Zobrazeno 1 - 10
of 531
pro vyhledávání: '"Victor O. K. Li"'
Publikováno v:
IEEE Access, Vol 12, Pp 126531-126544 (2024)
Portable Sensor Nodes (PSNs) can supplement geographically sparse government-run static air quality monitoring stations (AQMSs). A PSN typically consists of several low-cost pollution sensors for different air pollutants, which must be calibrated to
Externí odkaz:
https://doaj.org/article/44cae190eefd47e880f173370f3300c4
Publikováno v:
Humanities & Social Sciences Communications, Vol 10, Iss 1, Pp 1-14 (2023)
Abstract Income inequality presents a key challenge to urban sustainability across the developed economies. Traditionally, accurate high granularity income data are generally obtained from field surveys. However, due to privacy considerations, field
Externí odkaz:
https://doaj.org/article/ade6a55ae39143579392977809a9a442
Autor:
Andong Wang, Qi Zhang, Yang Han, Sean Megason, Sahand Hormoz, Kishore R. Mosaliganti, Jacqueline C. K. Lam, Victor O. K. Li
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-15 (2022)
Abstract Cell segmentation plays a crucial role in understanding, diagnosing, and treating diseases. Despite the recent success of deep learning-based cell segmentation methods, it remains challenging to accurately segment densely packed cells in 3D
Externí odkaz:
https://doaj.org/article/8c5dce6d57254d8fb6d8aaa41ab0d710
Publikováno v:
IEEE Access, Vol 10, Pp 55818-55841 (2022)
Air pollution presents a serious health challenge in urban metropolises. While accurately monitoring and forecasting air pollution are highly crucial, existing data-driven models have yet fully captured the complex interactions between the temporal c
Externí odkaz:
https://doaj.org/article/f97ff8ae13714788a24773886c4b9dfc
Autor:
Yang Han, Jacqueline C. K. Lam, Victor O. K. Li, Jon Crowcroft, Jinqi Fu, Jocelyn Downey, Illana Gozes, Qi Zhang, Shanshan Wang, Zafar Gilani
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
Abstract This study investigates thoroughly whether acute exposure to outdoor PM2.5 concentration, P, modifies the rate of change in the daily number of COVID-19 infections (R) across 18 high infection provincial capitals in China, including Wuhan. A
Externí odkaz:
https://doaj.org/article/816e12d7d07f4da695dae48ab68dc4a0
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
Abstract Understanding demographic difference in facial expression of happiness has crucial implications on social communication. However, prior research on facial emotion expression has mostly focused on the effect of a single demographic factor (ty
Externí odkaz:
https://doaj.org/article/a63a07ff9e354b63988fb3fe7f4d69ae
Publikováno v:
IEEE Access, Vol 8, Pp 74291-74305 (2020)
With increasing public demands for timely and accurate air pollution reporting, more air quality monitoring stations have been deployed by the governments in urban metropolises to increase the coverage of urban air pollution monitoring. However, due
Externí odkaz:
https://doaj.org/article/8a4ef79edf7a414e80910aefad843de1
Publikováno v:
IEEE Access, Vol 8, Pp 162533-162547 (2020)
Estimating the per-capita income and the household income at a fine-grained geographical scale is critical but challenging, even across the developed economies. In this article, a novel Siamese-like Convolutional Neural Network, integrating Ridge Reg
Externí odkaz:
https://doaj.org/article/997be278c8e74db0b2848bde645c2c4c
Publikováno v:
IEEE Access, Vol 8, Pp 220069-220082 (2020)
Attempts have been made to estimate PM2.5 and PM10 values from smartphone images, given that deploying highly accurate air pollution monitors throughout a city is a highly expensive undertaking. Departing from previous machine learning studies which
Externí odkaz:
https://doaj.org/article/459e672ee24c42c0be4f202514c8f99e
Publikováno v:
IEEE Access, Vol 7, Pp 47390-47400 (2019)
Air quality monitoring plays an increasingly important role in providing accurate air pollution data for assessing the impacts of air pollution on public health. Development of proper sensor networks, by deploying the right air pollution sensors at t
Externí odkaz:
https://doaj.org/article/2ec4406056564924826f87cdc3769454