Road traffic emissions are considered a major contributor to urban air pollution, but clean actions have led huge reduction in per vehicle. This raises pressing question on the potential further reduce road improve quality. Here, we analysed ~11 million real-world data estimate contribution of roadside and concentrations for several cities. Our results confirm that remains dominant source nitro...

Analyzing motion patterns in traffic videos can be exploited directly to generate high-level descriptions of the video contents. Such descriptions may further be employed in different traffic applications such as traffic phase detection and abnormal event detection. One of the most recent and successful unsupervised methods for complex traffic scene analysis is based on topic models. In this pa...

background: more than 20% of deaths from traffic crashes are related to pedestrians. this figure in tehran, the capital of iran, reaches to 40%. this study aimed to determine the high-risk areas and spatially analyze the traffic crashes, causing death to pedestrians in tehran.   methods: mapping was used to display the distribution of the crashes. determining the distribution pattern of crashes...

the purpose of this study is to analyse the correlation between content and traffic of 21,485 academic websites (universities and research institutes). the achieved result is used as an indicator which shows the performance of the websites for attracting more visitors. this inspires a best practice for developing new websites or promoting the traffic of the existing websites. at the first step,...

one of the leading causes of death and disability in the middle east is road traffic accidents. there are multiple factors that cause these traffic accidents, and the most important of which is fatigue, drowsiness and lack of concentration. the risk of road traffic accidents due to sleepiness, which were reported by police, increased by more than sevenfold in low alertness hours during circadia...

background: due to their specific nature, such as high incidence, high intensity and direct involvement of all members of society, traffic injuries are of particular importance. through a mega data, this study investigated the epidemiological aspects and depict current situation of road traffic injuries in iran. methods: using legal medicine and traffic police data, deaths from road traffic inj...