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Dissertations / Theses on the topic 'Traffic Observation'

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1

Truong, Y.-Thao. "Observation and analysis of driver behavior at intersections in malfunction flash mode." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26561.

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Thesis (M. S.)--Civil and Environmental Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: Hunter, Michael; Committee Member: Meyer, Michael; Committee Member: Rodgers, Michael. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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Jenior, Peter M. "Observation and Modeling of Traffic Operations at Intersections in Malfunction Flash Mode." Thesis, Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/14643.

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When a traffic signals malfunction monitoring unit detects a problem with a traffic signal such as the simultaneous display of green indications to conflicting movements or loss of power to some signal heads, the signal is automatically placed into flash mode as a safety precaution. Signals can have either red/red malfunction flash mode or yellow/red malfunction flash mode, and the mode cannot change by time of day or day of week. This study analyzed traffic operation at 34 instances of yellow/red malfunction flash and 9 instances of red/red malfunction flash in the Atlanta, Georgia area. M
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Idris, Husni Rifat. "Observation and analysis of departure operations at Boston Logan International Airport." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/8862.

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Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2001.<br>Includes bibliographical references (p. 199-203).<br>In order to support the development of improved methods for departure operations, the flow constraints and their causalities --primarily responsible for inefficiencies and delays-- need to be identified. This thesis is an effort to identify such flow constraints and gain a deep understanding of the departure process underlying dynamics based on field observations and analysis conducted at Boston Logan International Airport. It was observed that t
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Aarsæther, Karl Gunnar. "Modeling and analysis of ship traffic by observation and numerical simulation." Doctoral thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for marin teknikk, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-15280.

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The continuing losses of vessels and the ever increasing volume of cargo carried by ship marks marine traffic as a high risk activity where a single accident has the potential to incur large human, environmental and economic losses. Collision and grounding contributes a significant portion of the total number of accidents at sea and are a manifestation of the fundamental situation where by vessels are at the wrong place at the wrong time. In order to quantify the probability of these unfortunate events one can turn to either observation or simulation, but observation has previously been limite
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Palmieri, Francesco. "Network anaomaly detection based on the observation of multi-scale traffic dynamics." Doctoral thesis, Universita degli studi di Salerno, 2012. http://hdl.handle.net/10556/370.

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2010 - 2011<br>Con la sempre più rapida crescita in termini di dimensioni e complessità delle moderne infrastrutture di rete, l’attività di individuazione e prevenzione di abusi e violazioni nell’uso di tali infrastrutture sta diventando sempre più strategica per garantire alle stesse un adeguato grado di protezione sia dall’esterno che da possibili minacce interne. In questo particolare scenario stanno emergendo prepotentemente molte tecniche per il controllo automatizzato del traffico di rete e basate sulla formulazione di modelli di comportamento normali o anomali del traffico stesso, al
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6

Axelsson, Eva, and Therese Wilson. "Microscopic simulation as an evaluation tool for the road safety of vulnerable road users." Thesis, Linköpings universitet, Kommunikations- och transportsystem, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-130010.

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Traffic safety has traditionally been measured by analyzing historical accident data, which is a reactive method where a certain number of accidents must occur in order to identify the safety problem. An alternative safety assessment method is to use proximal safety indicators that are defined as measures of accident proximity, which is considered a proactive method. With this method it is possible to detect the safety problem before the accidents have happened. To be able to detect problems in traffic situations in general, microscopic simulation is commonly used. In these models it may be po
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Tlačbabová, Jana. "Obvyklá doba pozorování prvků dopravního značení řidičem." Master's thesis, Vysoké učení technické v Brně. Ústav soudního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-233166.

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The thesis deals with usual time and frequency of road traffic signs observation by the driver. In the first part is a literature research, there is described the measuring device called eyetracker, that is used to record the eye movement. Furthermore there are kinds of eyetrackers that are currently used. There is also described traffic signs form 1961 until 2009. The second part draws of the video records from driving tests, which were conducted in the towards of this thesis. The results were processed and evaluated data were determinated to find the usual time of observation of traffic sign
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8

Adolfsson, Sofie. "’The Big Five of Teamwork’ i en flygtrafikledningsdomän : En observationsstudie på Arlanda ATCC." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-149824.

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Idag är många branscher beroende av ett gediget teamwork. Det finns dock ett behov av objektiva mätsystem för teamwork och därför har detta projekt som syfte att skapa och testa ett observationsprotokoll utifrån den teoretiska modellen ’The Big Five of Teamwork’ framtagen av Salas, Sims &amp; Burke (2005). Observationsprotokollet användes för att observera teamwork mellan två flygledare på Arlanda ATCC. Därefter fick flygledarna svara på en enkät för att bidra med subjektiva aspekter från modellen. Totalt genomfördes 15 stycken strukturerade observationer. Resultatet visade at
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9

Peterson, Anders. "The Origin-Destination Matrix Estimation Problem : Analysis and Computations." Doctoral thesis, Norrköping : Dept. of Science and Technology, Linköpings universitet, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-8859.

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10

Malalur, Paresh (Paresh G. ). "Traffic delay prediction from historical observations." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/66444.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 75-77).<br>Road traffic congestion is one of the biggest frustrations for the daily commuter. By improving the currently available travel estimates, one can hope to save time, fuel and the environment by avoiding traffic jams. Before one can predict the best route for a user to take, one must first be able to accurately predict future travel times. In this thesis, we develop a classification-base
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11

Žiliūtė, Laura. "Vilniaus miesto gatvių asfalto dangos funkcionavimo trukmės tyrimai ir vertinimas." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2008. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2008~D_20080620_105544-60804.

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Šiame darbe pateikti duomenys apie Vilniaus miesto gatvių tinklą, jų techninius parametrus, trumpai apžvelgiama Vilniaus miesto gatvių būklė. Nagrinėti pažaidų tipai gatvėse su asfalto danga, pažaidų atsiradimo priežastys bei jų nustatymo metodikos, naudojamos įrangos. Nurodomi transporto eismo intensyvumo matavimo metodai, įranga. Atlikta analizė vizualiai nustatytų asfalto dangos pažaidų vienuolikos gatvių, esančių Vilniau mieste, bei transporto eismo intensyvumo matavimų, naudojant automatinį skaičiuoklį – klasifikatorių Marksman 660. Įvertinta asfalto dangos pažaidų bei transporto eismo in
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12

Xie, Siqi, and 谢思琪. "Observational studies of pedestrian flows." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B49617990.

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Walking is an environmentally friendly mode of transportation. A better understanding of pedestrian activities and effective planning of walking facilities are particularly important for densely populated Asian cities like Hong Kong. Empirical studies on pedestrian flows can be classified as controlled experiments and observational surveys. Controlled experiments are flexible and can be designed to fulfill the requirements of specific studies and eliminate influence from unrelated factors. Observational surveys provide data for pedestrian movements in different types of walking facilities. Th
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13

Knospe, Wolfgang. "Synchronized traffic: microscopic modeling and empirical observations Synchronisierter Verkehr: mikroskopische Modellierung und empirische Beobachtungen." Gerhard-Mercator-Universitaet Duisburg, 2002. http://www.ub.uni-duisburg.de/ETD-db/theses/available/duett-08212002-212839/.

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A detailed analysis of single-vehicle data is presented that sheds some light on the microscopic interaction of the vehicles in the various traffic states. Based on these results an improved cellular automaton model for traffic flow incorporating anticipation effects, reduced acceleration capabilities and an enhanced interaction horizon for braking is proposed. The model is able to reproduce the three phases (free flow, synchronized traffic, and wide jams) observed in real traffic. Furthermore a good agreement with detailed empirical single-vehicle data in all phases can be found. It turns out
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14

Alberdi, Ion. "Malicious trafic observation using a framework to parallelize and compose midpoint inspection devices." Thesis, Toulouse, INSA, 2010. http://www.theses.fr/2010ISAT0008/document.

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Notre thèse stipule qu'au vu de l'ampleur des agissements malveillants dans l'Internet, les logiciels d'extrémité doivent être surveillés. Pour limiter le nombre de points de surveillance, nous proposons de surveiller les logiciels depuis un point d'interconnexion. Nous avons dans ce but conçu Luth, un outil permettant de composer et de paralléliser un ensemble d'inspecteurs de points d'interconnexion (appelés MI) qui implémentent des mini IDS, IPS ou pare-feux, tout en vérifiant la correction et l'optimalité de ces derniers, à l'aide d'un langage de configuration et des algorithmes associés.
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15

Alberdi, Ion. "Malicious trafic observation using a framework to parallelize and compose midpoint inspection devices." Electronic Thesis or Diss., Toulouse, INSA, 2010. http://www.theses.fr/2010ISAT0008.

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Notre thèse stipule qu'au vu de l'ampleur des agissements malveillants dans l'Internet, les logiciels d'extrémité doivent être surveillés. Pour limiter le nombre de points de surveillance, nous proposons de surveiller les logiciels depuis un point d'interconnexion. Nous avons dans ce but conçu Luth, un outil permettant de composer et de paralléliser un ensemble d'inspecteurs de points d'interconnexion (appelés MI) qui implémentent des mini IDS, IPS ou pare-feux, tout en vérifiant la correction et l'optimalité de ces derniers, à l'aide d'un langage de configuration et des algorithmes associés.
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16

Lind-Hård, Viktor. "What meets the eye : Naturalistic observations of air traffic controllers eye-movements during arrivals using eye-tracking." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-159934.

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How do air traffic controllers, or ATCos, distribute visual attention and can it vary between controllers? In this study, using primarily eye-tracking data and a couple of on-site interviews, these questions are explored. Two ATCos, with the most similar landings, had their eye-movements recorded with Tobii pro glasses 2 and further analysed by categorizing every fixation into different areas of interest during four landings. Two more ATCos were interviewed briefly during an observational visit to the control tower. The results showed that the ATCos distributed their attention fairly equally b
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17

Janmyr, Joakim, and Daniel Wadell. "Analysis of vehicle route choice during incidents." Thesis, Linköpings universitet, Kommunikations- och transportsystem, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-150142.

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The use of GPS observations for investigating routing behaviors can be a good alternative to using more traditional traffic simulation models. In this paper, a method for inferring paths from GPS observations is proposed. Further, a route set generation algorithm is implemented. The inferred trips are used for the calibration of the parameters in the route set generation algorithm. The investigated network is part of the Interstate 210 freeway east of Los Angeles, USA. The results shows significant differences in number of eastbound travelers choosing to travel north of, south of, and on the f
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18

Alberdi, Ion. "Observation du trafic malveillant à l'aide d'un cadriciel permettant la composition et la parallélisation d'inspecteurs de points d'interconnexion." Phd thesis, INSA de Toulouse, 2010. http://tel.archives-ouvertes.fr/tel-00486732.

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Notre thèse stipule qu'au vu de l'ampleur des agissements malveillants dans l'Internet, les logiciels d'extrémité doivent être surveillés. Pour limiter le nombre de points de surveillance, nous proposons de surveiller les logiciels depuis un point d'interconnexion. Nous avons dans ce but conçu Luth, un outil permettant de composer et de paralléliser un ensemble d'inspecteurs de points d'interconnexion (appelés MI) qui implémentent des mini IDS, IPS ou pare-feux, tout en vérifiant la correction et l'optimalité de ces derniers, à l'aide d'un langage de configuration et des algorithmes associés.
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19

Prichard, Edward. "Cycling as a Cooperative Act: Observing cyclists' interactions with pedestrians at a zebra crossing in Stockholm." Thesis, KTH, Urbana och regionala studier, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-287279.

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Cycling is undergoing a welcome renaissance, especially in urban contexts. However, there are tensions, in relation to pedestrians, which could negatively affect cycling’s growth. This thesis observes the social interactions and physical reactions of cyclists when co-present with pedestrians at a zebra crossing in central Stockholm. It uses both in-person and video observations with the films being processed using an observiaire, a relatively novel, quantitative method of capturing human behaviours. The results were explored using ideas on the practice of cycling and the street as a social spa
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20

Ackerman, Kathryn R. "A Critical Review of the Procedure to Develop the State Highway Safety Plan." University of Akron / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=akron1613961199444157.

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21

Mekki, Ahmed. "Contribution à la Spécification et à la Vérification des Exigences Temporelles : Proposition d’une extension des SRS d’ERTMS niveau 2." Thesis, Ecole centrale de Lille, 2012. http://www.theses.fr/2012ECLI0006/document.

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Les travaux développés dans cette thèse visent à assister le processus d’ingénierie des exigences temporelles pour les systèmes complexes à contraintes de temps. Nos contributions portent sur trois volets : la spécification des exigences, la modélisation du comportement et la vérification. Pour le volet spécification, une nouvelle classification des exigences temporelles les plus communément utilisées a été proposée. Ensuite, afin de cadrer l’utilisateur durant l’expression des exigences, une grammaire de spécification à base de motifs prédéfinis en langage naturel est développée. Les exigence
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22

Vestin, Albin, and Gustav Strandberg. "Evaluation of Target Tracking Using Multiple Sensors and Non-Causal Algorithms." Thesis, Linköpings universitet, Reglerteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-160020.

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Today, the main research field for the automotive industry is to find solutions for active safety. In order to perceive the surrounding environment, tracking nearby traffic objects plays an important role. Validation of the tracking performance is often done in staged traffic scenarios, where additional sensors, mounted on the vehicles, are used to obtain their true positions and velocities. The difficulty of evaluating the tracking performance complicates its development. An alternative approach studied in this thesis, is to record sequences and use non-causal algorithms, such as smoothing, i
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23

Wang, Cheng Hao, and 汪政儫. "Improving Path Setup Performance of Optical Burst Switching by Traffic State Observation." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/15741504949671011426.

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碩士<br>國立中央大學<br>資訊工程研究所<br>89<br>The technologies of optical networks become more and more mature. The optical burst switching is the most feasible way for transmitting optical data. A burst is a basic atom in optical burst switching networks. A burst is assembled from several packets that will reach the same destination in an edge router. Before burst transmission, the edge needs to send a BHP (burst header packet) to establish a path for burst transmission and wait for an offset time. This paper proposed a method using traffic observation to remove the offset time from bursts. When edge rout
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24

Huang, Chih-Hao, and 黃志豪. "A Study on Observation Effectiveness Between AIS and ARPA in Vessel Traffic Service." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/89119588041985877683.

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碩士<br>國立臺灣海洋大學<br>商船學系所<br>93<br>During the past twenty years, Automatic Radar Plotting Aids (ARPA) and Very High Frequency (VHF) were the primary equipment in Vessel Traffic Service (VTS) for surveillance and communication. In 2002 International Maritime Organization amended the International Convention for the Safety of Life at Sea (SOLAS). Currently all ships of 500 gross tonnage and over have installed Automatic Identification System (AIS). VTS center can use both ARPA and AIS to catch basic information and movements of target ships sailing within coastal waters. Which information is more
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LEE, HSIN-JU, and 李欣儒. "Observation and Analysis on the Traffic Flows of the Vessels Entering/Exiting the Ports in Taiwan." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/yp8jm7.

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碩士<br>國立高雄海洋科技大學<br>航運技術研究所<br>102<br>This research is based on Vessel Automatic Identification System (AIS), Google Earth, and Vessel Traffic Service (VTS) to observe and analyze traffic flow of vessels entering and existing every international port in Taiwan. Analyzing traffic flow of vessels helps to understand the entering and existing circumstances of vessels. Moreover, it helps to improve the services and traffic system at the ports. Furthermore, it helps to increase the efficiency of vessel entering and existing the ports to enhance the safety of seafarers, vessels, cargoes, and the mar
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Lo, Ying-Hao, and 羅英豪. "Research of Viewpoint of Discussion Most Suitable Video Recording Observation System from the Metropolis Traffic Safety Maintence." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/92421679451810126072.

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碩士<br>逢甲大學<br>交通工程與管理所<br>98<br>In the advanced city, the video monitoring system could help to reduce the traffic congestion ,promote the traffic safety and provide the information for the user.Many types of the video monitoring system are available to match the Intelligence transportation system in urban traffic control ,however,the feasible type is hard to decide.The Analytical Hierarchy Process(AHP) was adopted in this study with proposed criterion to estimate the influence factor of the video monitoring system.It is believed that the results from this study will be helpful for improving t
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Martins, Cristiane C. A. "Study of baleen whales’ ecology and interaction with maritime traffic activities to support management of a complex socio-ecological system." Thèse, 2012. http://hdl.handle.net/1866/10799.

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La gestion du milieu marin pour de multiples usages est une problématique de plus en plus en complexe. La création d’aires marines protégées (AMP) a été désignée comme étant une stratégie efficace afin de concilier la conservation avec les autres usages. Cependant, pour atteindre les objectifs de conservation, un plan de gestion bien défini de même qu’un programme de suivi efficace doivent être instaurés. En 1998, le parc marin du Saguenay–Saint-Laurent (PMSSL) a été créé afin de protéger plusieurs écosystèmes important de l’Estuaire du Saint-Laurent. Une industrie d’observation en mer de bale
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