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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

Feature-based decomposition of trimmed surface.

January 2005 (has links)
Wu Yiu-Bun. / Thesis submitted in: September 2004. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2005. / Includes bibliographical references (leaves 122-123). / Abstracts in English and Chinese. / Chapter Chapter 1. --- Introduction --- p.1 / Chapter Chapter 2. --- Previous Works --- p.2 / Chapter 2.1. --- Surface Patch Approach / Chapter 2.2. --- Triangular Facet Approach / Chapter Chapter 3. --- The Decomposition Algorithm --- p.7 / Chapter 3.1. --- Input to the Algorithm / Chapter 3.2. --- Overview of the Algorithm / Chapter 3.2.1. --- Voronoi Diagram Development / Chapter 3.2.2. --- Feature Point Determination / Chapter 3.2.3. --- Correspondence Establishment / Chapter 3.2.4. --- Surface Approximation / Chapter 3.3. --- Output of the Algorithm / Chapter Chapter 4. --- Voronoi Diagram Development --- p.16 / Chapter 4.1. --- Triangulation of the Parametric Space / Chapter 4.1.1. --- Degree of Triangulation / Chapter 4.2. --- Locating Bisectors / Chapter 4.2.1. --- Bisector Centroids / Chapter 4.2.2. --- Sub-triangulation / Chapter 4.3. --- Finalizing Bisectors / Chapter Chapter 5. --- Feature Point Determination --- p.31 / Chapter 5.1. --- Definition of Feature Points / Chapter 5.1.1. --- Continuous Sharp Turns / Chapter 5.1.2. --- Discrete Sharp Turns / Chapter 5.2. --- Parametric Coordinates of Feature Points / Chapter Chapter 6. --- Vertices Correspondence Attachment --- p.42 / Chapter 6.1. --- Validity of Correspondences / Chapter 6.2. --- Shape Normalization / Chapter 6.2.1. --- Normalization with Relative Position / Chapter 6.3. --- Ranking Process / Chapter 6.3.1. --- Forward and Backward Attachment / Chapter 6.3.2. --- Singly Linked Bisector Vertices / Chapter Chapter 7. --- Surface Fitting --- p.58 / Chapter 7.1. --- Parametric Patches / Chapter 7.1.1. --- Definition of Parametric Patch Region / Chapter 7.1.2. --- Local Parametric Coordinate System / Chapter 7.2. --- Parametric Grids / Chapter 7.2.1. --- Sample Points on the Patch Boundary / Chapter 7.2.2. --- Grid Generation / Chapter 7.3. --- Surface Patches Construction / Chapter 7.3.1. --- Knot Vectors / Chapter 7.3.2. --- Control Vertices / Chapter Chapter 8. --- Worked Example --- p.71 / Chapter 8.1. --- Example 1: Deformed Plane 1 / Chapter 8.2. --- Example 2: Deformed Plane 2 / Chapter 8.3. --- Example 3: Sphere / Chapter 8.4. --- Example 4: Hemisphere 1 / Chapter 8.5. --- Example 5: Hemisphere 2 / Chapter 8.6. --- Example 6: Shoe / Chapter 8.7. --- Example 7: Shark Main Body / Chapter 8.8. --- Example 8: Mask 1 / Chapter 8.9. --- Example 9: Mask 2 / Chapter 8.10. --- Example 10: Toy Car / Chapter Chapter 9. --- Result and Analysis --- p.101 / Chapter 9.1. --- Continuity between Patches / Chapter 9.2. --- Special Cases --- p.102 / Chapter 9.2.1. --- Degenerated Patch / Chapter 9.2.2. --- S-Shaped Feature / Chapter 9.3. --- Comparison --- p.105 / Chapter 9.3.1. --- Example 1: Deformed Plane 1 / Chapter 9.3.2. --- Example 2: Deformed Plane 2 / Chapter 9.3.3. --- Example 3: Sphere / Chapter 9.3.4. --- Example 4: Hemisphere 1 / Chapter 9.3.5. --- Example 5: Hemisphere 2 / Chapter 9.3.6. --- Example 6: Shoe / Chapter 9.3.7. --- Example 7: Shark Main Body / Chapter 9.3.8. --- Example 8: Mask 1 / Chapter 9.3.9. --- Example 9: Mask 2 / Chapter 9.3.10. --- Example 10: Toy Car / Chapter Chapter 10. --- Conclusion --- p.119 / References --- p.122
2

Optimization and differential geometry for geometric modeling

Liu, Yang, 劉洋 January 2008 (has links)
published_or_final_version / Computer Science / Doctoral / Doctor of Philosophy
3

Efficient numerical modeling of random surface roughness for interconnect internal impedance extraction

Chen, Quan, 陳全 January 2007 (has links)
published_or_final_version / abstract / Electrical and Electronic Engineering / Master / Master of Philosophy

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