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Using Terrestrial Photogrammetry and GPS for More Efficient and Effective Mortgage Surveys

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Title: Using Terrestrial Photogrammetry and GPS for More Efficient and Effective Mortgage Surveys
Creators: Adams, Jarrod
Advisor: Hazelton, Bill; Brzezinska, Dorota
Issue Date: 2006-06
Abstract: In today’s ever changing world, there is an abundance of new technology that immerges weekly. Today it seems that almost everyone owns, uses, or has used essences of this technology in the form of cellular phones, GPS navigation systems, and digital cameras. The use of these instruments is invaluable to many of us, whether it be for work or leisure. But are these tools able to reach the required standards for measuring in engineering practices? What are the limits of this technology? In the surveying world, photogrammetric means for obtaining data and establishing control are used daily. Aero triangulation has been around for over half a century and has changed the entire process of project design. The ability to obtain top precision from aerial photos tied in with existing ground control can not only lower costs of design, but make them much more efficient. With the introduction of GPS receivers on the plane during flight the process is even more streamline. However the transferring this process to the ground in a terrestrial format has not been covered as extensively. In this project, the use of terrestrial photogrammetry and GPS was investigated as to its quality and reliability for mortgage surveys. These are simple, low-precision surveys that are regularly performed in Ohio. The results indicate that a suitable instrument that combined the features of differential GPS and reliable digital imagery would be able to be used for these types of surveys.
Series/Report no.: The Ohio State University. Department of Civil and Environmental Engineering and Geodetic Science Honors Theses; 2006
Keywords: Photogrammetry
Mortgage Survey
URI: http://hdl.handle.net/1811/6499
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