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  • About
  • 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.
1

Computing transformation in an irregular teeth set

Seshagiri, Naveen Krishnamoorthy 20 February 2012 (has links)
The research evaluates the feasibility of assisting orthodontists to treat irregularities in teeth by computing the transformations to move each tooth to its ideal position. The intent is to help orthodontists craft a precise and specific treatment plan for each patient. Computation of the transformations is achieved through the use of a reverse engineering package, Geomagic Studio, and a three dimensional modeling program, Rhino3D. The inputs for finding the transformation are the patient's teeth mold and dental arch templates. A 3D laser scanner is used to form a point cloud data representation of the patient's teeth mold. Geomagic is used to construct a Non-Uniform Rational B-Spline surface for the mold. Rhino3D is used to manipulate this surface and compute the required transformations using the scripting platform, Rhinoscript, in Rhino3D. The steps in the process and the algorithms developed in Rhinoscript to compute the transformations are discussed. Three case studies are presented to demonstrate the process. / text
2

Minimalistická reprezentace modelu areálu Božetěchova / Minimal Representation of the Božetěchova Complex

Král, Tomáš Unknown Date (has links)
The document describes developing graphical application with limited size. It describes suitable techniques for a polygonal mesh's compression. The second part is focused on practical usage of this techniques for developing scene in 3D modeling environment and also describes how to transfer this model to the executable file. The work attends to optimalizations of source code compilation and executables compression at the final chapters.

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