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Thèses sur le sujet « Topographic database »
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1
Li, Fang. « An automated generalized system for large scale topographic maps ». Thesis, University of Reading, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387080.
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Dunkars, Mats. « Multiple representation databases for topographic information ». Doctoral thesis, Stockholm, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-80.
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Khakimbayev, Jasur S. « Development of integrated 3D terrain maps for Unmanned Aerial Vehicle (UAV) Flight and Mission Control Support System (FMCSS) ». Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2006. http://library.nps.navy.mil/uhtbin/hyperion/06Mar%5FKhakimbayev.pdf.
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Thesis (M.S. in Modeling, Virtual Environments, and Simulation (Moves))--Naval Postgraduate School, March 2006.Thesis Advisor(s): Wolfgang Baer, Curtis L. Blais. "March 2006." Includes bibliographical references (p.99-101). Also available online.
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Paraskeva, Charalambos. « Chronology, topography and social change : a multi-linear perspective on the Chalcolithic to Bronze Age transition in Cyprus ». Thesis, University of Edinburgh, 2016. http://hdl.handle.net/1842/25675.
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Theories of socio-cultural change regarding the transition from the Chalcolithic to the Bronze Age in Cyprus have since the nascence of prehistoric archaeology on the island been the subject of lively debate between archaeologists who argue for internal versus external evolution processes. Yet, despite all efforts, a coherent model explaining the evident material culture differences between the two epochs remains elusive, an indication that the current polarization of theories masks inherent complexities of the archaeological record. Moving beyond the internal/external dichotomy, the present thesis argues for one such explanatory model and approaches this notable transition from three distinct and less explored aspects, namely chronology, pottery analysis and topography. Starting with chronology, the thesis assesses previous chronological schemata, examines issues of methodology, performs an in-depth data quality analysis, and, on the basis of the creative dialogue between absolute and relative dating data, proposes a novel chronology for the island. This chronology transcends linearity by adopting cultural period overlaps and differential regional adoption of technologies. Moving to spatial matters, the study disentangles space-time systematics for sites dating from the Middle Chalcolithic to the Philia Phase. In effect, it establishes a ceramic typology for the Chalcolithic that is applicable to the entire island; clarifies and records in a custom-made recording system, dubbed CARMA (Cyprus ARchaeological MAterials Relational Database System), the research history and material assemblages of each site; situates sites in the physical landscape of Cyprus and performs socio-spatial analyses, where the results of pottery analysis are interwoven with the spatial relationships between sites. The last analysis provides positive evidence for cultural uniformity in the Middle Chalcolithic, for the emergence of regional cultures in the Late Chalcolithic and the abandonment of settlements at the beginning of the Philia Phase, and for the co-existence of spatially distinct cultures during the Philia Phase. Lastly, the results of the chronology and spatial studies inform the data synthesis in the final section, where a different narrative of socio-cultural change is developed. This argues for the emergence of divergences already in the Late Chalcolithic, for the co-existence and uneven bi-directional interaction of indigenous and foreign populations during the Philia Phase, and for the development of regionalism in the Early Bronze Age as a result of variable adoption of technologies, entanglement and resistance to cultural identity assimilation.
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Abadie, Nathalie. « Formalisation, acquisition et mise en œuvre de connaissances pour l’intégration virtuelle de bases de données géographiques : les spécifications au cœur du processus d’intégration ». Thesis, Paris Est, 2012. http://www.theses.fr/2012PEST1054/document.
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Cette thèse traite de l'intégration de bases de données topographiques qui consiste à expliciter les relations de correspondance entre bases de données hétérogènes, de sorte à permettre leur utilisation conjointe. L'automatisation de ce processus d'intégration suppose celle de la détection des divers types d'hétérogénéité pouvant intervenir entre les bases de données topographiques à intégrer. Ceci suppose de disposer, pour chacune des bases à intégrer, de connaissances sur leurs contenus respectifs. Ainsi, l'objectif de cette thèse réside dans la formalisation, l'acquisition et l'exploitation des connaissances nécessaires pour la mise en œuvre d'un processus d'intégration virtuelle de bases de données géographiques vectorielles. Une première étape du processus d'intégration de bases de données topographiques consiste à apparier leurs schémas conceptuels. Pour ce faire, nous proposons de nous appuyer sur une source de connaissances particulière : les spécifications des bases de données topographiques. Celles-ci sont tout d'abord mises à profit pour la création d'une ontologie du domaine de la topographie. Cette ontologie est utilisée comme ontologie de support, dans le cadre d'une première approche d'appariement de schémas de bases de données topographiques, fondée sur des techniques d'appariement terminologiques et structurelles. Une seconde approche, inspirée des techniques d'appariement fondées sur la sémantique, met en œuvre cette ontologie pour la représentation des connaissances sur les règles de sélection et de représentation géométrique des entités géographiques issues des spécifications dans le langage OWL 2, et leur exploitation par un système de raisonnementThis PhD thesis deals with topographic databases integration. This process aims at facilitating the use of several heterogeneous databases by making the relationships between them explicit. To automatically achieve databases integration, several aspects of data heterogeneity must be detected and solved. Identifying heterogeneities between topographic databases implies comparing some knowledge about their respective contents. Therefore, we propose to formalise and acquire this knowledge and to use it for topographic databases integration. Our work focuses on the specific problem of topographic databases schema matching, as a first step in an integration application. To reach this goal, we propose to use a specific knowledge source, namely the databases specifications, which describe the data implementing rules. Firstly, they are used as the main resource for the knowledge acquisition process in an ontology learning application. As a first approach for schema matching, the domain ontology created from the texts of IGN's databases specifications is used as a background knowledge source in a schema matching application based on terminological and structural matching techniques. In a second approach, this ontology is used to support the representation, in the OWL 2 language, of topographic entities selection and geometry capture rules described in the databases specifications. This knowledge is then used by a reasoner in a semantic-based schema matching application
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Qatarneh, Sharif. « Development of a Whole Body Atlas for Radiation Therapy Planning and Treatment Optimization ». Doctoral thesis, Stockholm : Stockholm university & ; Karolinska institutet, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-803.
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Cheng, yu-lin, et 鄭毓麟. « A Study of Quality Examination Standard Model for GIS Topographic Database ». Thesis, 2003. http://ndltd.ncl.edu.tw/handle/99883635712005824870.
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碩士逢甲大學
土地管理所
92
Abstract The Topographic in scale of 1:5000 to 1:50000 have been established positively since 1965 in Taiwan. In these years, the large scale topographic were essential because of the county governments developed the local constructions. And that the quality of topographic data affects the plan execution, policy decision and tactic results. So during the topographic building time slice, the topographic data quality of examination is vital. Depending on the above reasons, this study confer with the quality examination standard model for GIS topographic database and then the results can be treated as the basis of quality examination for GIS topographic database. First of all, this research concludes six elements that affect the quality of spatial database as follows: (1) database field format, (2) database completeness, (3) database logical consistency, (4) map-alignment inside database, (5) the relationship of map and attribute data inside database, (6) attribute data accuracy. This study takes the six elements as the basis to design the standard quality examination method for GIS topographic database. Next step of this study, considers the spatial characteristic of GIS database, accordingly the original data lie in spatial distribution. Therefore the density of the spatial data distribution is also a consideration. This study integrated the traditional sampling method and data distributive characteristic to choose the proper method for the examination of GIS topographic database. The numbers of exam samples are depending upon population distributive density percent in the Urban-Land-Use-Map. Finally, this research investigates at actual data samples to examine the data spatial accuracy and attribute correctness. This study used the ANOVA to discuss the difference among the 5%, 7%, and 10% samples, and the result is almost the same ( α＝0.05，confidence level ＝ 95％). This result shows that we can use the 5% samples to achieve the goal of quality examination for GIS topographic database.
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Vojtíšková, Zuzana. « Generalizace cestní sítě v topografických mapách ». Master's thesis, 2017. http://www.nusl.cz/ntk/nusl-355907.
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Generalization of Road Network in Topographic Map Abstract The diploma thesis presents automated selection of the elements of path network. The review deals with this term and describes its position in map generalization process; the ways of path thinning apllied in the main Czech cartography institutions are reviewed too. Next part of the thesis describes the data and the tools that are applied in the proposed method. The main part introduces the suggested method of selecting elements of path network which was implemented on the test data. Keywords: map generalization, path network, path thinning, graph theory, ZABAGED, ArcGIS, Python, NetworkX
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Ravanbakhsh, Mehdi [Verfasser]. « Road junction extraction from high resolution aerial images assisted by topographic database information / von Mehdi Ravanbakhsh ». 2008. http://d-nb.info/990992411/34.
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Štysová, Lucie. « Srovnání dat RÚIAN / ISKN a ZABAGED s důrazem na land use / land cover ». Master's thesis, 2015. http://www.nusl.cz/ntk/nusl-334689.
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The goal of this diploma thesis is to propose a proper method of comparison and quantification of differences in RÚIAN / ISKN and ZABAGED databases with respect to their specifics, while focusing on descriptive part of the data reflecting land use / land cover. This proposal is implemented using automated means of geographic information systems and the methodology is tested on sufficient number of appropriate areas. The theoretical part introduces with a possibility to compare datasets in general and with the characteristics of the both databases, with focus on their attribute part describing land use / land cover. The practical part consists of the design of comparison, methodology implementation description and testing of the whole design as well as testing of those individual components that influence the result of the comparison. Result of this thesis is a methodology and software (scripts) for comparison of RÚIAN / ISKN and ZABAGED databases.
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Kutišová, Tereza. « Využití dat LLS pro aktualizaci silniční sítě ». Master's thesis, 2019. http://www.nusl.cz/ntk/nusl-397127.
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Utilization of ALS data for update of a road network Abstract My thesis concerned problematics of automatic detection of communication data from aerial laser scanning. Goal of this method is to identify area of roads - tarmacs as accurate as possible. On its basis are counted attributes of specific parts. In first part of the thesis are summarized known procedures, which are used to deal with the issue and experiences and evaluation of the output of theirs authors. In practical part of the thesis is described procedure methodology, which is based on findings from the literature review. Subsequently, input data and model areas are introduced. In the final parts are described results and compared with the results of authors, who used such evaluation in their work. Key words: airborne laser scanning, digital topographic database, road network, database update
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Lysák, Jakub. « Topografické mapování skalních útvarů s využitím dat leteckého laserového skenování ». Doctoral thesis, 2016. http://www.nusl.cz/ntk/nusl-352067.
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Abstract This thesis focuses on topographic mapping of rock formations with the use of new technologies in a comprehensive manner, from airborne laser scanning (ALS) data acquisition and processing in rocky terrains, followed by their processing to the content of topographic databases and their cartographic processing in maps. The introduction discusses issues of importance for practice, and the relation between topographic mapping of rocks and other fields of human activity. The ALS section describes products for topographic mapping of rocks derived from ALS data, and discusses the specifics of ALS data acquisition and processing in wooded rugged terrain. Existing solutions of this problem are explained and their limitations are identified. Author's own approaches to solving this task are presented as case studies, including three made a further three designed experiments with ALS data processing and evaluation of their results. Recommendation regarding mapping of sandstone landscapes in Czechia have been also addressed. The topographic section describes the current representation of rocks and related objects in the ZABAGED database (Czech national digital topographic database), explains the historical context, analyzes this data and identifies their shortcomings in relation to the ALS. Research...
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Šákrová, Michaela. « Sesuvy, sutě a další méně obvyklé terénní prvky v topografických databázích a digitální kartografii ». Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-336912.
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Landslides, scree and other specific terrain objects in topographical databases and digital cartography Abstract Topographic maps capture detailed information about terrain. In traditional analogous way of creating these maps, understandable and illustrating cartographic symbology was used. However, certain spheres of symbology were modified with transition to digital topographic databases and digital cartography. Now they carry less information and are less illustrative. Main cause of this inaccuracy is imperfection of the cartographic software, which is unable to create appropriate symbology. This diploma thesis tries to solve aforesaid problem for some specific terrain objects as scree and landslides. These shapes are distinctive geomorphologic phenomenon in terrain, but they are often neglected as their occurrence in our territory is infrequent. Key words: topographic maps, digital cartography, scree, landslide, specific terrain object
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Leigh, Holly Wallis. « Development of onboard digital elevation and relief databases for the advanced topographic laser altimeter system ». Thesis, 2013. http://hdl.handle.net/2152/23681.
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The Ice, Cloud, and land Satellite-2 (ICESat-2) is planned to launch in 2016 carrying the Advanced Topographic Laser Altimeter System (ATLAS). ATLAS will be the first space-based photon-counting laser altimeter to be put into operation, and is tasked with observing the Earth’s ice sheets, sea ice, and vegetation.
The environment in which ATLAS will be operating is expected to introduce a significant amount of noise into the received signal; this necessitates that a set of onboard Receiver Algorithms be developed to reduce the data volume and data rate to acceptable levels while still transmitting the relevant ranging data. The algorithms make use of signal processing techniques, along with three databases, the Digital Elevation Model (DEM), the Digital Relief Map (DRM), and the Surface Reference Mask (SRM), to find the signal and determine the appropriate dynamic range of vertical data surrounding the surface for downlink. The focus of this study is the development of the DEM and DRM databases.
A number of elevation data sets are examined for use as inputs for the databases. No global data sets of sufficient quality and resolution are available for the development of the project, so best-available regional elevation data sets were selected instead. Software was developed in MATLAB to produce the DEM and DRM data bases from the input data sets. A method for calculating relief from a gridded elevation data set along the flight path of a satellite was developed for the generation of relief maps used to create the DRM. Global DEM and DRM databases were produced by mosaicking individual DEM and DRM tiles from each input data set into global grids.
A technique was developed to determine the accuracy of the DRM by using ICESat ground elevations to evaluate the accuracy of an input elevation data set. By comparing values of DRM accuracy to values of DRM relief, estimates of DRM accuracy as a function of relief magnitude were determined and used to define values of DRM padding in the receiver algorithm.text
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Choi, Jongho. « Long nonlinear water waves over a periodic bottom topography ». 2000. http://www.library.wisc.edu/databases/connect/dissertations.html.
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Sheesley, Benjamin C. « Typebrewer : design and evaluation of a help tool for selecting map topography / ». 2007. http://www.library.wisc.edu/databases/connect/dissertations.html.
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Lo, Chong-Hou, et 羅頌濠. « Construction of Object-Relational Spatial Databases – A Methodology for Restructuring Geographic Objects from Large-Scale Digital Topographic Maps ». Thesis, 2004. http://ndltd.ncl.edu.tw/handle/07355769838084271341.
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碩士國立成功大學
測量工程學系碩博士班
92
ABSTRACT Digital topographic maps contain large amount of geographic information which are widely used in GIS applications. In digital maps, graphical primitives are used to represent the spatial and non-spatial components of the real world phenomenon. In GIS, however, the operable data must be organized into objects. That is why restructuring is required before using the digital topographic maps in the GIS. Different GIS organizations repeat the same restructuring process which is a waste of resource. This thesis presents a methodology of building spatial database using large-scale digital topographic maps by restructuring the graphical primitives into geographic objects which are based on the OGC Simple Feature Specifications. An experimental system for restructuring has been developed to show the feasibility of this methodology. The result of our research shows that the effectiveness of restructuring is closely related to the map production and data collecting strategies. This thesis also proposes several suggestions, which are intended to achieve higher efficiency with minimum additional cost, by changing the data collecting process and criteria.
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Hance, James Johnathan. « Submarine slope stability based on M.S. Engineering thesis : development of a database and assessment of seafloor slope stability based on published literature / ». 2003. http://www.mms.gov/tarprojects/421/Hance.pdf.
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Thesis (M.S. in Engineering)--University of Texas at Austin, 2003.Title from title screen; viewed on 02/13/07. "Project report prepared for the Minerals Management Service, under the MMS/OTRC cooperative research agreement, 1465-01-99 CA-31003, task order 18217, MMS project 421." "August 2003." "OTRC Library Number: 8/03B121." Includes bibliographical references.