Search Results for author: Qingchun Li

Found 4 papers, 1 papers with code

Attributed Network Embedding Model for Exposing COVID-19 Spread Trajectory Archetypes

no code implementations20 Sep 2022 Junwei Ma, Bo Li, Qingchun Li, Chao Fan, Ali Mostafavi

To this end, this study creates a network embedding model capturing cross-county visitation networks, as well as heterogeneous features to uncover clusters of counties in the United States based on their pandemic spread transmission trajectories.

Network Embedding

Self-Supervised Speech Denoising Using Only Noisy Audio Signals

1 code implementation30 Oct 2021 Jiasong Wu, Qingchun Li, Guanyu Yang, Lei LI, Lotfi Senhadji, Huazhong Shu

The first module adopts a random audio sub-sampler on each noisy audio to generate training pairs.

Audio Denoising Denoising +1

Spatio-Temporal Graph Convolutional Networks for Road Network Inundation Status Prediction during Urban Flooding

no code implementations6 Apr 2021 Faxi Yuan, Yuanchang Xu, Qingchun Li, Ali Mostafavi

Using fine-grained traffic speed data related to road sections, this study designed and implemented three spatio-temporal graph convolutional network (STGCN) models to predict road network status during flood events at the road segment level in the context of the 2017 Hurricane Harvey in Harris County (Texas, USA).

Future prediction Management

Revealing Critical Characteristics of Mobility Patterns in New York City during the Onset of COVID-19 Pandemic

no code implementations3 Feb 2021 Akhil Anil Rajput, Qingchun Li, Xinyu Gao, Ali Mostafavi

Using data sources related to population density, aggregated population mobility, public rail transit use, vehicle use, hotspot and non-hotspot movement patterns, and human activity agglomeration, we analyzed the inter-borough and intra-borough moment for New York City by aggregating the data at the borough level.

Physics and Society Social and Information Networks

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