- About
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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
Search results
Showing 1 to 4 of 4 (0.04 seconds)Spelling suggestions: "subject:"have capping"" "subject:"have crapping""
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ArcGIS geodatabase data model for cave science a thesis presented to the Department of Geology and Geography in candidacy for the degree of Master of Science /Addison, Aaron. January 2006 (has links)
Thesis (M.S.)--Northwest Missouri State University, 2006. / The full text of the thesis is included in the pdf file. Title from title screen of full text.pdf file (viewed on January 25, 2008) Includes bibliographical references.
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Finding a sense of landscape with web-based interactive cave mapping : a case study for part of Fitton Cave, Arkansas /Rengstorf, Lucas, January 1900 (has links)
Thesis (M.S.)--Missouri State University, 2009. / "May 2009." Includes bibliographical references (leaves 58-61). Also available online.
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Tafoni caves in quaternary carbonate eolianites examples from the Bahamas /Owen, Athena Marie, January 2007 (has links)
Thesis (M.S.)--Mississippi State University. Department of Geosciences. / Title from title screen. Includes bibliographical references.
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Comparing Structure from Motion Photogrammetry and Computer Vision for Low-Cost 3D Cave Mapping: Tipton-Haynes Cave, TennesseeElmore, Clinton 01 August 2019 (has links)
Natural caves represent one of the most difficult environments to map with modern 3D technologies. In this study I tested two relatively new methods for 3D mapping in Tipton-Haynes Cave near Johnson City, Tennessee: Structure from Motion Photogrammetry and Computer Vision using Tango, an RGB-D (Red Green Blue and Depth) technology. Many different aspects of these two methods were analyzed with respect to the needs of average cave explorers. Major considerations were cost, time, accuracy, durability, simplicity, lighting setup, and drift. The 3D maps were compared to a conventional cave map drafted with measurements from a modern digital survey instrument called the DistoX2, a clinometer, and a measuring tape. Both 3D mapping methods worked, but photogrammetry proved to be too time consuming and laborious for capturing more than a few meters of passage. RGB-D was faster, more accurate, and showed promise for the future of low-cost 3D cave mapping.
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