中文
相关论文

相关论文: Integrating mobile and fixed monitoring data for h…

200 篇论文

Modeling traffic dynamics is a critical challenge for urban computing, with applications from real-time traffic management to infrastructure planning. However, progress in this area is fundamentally constrained by a lack of large-scale…

We introduce PM25Vision (PM25V), the largest and most comprehensive dataset to date for estimating air quality - specifically PM2.5 concentrations - from street-level images. The dataset contains over 11,114 images matched with timestamped…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Yang Han

Air pollution is one of the leading causes of mortality globally, resulting in millions of deaths each year. Efficient monitoring is important to measure exposure and enforce legal limits. New low-cost sensors can be deployed in greater…

机器学习 · 计算机科学 2024-04-22 Sigrid Passano Hellan , Christopher G. Lucas , Nigel H. Goddard

Accurate and reliable data stream plays an important role in air quality assessment. Air pollution data collected from monitoring networks, however, could be biased due to instrumental error or other interventions, which covers up the real…

应用统计 · 统计学 2019-01-15 Yaqiong Wang , Minya Xu , Hui Huang , Songxi Chen

Integrating efficient connectivity, positioning and sensing functionalities into 5G New Radio (NR) and beyond mobile cellular systems is one timely research paradigm, especially at mm-wave and sub-THz bands. In this article, we address the…

The problem of modeling and predicting spatiotemporal traffic phenomena over an urban road network is important to many traffic applications such as detecting and forecasting congestion hotspots. This paper presents a decentralized data…

High resolution mapping of PM2.5 concentration over Tehran city is challenging because of the complicated behavior of numerous sources of pollution and the insufficient number of ground air quality monitoring stations. Alternatively, high…

机器学习 · 计算机科学 2024-02-06 Hossein Bagheri

Understanding the variability of people's travel patterns is key to transport planning and policy-making. However, to what extent daily transit use displays geographic and temporal variabilities, and what are the contributing factors have…

计算机与社会 · 计算机科学 2024-03-12 Sui Tao , Francisco Rowe , Hongyu Shan

We propose a robust multi-fidelity Gaussian process for integrating sparse, high-quality reference monitors with dense but noisy citizen-science sensors. The approach replaces the Gaussian log-likelihood in the high-fidelity channel with a…

统计方法学 · 统计学 2025-11-21 Camilla Andreozzi , Pietro Colombo , Philipp Otto

The problem of modeling and predicting spatiotemporal traffic phenomena over an urban road network is important to many traffic applications such as detecting and forecasting congestion hotspots. This paper presents a decentralized data…

人工智能 · 计算机科学 2014-08-12 Jie Chen , Kian Hsiang Low , Colin Keng-Yan Tan , Ali Oran , Patrick Jaillet , John Dolan , Gaurav Sukhatme

It is of utmost importance to have a clear understanding of the status of air pollution and to provide forecasts and insights about the air quality to the general public and researchers in environmental studies. Previous studies of…

统计方法学 · 统计学 2021-04-08 Soudeep Deb , Ruey S. Tsay

Radio maps find numerous applications in wireless communications and mobile robotics tasks, including resource allocation, interference coordination, and mission planning. Although numerous techniques have been proposed to construct radio…

信号处理 · 电气工程与系统科学 2022-01-14 Raju Shrestha , Daniel Romero , Sundeep Prabhakar Chepuri

Air pollution has become a significant health risk in developing countries. While governments routinely publish air-quality index (AQI) data to track pollution, these values fail to capture the local reality, as sensors are often very…

机器学习 · 计算机科学 2025-06-13 Aaryam Sharma

In many problem settings that require spatio-temporal forecasting, the values in the time-series not only exhibit spatio-temporal correlations but are also influenced by spatial diffusion across locations. One such example is forecasting…

机器学习 · 计算机科学 2024-12-19 Malay Pandey , Vaishali Jain , Nimit Godhani , Sachchida Nand Tripathi , Piyush Rai

Due to the significant air pollution problem, monitoring and prediction for air quality have become increasingly necessary. To provide real-time fine-grained air quality monitoring and prediction in urban areas, we have established our own…

信号处理 · 电气工程与系统科学 2018-11-07 Zixuan Bai , Zhiwen Hu , Kaigui Bian , Lingyang Song

5G-based mmWave wireless positioning has emerged as a promising solution for autonomous vehicle (AV) positioning in recent years. Previous studies have highlighted the benefits of fusing a line-of-sight (LoS) 5G positioning solution with an…

信号处理 · 电气工程与系统科学 2023-05-05 Qamar Bader , Sharief Saleh , Mohamed Elhabiby , Aboelmagd Noureldin

Prior to modern Earth observation technologies, historical maps provide a unique record of long-term urban transformation and offer a lens on the evolving identity of cities. However, extracting consistent and fine-grained change…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Sidi Wu , Yizi Chen , Maurizio Gribaudi , Konrad Schindler , Clément Mallet , Julien Perret , Lorenz Hurni

The increasing prevalence of marine pollution during the past few decades motivated recent research to help ease the situation. Typical water quality assessment requires continuous monitoring of water and sediments at remote locations with…

机器学习 · 计算机科学 2022-03-08 Xiaoting Xu , Tin Lai , Sayka Jahan , Farnaz Farid

Reliable long-term forecasting of PM2.5 concentrations is critical for public health early-warning systems, yet existing deep learning approaches struggle to maintain prediction stability beyond 48 hours, especially in cities with sparse…

机器学习 · 计算机科学 2025-10-28 Amirali Ataee Naeini , Arshia Ataee Naeini , Fatemeh Karami Mohammadi , Omid Ghaffarpasand

This work presents an innovative, multidisciplinary and cost-effective ecosystem of ICT solutions able to collect, process and distribute geo-referenced information about the influence of pollution and micro-climatic conditions on the…

网络与互联网体系结构 · 计算机科学 2022-05-31 Bacco Manlio , Delmastro Franca , Ferro Erina , Gotta Alberto