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Wyszukujesz frazę "traffic speed" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
GPS use to determine accurate speed
Autorzy:
Dębowska-Mróz, M.
Szychta, E.
Powiązania:
https://bibliotekanauki.pl/articles/393417.pdf
Data publikacji:
2010
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
GPS
prędkość
pomiar prędkości
ruch drogowy
mobility
speed
speed measurement
road traffic
Opis:
The paper presents the importance of measurements and research in the road traffic as well as the most often used methods of speed measuring. Possibilities of GPS system use for speed measurements are described. Possibilities created by this method usage to determine the speed in the road traffic are shown.
Źródło:
Archives of Transport System Telematics; 2010, 3, 3; 56-60
1899-8208
Pojawia się w:
Archives of Transport System Telematics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of bus rapid transit problems in cities with dense construction area
Autorzy:
Stotsko, Z.
Royko, Y.
Bura, R.
Hrytsun, O.
Powiązania:
https://bibliotekanauki.pl/articles/393565.pdf
Data publikacji:
2019
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
speed of movement
traffic flow
traffic volume
traffic delay
urban public transport
prędkość ruchu
natężenie ruchu
opóźnienie ruchu
miejski transport publiczny
Opis:
By the methods of field research, it is determined the primary factors of traffic flows on the sections of urban twolane streets, where routes of tram and urban bus movement which have motion in general structure of traffic flow are laid. Using methods of documentary research and traffic simulation, there are received results of change of average operational speed of tram and urban bus movement during different periods of operation on the route; traffic flow delays connected with technological features of tram and urban bus routes functioning in zone of operation of tram and urban bus stops and controlled intersections. Using methods of traffic simulation, it is determined possible time losses and queue length in traffic flows in conditions of increase of traffic volume and change of its composition (increase of urban public transport rate).
Źródło:
Archives of Transport System Telematics; 2019, 12, 4; 45-49
1899-8208
Pojawia się w:
Archives of Transport System Telematics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dynamic traffic management systems on A4 motorways
Autorzy:
Bohatkiewicz, J.
Jamrozik, K.
Biernacki, S.
Powiązania:
https://bibliotekanauki.pl/articles/393415.pdf
Data publikacji:
2010
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
system zarządzania ruchem
znaki zmiennej treści
sterowanie ruchem
nadzór prędkości
bezpieczeństwo ruchu drogowego
traffic management system
variable message signs
traffic control
speed management
road traffic safety
Opis:
The A4 Motorway is the key transport connection in southern Poland and carries domestic and international traffic in the east-west direction. In 2008 a traffic management system based on variable message signs (VMS) was designed for the General Directorate of National Roads and Motorways. The system covers a section of 165 km of the A4 Motorway between the interchanges Bielany (Lower Silesia) and Sośnica (Silesia). The main purpose of the system is to ensure seamless traffic flows and road safety. Thanks to the application of VMS and a dynamic transfer of data and information the functions of the system include traffic control, speed management, alternative route guidance, traffic information and weather warnings. The design stage of the system included the mapping of data sources, grouping of potential traffic incidents, development of message signs, setting out of actuation procedures and sequences of message display as well as outlining of communications procedures and decision making process by the administrator of the system. A lot of attention was given to factors providing for reliability of the system and credibility of messages.
Źródło:
Archives of Transport System Telematics; 2010, 3, 4; 4-7
1899-8208
Pojawia się w:
Archives of Transport System Telematics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Detailed evaluation and analysis of vision-based online traffic parameters estimation approach using low resolution web cameras
Autorzy:
Ali, M.
Touko Tcheumadjeu, L.
Zuev, S.
Ruppe, S.
Powiązania:
https://bibliotekanauki.pl/articles/393806.pdf
Data publikacji:
2014
Wydawca:
Polskie Stowarzyszenie Telematyki Transportu
Tematy:
background estimation
vehicle detection
time mean speed
traffic flow
traffic state
classification
estymacja tła
detekcja pojazdu
płynność ruchu
stan ruchu
klasyfikacja
Opis:
In this paper, we give an overview and a detail analysis of our approach for vision-based real-time traffic parameters estimation using low-resolution web cameras. Traffic parameters estimation approach mainly includes three major steps, (1) stable background estimation, (2) vehicle detection, mean speed and traffic flow estimation, and (3) traffic scene classification into three states (normal and congested). The background image is estimated and updated in realtime by novel background estimation algorithm based on the median of First-in-First-Out (FIFO) buffer of rectified traffic images. Vehicles are detected by background subtraction followed by post-processing steps. By exploiting the domain knowledge of real-world traffic flow patterns, mean speed and traffic flow can be estimated reliably and accurately. Naive Bayes classifier with statistical features is used for traffic scene classification. The traffic parameter estimation approach is tested and evaluated at the German Aerospace Center’s (DLR) urban road research laboratory in Berlin for 24 hours of live streaming data from web-cameras with frames per second 1, 5 and 10. Image resolution is 348 x 259 and JPEG compression is 50%. Processed traffic data is cross-checked with synchronized induction loop data. Detailed evaluation and analysis shows high accuracy and robustness of traffic parameters estimation approach using low-resolution web-cameras under challenging traffic conditions.
Źródło:
Archives of Transport System Telematics; 2014, 7, 2; 9-13
1899-8208
Pojawia się w:
Archives of Transport System Telematics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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