, including activity tracking, wellness monitoring, and human--computer interaction, that measure and improve our daily lives. Many of these applications are made possible by…

Human-Computer Interaction · Computer Science 2022-03-04 Shibo Zhang , Yaxuan Li , Shen Zhang , Farzad Shahabi , Stephen Xia , Yu Deng , Nabil Alshurafa

Human activity recognition (HAR) is an essential research field that has been used in different applications including home and workplace automation, security and surveillance as well as healthcare. Starting from conventional machine…

Signal Processing · Electrical Eng. & Systems 2023-09-15 Rebeen Ali Hamad , Wai Lok Woo , Bo Wei , Longzhi Yang

Monitoring air quality and environmental conditions is crucial for public health and effective urban planning. Current environmental monitoring approaches often rely on centralized data collection and processing, which pose significant…

Computers and Society · Computer Science 2025-04-07 Sara Yarham , Mehran Behjati