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Relevant bibliographies by topics / Surveying Triangulation

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Academic literature on the topic 'Surveying Triangulation'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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Journal articles on the topic "Surveying Triangulation"

1

Shin, Hyun Sun, and Jun Hyun Kim. "Implementation of Triangulation Network Mapby Triangulation Point of Surveying Results in Guam Origin Point Region." Journal of the Korean Cadastre Information Association 20, no. 2 (August 31, 2018): 65–82. http://dx.doi.org/10.46416/jkcia.2018.08.20.2.65.

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Cai, Z., W. Liu, G. Luo, and Z. Xiang. "STUDY ON PRACTICAL TECHNOLOGIES OF AERIAL TRIANGULATION FOR REAL SCENE 3D MOELING WITH OBLIQUE PHOTOGRAPHY." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3 (April 30, 2018): 119–21. http://dx.doi.org/10.5194/isprs-archives-xlii-3-119-2018.

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The key technologies in the real scene 3D modeling of oblique photography mainly include the data acquisition of oblique photography, layout and surveying of photo control points, oblique camera calibration, aerial triangulation, dense matching of multi-angle image, building of triangulation irregular network (TIN) and TIN simplification and automatic texture mapping, among which aerial triangulation is the core and the results of aerial triangulation directly affect the later model effect and the corresponding data accuracy. Starting from this point of view, this paper aims to study the practical technologies of aerial triangulation for real scene 3D modeling with oblique photography and finally proposes a technical method of aerial triangulation with oblique photography which can be put into practice.

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Pospíšilová, Lucie, Jiří Pospíšil, and Hana Staňková. "MICRO-NETWORK CREATION IN INDUSTRIAL SURVEYING." Geodesy and Cartography 38, no. 2 (June 29, 2012): 70–74. http://dx.doi.org/10.3846/20296991.2012.692216.

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Industrial surveying is special field of work within engineering surveying. In this article we have documented some procedures and principles which are very special in industrial surveying. A micro-network consists of net points which are set as a base for all surveying in the industry. These points create coordinate system for all measured parts of the machine. For realization of micro-network are used well known geodetic methods such as triangulation, trilateration, levelling or trigonometric high. As horizontal and vertical controls do not exist in a factory hall, a surveyor has to find some different method to start working.

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Liu, Shao Hua, and Jia Hua Zhang. "The Establishment of DEM and its Application in Road Surveying and Designing." Applied Mechanics and Materials 602-605 (August 2014): 783–86. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.783.

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It is so valuable that models merging of Delaunay triangulation are used widely in many applications. This paper researches the algorithm of models merging for Delaunay triangulation. A method for obtaining merged intersection lines and a algorithm for searching fast triangles in the extent of merging intersection lines are proposed, and whole process of models merging are expatiated detailedly. The algorithm is tested in experiments, and the result of experiment shows that this algorithm is very efficient.

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Kadnichanskiy, S. A., M. V. Kurkov, V. M. Kurkov, and Aleksandr Chibunichev. "Certification testing hardware-and-software complex based on unmanned aerial vehicle “Geoscan 401”." Geodesy and Cartography 957, no. 3 (April 20, 2020): 32–38. http://dx.doi.org/10.22389/0016-7126-2020-957-3-32-38.

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The authors present the results of certification testing software-and-hardware complex on the basis of an unmanned aircraft (UAV) “Geoskan 401”, designed for aerial mapping. The substantiation of the need to assess the accuracy characteristics of the photogrammetric processing aerial photos results from the UAV is given. The composition of the complex, the parameters of the test site and the performed aerial photography are given, the order and method of testing are described. Assessment of the aerial triangulation accuracy, creation of a digital elevation model, digital orthophotos and coordinates of marked and unmarked characteristic points (natural contours) of land boundaries and building contours were carried out to confirm the compliance with the requirements of regulatory documents for the implementation of photogrammetric processing, maintenance of the state real estate cadastre and surveying. The values of the spatial data accuracy obtained with the help of a hardware-and-software complex confirm the possibility of using the “Geoskan 401” in real estate cadastre and surveying. Recommendations on the use of hardware and software complex for cadastral and mine surveying works are given.

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6

Batrakova, A., Y. Dorozhko, and V. Yemets. "FEATURES OF CONSTRUCTION OF DIGITAL RELIEF MODEL ACCORDING TO THE RESULTS OF GEODESIC SURVEYING LOCATIONS." Municipal economy of cities 1, no. 161 (March 26, 2021): 104–8. http://dx.doi.org/10.33042/2522-1809-2021-1-161-104-108.

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Topographic maps in digital and electronic forms are created on the basis of available paper topographic maps or on the basis of primary materials of geodetic surveys. Geodetic surveys are performed both by ground methods, without the use of photogrammetric materials, and on the basis of materials obtained as a result of ground phototheodolite or aerial photography. The construction of a digital terrain model is a multi-stage process, which consists of a significant number of interconnected operations performed at the stage of in-house processing of the results of geodetic measurements carried out during engineering and geodetic surveys. The quality of the final result of modeling depends on the quality of each stage of construction of a digital terrain model, so it is extremely important to pay attention to all technological processes of model construction. The digital relief model is considered as an ordered set of triangular faces constructed by the Delaunay algorithm. The main condition of this type of triangulation is that in the middle of the circle described around any triangle can not be the vertex of another triangle. Construction of a digital terrain model based on the results of geodetic surveying of the area in the general case can be divided into several stages. At the beginning, an automated construction of triangulation is performed on the basis of the results of geodetic measurements, which carry information about three-dimensional coordinates of survey points. Allotments adjust the display of horizontals. Regardless of the selected surface display style, the surface model is a grid of triangles. At the next stage of construction of the digital model of a relief carry out visual control of the created model and if necessary carry out editing of elements of a surface and change of position of edges of triangulation for change of position of horizontals. The last stage of building a digital terrain model based on the results of geodetic surveying of the area is the design of modeling results, the application of individual styles of reflection for individual areas of the surface and the creation of mountain strokes and signatures of horizontals.

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7

Fraser, Clive S. "On the role of the surveying engineer in industrial measurement." CISM journal 44, no. 1 (April 1990): 56–60. http://dx.doi.org/10.1139/geomat-1990-0007.

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Over the past five years or so three-dimensional coordinate measuring techniques traditionally associated with surveyors and photogrammetrists have gained a significant place in industrial metrology. Nowhere has this been more apparent than in the automobile, shipbuilding and aerospace manufacturing sectors in the U.S. From the outset, optical triangulation techniques such as digital theodolite systems and automated photogrammetry have been widely employed, but more recently laser trilateration and total station systems have found limited application. In this paper the present role of the surveying engineer in the burgeoning field of industrial measurement is discussed, and prospects for the future are considered. One question that arises regarding the use of surveying technologies in this new area is whether the services and expertise of the surveyor are being called upon at a rate commensurate with that at which the traditional “tools of his trade” are being applied. Although the paper centers on the scene in the U.S. there is reason to believe that trends there will also be witnessed in other countries of the industrialized world.

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Kurkov, V. M., and A. S. Kiseleva. "DEM ACCURACY RESEARCH BASED ON UNMANNED AERIAL SURVEY DATA." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B3-2020 (August 22, 2020): 1347–52. http://dx.doi.org/10.5194/isprs-archives-xliii-b3-2020-1347-2020.

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Abstract. Currently, digital elevation models (DEM) created by photogrammetric method based on unmanned aerial survey data are becoming an increasingly popular product. They are used in various areas of human activity related to modelling and analysis of terrain, namely: topography, engineering and geodetic surveys, surveying, archaeology, geomorphology, etc. The accuracy of digital surface and terrain models obtained by the photogrammetric method depends on the accuracy of aerial triangulation and dense point cloud from a number of overlapping images. In turn, the accuracy of the aerial triangulation is determined by the accuracy of the measurements of the tie points, GCP's / check points and the intersection geometry. When constructing a dense cloud using the SGM algorithm, the quality of the surface/terrain model depends not only on the accuracy of point identification, but also on filtering outliers and rejecting unreliable measurements. This article presents the results of evaluating the accuracy of creating a digital elevation model obtained by various unmanned aerial survey systems on a single test area.

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Jiroušek, Tomáš, Roman Kapica, and Dana Vrublová. "THE TESTING OF PHOTOSCAN 3D OBJECT MODELLING SOFTWARE." Geodesy and cartography 40, no. 2 (June 24, 2014): 68–74. http://dx.doi.org/10.3846/20296991.2014.930251.

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The paper presents triangulation-based accuracy test procedures for PhotoScan 3D modelling software with automatic features including camera station identification, point cloud construction and the generation of polygon networks and polygon net textures. The process starts with establishing the camera resolutions. Then, internal orientation elements of the cameras are established by means of different calibration techniques and comparisons between them are made. 3D models are then tested using diverse model generation parameters and different configurations of sets of images including how each type of calibration affects the resulting 3D model accuracy. To conclude, 3D model accuracy is compared with geodesic surveying results.

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Appelbaum, Nital P., Sally A. Santen, Scott Vota, Lauren Wingfield, Roy Sabo, and Nicholas Yaghmour. "Threats to Reliability and Validity With Resident Wellness Surveying Efforts." Journal of Graduate Medical Education 11, no. 5 (October 1, 2019): 543–49. http://dx.doi.org/10.4300/jgme-d-19-00216.1.

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ABSTRACT Background Residency programs and the Accreditation Council for Graduate Medical Education (ACGME) use survey data for the purpose of program evaluation. A priority for many programs is to improve resident wellness, often relying on self-reported surveys to drive interventions. Objective We tested for result differences on wellness surveys collected through varying survey methodology and identified potential causes for differences. Methods Aggregated results on the resident wellness scale for a single institution were compared when collected electronically through the ACGME Resident Survey immediately following the program evaluation survey for accreditation purposes and anonymously through an internal survey aimed at program improvement. Results Across 18 residency programs, 293 of 404 (73%) residents responded to the internal survey, and 383 of 398 residents (96%) responded to the 2018 ACGME survey. There was a significant difference (P < .001, Cohen's d = 1.22) between the composite wellness score from our internal survey (3.69 ± 0.34) compared to its measurement through the ACGME (4.08 ± 0.30), indicating reports of more positive wellness on the national accreditation survey. ACGME results were also statistically more favorable for all 10 individual scale items compared to the internal results. Conclusions Potential causes for differences in wellness scores between internal and ACGME collected surveys include poor test-retest reliability, nonresponse bias, coaching responses, social desirability bias, different modes for data collection, and differences in survey response options. Triangulation of data through multiple methodologies and tools may be one approach to accurately gauge resident wellness.

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Dissertations / Theses on the topic "Surveying Triangulation"

1

Collier, Jeff. "Examining laser triangulation system performance using a software simulation." Ohio : Ohio University, 1998. http://www.ohiolink.edu/etd/view.cgi?ohiou1176837151.

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Lee, Won Hee. "Bundle block adjustment using 3D natural cubic splines." Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1211476222.

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Books on the topic "Surveying Triangulation"

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Finarevskiĭ, I. I. Postroenie marksheĭderskikh seteĭ metodom analiticheskoĭ fototrianguli͡a︡t͡s︡ii. Moskva: "Nedra", 1987.

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2

Inghirami, Giovanni. Di una triangolazione in Toscana agli inizi dell'Ottocento. Roma: Ministero delle finanze, Istituto poligrafico e Zecca dello Stato, 1996.

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3

Sani, Anthony Parsram. A determination of the maximum acceptable spacing of horizontal and vertical photo control points to be used on Ontario Ministry of Natural Resources municipal map projects. Mississauga: Institute for Land Information Management, University of Toronto, 1991.

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4

Bridgland, Morrison Parsons, b. 1898., Carson, Percy Alexander, b. 1877., and Canada. Dept. of the Interior., eds. Report of the triangulation of the railway belt of British Columbia between Kootenay and Salmon Arm bases: Surveyed by P.A. Carson ..., and M.P. Bridgland ... Ottawa: Govt. Print. Bureau, 1997.

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5

M, Yamashita Kenneth, Doukas Michael P, and Geological Survey (U.S.), eds. Precise level lines at Crater Lake, Newberry Crater, and South Sister, Oregon. [Menlo Park, CA]: U.S. Geological Survey, 1987.

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6

Nikolaevich, Lobanov Alekseĭ, ed. Analiticheskai͡a︡ prostranstvennai͡a︡ fototrianguli͡a︡t͡s︡ii͡a︡. Moskva: "Nedra", 1991.

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Book chapters on the topic "Surveying Triangulation"

1

Shafer, M. Louis. "Triangulation." In The Surveying Handbook, 204–33. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-2067-2_11.

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Shafer, M. Louis. "Triangulation." In The Surveying Handbook, 296–339. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4757-1188-2_10.

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3

Uren, J., and W. F. Price. "Triangulation and Trilateration." In Surveying for Engineers, 163–87. London: Macmillan Education UK, 1985. http://dx.doi.org/10.1007/978-1-349-07348-1_6.

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Uren, J., and W. F. Price. "Triangulation and Trilateration." In Surveying for Engineers, 163–87. London: Macmillan Education UK, 1985. http://dx.doi.org/10.1007/978-1-349-07355-9_6.

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5

Leuenberger, Christine, and Izhak Schnell. "Map-Making and State-Building." In The Politics of Maps, 32–55. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780190076238.003.0003.

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During the 20th century, surveying and mapping became vital tools for states; and colonizers used them to know and claim the land. The Mandate of Palestine’s Survey of Palestine surveyed parts of historic Palestine. Their modernist ethos to register the land converged with Zionist visionaries to make it their own. With the Hagannah looting the Survey of Palestine, the Israeli state-in-the making had access to cartographic material which helped them win the 1948 war and facilitated their statecraft. Post-1948, the Survey of Israel designed a new unified triangulation system, enabling the production of maps. The Israeli state also introduced a novel land tenure system. The seemingly imprecise land allocation practices common during the Ottoman Empire were pitted against a technocratic, modernist conception of land ownership, that, by virtue of its implementation, dispossessed many Arab landholders. However, enforcement of technocratic regulations depends on humans. Indeed, the process of land registration reveals how surveyors who would go to villages to ascertain land rights were the human and, at times, a weak link in doing so. Nevertheless, at the end of this process, 93% of land had become Israeli state land. The transformation in the land regime in Israel/Palestine thus attests to how new legal precepts in tandem with science and technology helped establish a modern, territorially defined state. While the Western scientific and legal paradigm enhanced the transfer of land, it also seemingly legitimized and depoliticized the new land regime, making it seem part of the natural order of things and an inevitable outcome of modernity.

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Conference papers on the topic "Surveying Triangulation"

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Pulwer, S., P. Steglich, C. Villringer, J. Bauer, M. Burger, M. Franz, K. Grieshober, et al. "Triangulation-based 3D surveying borescope." In SPIE Photonics Europe, edited by Christophe Gorecki, Anand K. Asundi, and Wolfgang Osten. SPIE, 2016. http://dx.doi.org/10.1117/12.2225203.

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De Santi, Valentina, Carlo A. Gemignani, Anna Guarducci, and Luisa Rossi. "Rappresentazioni planimetriche, vedutistiche e tridimensionali per la fortificazione di due isole del Mediterraneo occidentale: Elba e Palmaria (secolo XIX)." In FORTMED2020 - Defensive Architecture of the Mediterranean. Valencia: Universitat Politàcnica de València, 2020. http://dx.doi.org/10.4995/fortmed2020.2020.11497.

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Planimetric maps, views and three-dimensional representations for the fortification of two western Mediterranean islands: Elba and Palmaria (nineteenth century)The French expansion and domination in Italy between the Revolutionary Age and the Empire based on a widespread activity of territorial knowledge, which rested in the Corps of Engineers-Geographers and in the Military Genius the main actors. The paper summarizes the results of long research on this activity, carried out in the islands of Elba (Tuscany) and Palmaria (Liguria): two strategic islands in the western Mediterranean. The need to equip the territories dominated by the French with increasingly functional defenses, gave a strong impulse to the renewal of surveying and cartography, with the use of geodetic projections, views and three-dimensional models. Elba example is significant for the complete triangulation of the island connected to the Corsica one (with part of Sardinia and the smaller islands of the Tuscan archipelago). Geographer engineers such as Tranchot, Simonel, Moynet, Puissant worked on these activities and produced some maps and a small model of part of Elba. In the Palmaria example the three-dimensional reproduction (plan-relief) was contextual to the work of Genius engineers who produced a vast and organic corpus of maps of various scales, views, sketches and watercolors, suitable to represent the most complete visualization of the landscapes where to insert defensive buildings. The collaboration between French and Italian engineers took advantage of this first experience in designing some batteries. However, it was the post-Napoleonic decades that made Palmaria island a powerful “fortress island” to defend the entrance to the Gulf of La Spezia, where the military arsenal (commissioned by Cavour and built by Domenico Chiodo) arose.

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Dib, Hazar, Nicoletta Adamo-Villani, and Stephen Garver. "An Interactive Virtual Environment for Teaching "Triangulations and Coordinates Calculations" to Surveying Students." In 2013 17th International Conference on Information Visualisation. IEEE, 2013. http://dx.doi.org/10.1109/iv.2013.58.

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