نتایج جستجو برای: pedestrians
تعداد نتایج: 4215 فیلتر نتایج به سال:
High standard of walking environment in city centers and their transport hubs is important to stimulate urban activities. This requires urban planners to ensure improvements to pedestrian infrastructure as well as sign systems to assist destination search and route choice processes of users. This project covers a case study of a newly developed shopping and business complex next to a large tran...
The aim of this study was to geographically analyse the traffic casualties in pedestrians in downtown of Tehran City. Study population consisted of pedestrians who had traffic injury accidents from April 2014 to March 2015 in Tehran City. Data were extracted from the offices of traffic police and municipality. For analysis of environmental factors and site of accidents, Ordinary Least Square (O...
Driver assistance systems are being developed by automakers as mean to reduce traffic accidents. For examples, night vision systems that warn drivers of pedestrians during nighttime driving and pre-crash safety systems for collision mitigation have been commercialized in recent years, indicating that pedestrian detection will become an important function for driver assistance systems in the nea...
We propose a 2-dimensional cellular automaton model to simulate pedestrian traffic. It is a vmax = 1 model with exclusion statistics and parallel dynamics. Long-range interactions between the pedestrians are mediated by a so called floor field which modifies the transition rates to neighbouring cells. This field, which can be discrete or continuous, is subject to diffusion and decay. Furthermor...
The effects of fire products on pedestrians are introduced into a multigrid evacuation model, in which the space is discretized into smaller grids with the size of 0.1 m × 0.1 m and each pedestrian occupies 5×5 grid sites. The effects of fire products on pedestrians consist of two parts: the desired movement direction and the step frequency. The data of fire products obtained from the simulatio...
To achieve efficient traffic flow, it is important to base control of traffic signals on observation of pedestrian flow as well as vehicle flow. In consideration of safety, it is also important to analyze behavioral relationship between pedestrians and vehicles, which can be conductive to accidents at intersections. Toward the goals of efficiency and safety, we developed a precise tracking algo...
With cellular phones and portable music players becoming a staple in everyday life, questions have arisen regarding the attentional deficits that might occur when such devices are used while performing other tasks. Here, we used a street-crossing task in an immersive virtual environment to test how this sort of divided attention affects pedestrian behavior when crossing a busy street. Thirty-si...
In this paper we present an algorithm for recogniz ing walking pedestrians in sequences of color images taken from a moving camera The recognition is based on the characteristic motion of the legs of a pedestrian walking parallel to the image plane Each image is seg mented into region like image parts by clustering pixels in a combined color position feature space The pro posed clustering techn...
with the increase of the number of cameras installed across a video surveillance network, the ability of security staffs to attentively scan all the video feeds actually decreases. therefore, the need for an intelligent system that operates as a tracking system is vital for security personnel to do their jobs well. tracking people as they move through a camera network with non-overlapping field...
With the increase of the number of cameras installed across a video surveillance network, the ability of security staffs to attentively scan all the video feeds actually decreases. Therefore, the need for an intelligent system that operates as a tracking system is vital for security personnel to do their jobs well. Tracking people as they move through a camera network with non-overlapping field...
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