Results 241 to 250 of about 3,805,880 (279)

Road Traffic Density Estimation in Vehicular Networks

2013 IEEE Wireless Communications and Networking Conference (WCNC), 2013
Road traffic density estimation provides important information for road planning, intelligent road routing, road traffic control, vehicular network traffic scheduling, routing and dissemination. The ever increasing number of vehicles equipped with wireless communication capabilities provide new means to estimate the road traffic density more accurately
Guoqiang Mao
exaly   +2 more sources

Perceived density of road maps

Applied Ergonomics, 2014
Maps should be designed so that users can comprehend and use the information. Display decisions, such as choosing the scale at which an area is shown, depend on properties of the displayed information such as the perceived density (PD) of the information. Taking a psychophysical approach we suggest that the PD of information in a road map is related to
Hadas, Schwartz-Chassidim, Joachim, Meyer, Yisrael, Parmet, Efrat, Rogatka, Ohad, Amzaleg   +4 more
openaire   +2 more sources

A Distributed Measurement of Road Density

2018 IEEE International Conference on Communications (ICC), 2018
Vehicular Ad-hoc networks (VANETs) are a specific class of Mobile Ad-hoc Networks made by vehicles communicating among themselves in roads in urban and rural environments. The well-known unicast routing protocols implemented for MANETs (Mobile Area Networks) are not suitable for VANETs due to high mobility.
Tawfiq Nebbou, Hacène Fouchal, Mohamed Lehsaini   +2 more
openaire   +2 more sources

Road scene analysis for determination of road traffic density

Frontiers of Computer Science, 2014
Road traffic density has always been a concern in large cities around the world, and many approaches were developed to assist in solving congestions related to slow traffic flow. This work proposes a congestion rate estimation approach that relies on real-time video scenes of road traffic, and was implemented and evaluated on eight different hotspots ...
Omar S. Al-Kadi, Osama Al-Kadi, Rizik M. H. Al-Sayyed, Ja'far Alqatawna   +3 more
openaire   +2 more sources

A road density partition method for the evaluation of road selection

2015 23rd International Conference on Geoinformatics, 2015
Road density is a useful index widely employed in the analysis of ecological effects, road network planning, delimitation of urban areas and road network generalization. The evaluation of generalization result is a key issue in the field of automated map generalization.
Huaqiang Fang, Chang Ren, Liupeng Lin, Fuquan Xiong, Jing Tian   +4 more
openaire   +2 more sources

Road densities and species abundance

2009 17th International Conference on Geoinformatics, 2009
Roads form a complex system to connect people and goods. In recent years, the economic development and population increase have led to the active construction of new roads and railways. Therefore, as the human activities increase, the density of roads also escalates.
null Yi-Fang Chen, W.W. Chen
openaire   +1 more source

Road-network agglomeration, road density, and protected-area fragmentation

Letters in Spatial and Resource Sciences, 2012
This paper develops a new measure of the spatial pattern of roads in an area, named the Road Network Agglomeration Index (RNAI), and explores the impact of this dimension of road networks on spatial patterns of conservation networks. RNAI is more spatially descriptive than road density measures used commonly in analyses of conservation patterns, and ...
Heidi J. Albers, Amy W. Ando, Meidan Bu, Michael G. Wing   +3 more
openaire   +1 more source

Density Based Clustering Methods for Road Traffic Estimation

2020 IEEE REGION 10 CONFERENCE (TENCON), 2020
Multiple object detection using deep neural networks can lead to transportation vehicles estimate, a necessary requirement for prediction and management of road traffic and parking lot. Highly overlapped objects that look similar and objects that are there at far distances have lesser probability of detection by state-of-art techniques.
Jagadish D. N., Lakshman Mahto, Arun Chauhan 0002   +2 more
openaire   +1 more source

Power Spectral Density of Road Profiles

Vehicle System Dynamics, 2001
The road profile is usually considered to be a random process x (d), where x is the road height and d is the distance along the road. As the vehicle travels along the road with velocity v, the random process x (d) is converted to a random process x (t) which is input to the vehicle suspension via the tyre.
Davis, B., Thompson, A.
openaire   +2 more sources

Effects of road density on regional food webs

Conservation Biology
Abstract Roads stand as major threats to biodiversity because they affect the functioning of ecosystems and the provision of ecosystem services. Understanding how the effects of roads affect the dynamics of ecological interactions is essential to managing human impacts on biodiversity, but such studies are few. We investigated species
F. Mestre, V. A. G. Bastazini, F. Ascensão   +2 more
openaire   +3 more sources