Search Results - "Helai Huang"

Bayesian spatial joint modeling of traffic crashes on an urban road network by Zeng, Qiang, Huang, Helai

“…•Crash frequencies of road segments and intersections in an urban road network are modeled simultaneously.•In the proposed joint model, the spatial…”
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A stable and optimized neural network model for crash injury severity prediction by Zeng, Qiang, Huang, Helai

“…•A convex combination (CC) algorithm and a modified NN pruning for function approximation (N2PFA) algorithm are proposed to stably develop a simple and…”
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Identifying Factors Contributing to the Motorcycle Crash Severity in Pakistan by Pervez, Amjad, Lee, Jaeyoung, Huang, Helai

“…Motorcycle is a popular mode of transportation in many developing countries, including Pakistan. Since the last decade, the registered number of motorcycles in…”
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A multivariate random-parameters Tobit model for analyzing highway crash rates by injury severity by Zeng, Qiang, Wen, Huiying, Huang, Helai, Pei, Xin, Wong, S.C.

“…•A multivariate random-parameters Tobit model is proposed to analyze crash rate by injury severity.•Crash, traffic and roadway geometric data from Hong Kong…”
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A multivariate spatial model of crash frequency by transportation modes for urban intersections by Huang, Helai, Zhou, Hanchu, Wang, Jie, Chang, Fangrong, Ma, Ming

“…•A multivariate spatial model is developed for estimating crash frequency by modes.•The multivariate spatial model outperforms the other two models in…”
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Using vehicular trajectory data to explore risky factors and unobserved heterogeneity during lane-changing by Chen, Qinghong, Gu, Ruifeng, Huang, Helai, Lee, Jaeyoung, Zhai, Xiaoqi, Li, Ye

“…•Microscopic trajectory data are applied to investigate collision risks of lane-changing behaviors.•Stopping distance indexes are developed to evaluate the…”
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Corridor-level signalized intersection safety analysis in Shanghai, China using Bayesian hierarchical models by Xie, Kun, Wang, Xuesong, Huang, Helai, Chen, Xiaohong

“…► In Shanghai, the road network density is relatively high and the distance between signalized intersections is small. ► Adjacent signalized intersections…”
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Sensitivity analysis in the context of regional safety modeling: Identifying and assessing the modifiable areal unit problem by Xu, Pengpeng, Huang, Helai, Dong, Ni, Abdel-Aty, Mohamed

“…•Conducting a sensitivity analysis to quantitatively investigate the modifiable areal unit problem in the context of regional safety modeling.•The Bayesian…”
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Modeling nonlinear relationship between crash frequency by severity and contributing factors by neural networks by Zeng, Qiang, Huang, Helai, Pei, Xin, Wong, S.C.

“…This study develops neural network models to explore the nonlinear relationship between crash frequency by severity and risk factors. To eliminate the…”
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Cyclists injured in traffic crashes in Hong Kong: A call for action by Xu, Pengpeng, Dong, Ni, Wong, S C, Huang, Helai

“…Perceived as a minor transportation mode mainly for recreation, cycling and its related safety issues have not been treated as a citywide concern in Hong Kong…”
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Diatomic iron nanozyme with lipoxidase-like activity for efficient inactivation of enveloped virus by Li, Beibei, Ma, Ruonan, Chen, Lei, Zhou, Caiyu, Zhang, Yu-Xiao, Wang, Xiaonan, Huang, Helai, Hu, Qikun, Zheng, Xiaobo, Yang, Jiarui, Shao, Mengjuan, Hao, Pengfei, Wu, Yanfen, Che, Yizhen, Li, Chang, Qin, Tao, Gao, Lizeng, Niu, Zhiqiang, Li, Yadong

“…Enveloped viruses encased within a lipid bilayer membrane are highly contagious and can cause many infectious diseases like influenza and COVID-19, thus…”
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Driver injury severity outcome analysis in rural interstate highway crashes: a two-level Bayesian logistic regression interpretation by Chen, Cong, Zhang, Guohui, Liu, Xiaoyue Cathy, Ci, Yusheng, Huang, Helai, Ma, Jianming, Chen, Yanyan, Guan, Hongzhi

“…•This study examined driver injury severities in rural interstate highway crashes.•A hierarchical model is utilized to identify significant factors on injury…”
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Effects of area postrema lesions and bilateral subdiaphragmatic afferent vagotomy on emetine-induced conditioned taste avoidance in rats by Su, Shaoyi, Fujita, Mayu, Wei, Zimo, Huang, Helai, Yoshizawa, Tomohiko, Inui, Tadashi, Funahashi, Makoto

“…•The area postrema was lesioned using an electrosurgical knife.•Bilateral subdiaphragmatic afferent vagotomy was performed using capsaicin.•Area postrema…”
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Improve traffic death statistics in China by Huang, Helai, Chang, Fangrong, Schwebel, David C, Ning, Peishan, Cheng, Peixia, Hu, Guoqing

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Dual-Objective Reinforcement Learning-Based Adaptive Traffic Signal Control for Decarbonization and Efficiency Optimization by Zhang, Gongquan, Chang, Fangrong, Huang, Helai, Zhou, Zilong

“…To improve traffic efficiency, adaptive traffic signal control (ATSC) systems have been widely developed. However, few studies have proactively optimized the…”
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Examining Road Traffic Mortality Status in China: A Simulation Study by Huang, Helai, Yin, Qingyi, Schwebel, David C, Li, Li, Hu, Guoqing

“…Data from the Chinese police service suggest substantial reductions in road traffic injuries since 2002, but critics have questioned the accuracy of those…”
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The modifiable areal unit problem in traffic safety: Basic issue, potential solutions and future research by Pengpeng Xu, Helai Huang, Ni Dong

“…This study fully addressed the modifiable areal unit problem (MAUP) that was well-known in geography but generally ignored by safety analysis. The basic issue…”
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Empirical Evaluation of Alternative Approaches in Identifying Crash Hot Spots by Huang, Helai, Chin, Hoong Chor, Haque, Mazharul

“…This study proposes a framework of a model-based hot spot identification method by applying full Bayes (FB) technique. In comparison with the state-of-the-art…”
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A Heckman selection model for the safety analysis of signalized intersections by Xu, Xuecai, Wong, S C, Zhu, Feng, Pei, Xin, Huang, Helai, Liu, Youjun

“…The objective of this paper is to provide a new method for estimating crash rate and severity simultaneously. This study explores a Heckman selection model of…”
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Global Progress in Road Injury Mortality since 2010 by Ning, Peishan, Schwebel, David C, Huang, Helai, Li, Li, Li, Jun, Hu, Guoqing

“…We aimed to examine progress in global road injury mortality since the initiation of Global Plan for the Decade of Action for Road Safety 2011-2020. We…”
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