Lee Hoi Chi Angie. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2004. / Includes bibliographical references (leaves 81-86). / Abstracts in English and Chinese. / Abstract --- p.i / 摘要 --- p.ii / Acknowledgements --- p.iii / Table of Content --- p.iv / List of Figures --- p.vii / List of Tables --- p.ix / Chapter 1 --- Introduction --- p.1 / Chapter 2 --- Previous Work --- p.3 / Chapter 2.1 --- Geometry Based Rendering --- p.3 / Chapter 2.1.1 --- Real-Time Shading model --- p.4 / Chapter 2.1.2 --- Ray Tracing --- p.4 / Chapter 2.1.2.1 --- Volume absorption --- p.5 / Chapter 2.1.2.2 --- Light Dispersion --- p.7 / Chapter 2.2 --- Image Based Rendering --- p.8 / Chapter 2.2.1 --- Environment mapping --- p.9 / Chapter 2.2.2 --- Light field Rendering --- p.10 / Chapter 2.2.3 --- Hardware Acceleration --- p.12 / Chapter 3 --- Gemstones --- p.14 / Chapter 3.1 --- Basic optical properties --- p.14 / Chapter 3.2 --- Cutting --- p.17 / Chapter 3.3 --- Gemstone model in the proposed system --- p.18 / Chapter 4 --- Ray Tracing --- p.19 / Chapter 4.1 --- Forward ray tracing --- p.19 / Chapter 4.2 --- Backward ray tracing --- p.20 / Chapter 4.3 --- Recursive ray tracing --- p.21 / Chapter 4.4 --- Ray tracing Algorithm --- p.22 / Chapter 4.4.1 --- Ray/ Plane Intersection Calculation --- p.23 / Chapter 4.4.2 --- Shading Equation --- p.23 / Chapter 4.4.2.1 --- Ambient Lighting --- p.24 / Chapter 4.4.2.2 --- Diffuse Reflection --- p.24 / Chapter 4.4.2.3 --- Specular Reflection --- p.24 / Chapter 4.4.2.4 --- Specular transmission --- p.26 / Chapter 4.4.3 --- Fresnel equations --- p.27 / Chapter 5 --- The Pre-computation stage --- p.29 / Chapter 5.1 --- Ray tracer --- p.29 / Chapter 5.1.1 --- Simplifications --- p.30 / Chapter 5.2 --- Representing Position and Direction of Rays --- p.32 / Chapter 5.2.1 --- Ray-list --- p.33 / Chapter 6 --- The Shading stage --- p.36 / Chapter 6.1 --- Data retrieving process --- p.36 / Chapter 6.2 --- Illumination equation --- p.36 / Chapter 6.2.1 --- R-factor and T-factor --- p.37 / Chapter 6.2.2 --- Illuminations from light source --- p.37 / Chapter 6.2.2.1 --- Diffuse reflection --- p.38 / Chapter 6.2.2.2 --- Specular reflection --- p.38 / Chapter 6.2.2.3 --- Specular transmission --- p.38 / Chapter 6.2.2.4 --- Light Obstruction Test --- p.40 / Chapter 6.2.3 --- Illumination from environment --- p.41 / Chapter 6.2.3.1 --- Virtual Cube --- p.41 / Chapter 6.2.3.2 --- Refraction map of the environment --- p.43 / Chapter 6.2.4 --- Total illumination --- p.44 / Chapter 7 --- Implementation --- p.45 / Chapter 7.1 --- The Gemstone model --- p.45 / Chapter 7.2 --- Pre-computation Stage --- p.47 / Chapter 7.3 --- Shading Stage --- p.48 / Chapter 8 --- Result --- p.55 / Chapter 8.1 --- Variables setting --- p.55 / Chapter 8.1.1 --- R-factor and T-factor --- p.55 / Chapter 8.1.2 --- Specular reflection constant ks --- p.56 / Chapter 8.1.3 --- Color and orientation --- p.56 / Chapter 8.1.4 --- Lighting --- p.57 / Chapter 8.1.5 --- Refractive index --- p.58 / Chapter 8.1.6 --- Transparency --- p.59 / Chapter 8.1.7 --- Background --- p.60 / Chapter 8.2 --- Computational speed --- p.61 / Chapter 8.2.1 --- Analytical results --- p.61 / Chapter 8.2.1.1 --- Pre-computation stage --- p.61 / Chapter 8.2.1.2 --- Shading stage --- p.62 / Chapter 8.2.2 --- Experimental results --- p.62 / Chapter 8.2.2.1 --- Varying number of polygons --- p.62 / Chapter 8.2.2.2 --- Varying the image size --- p.66 / Chapter 8.2.2.3 --- Varying the of number of internal reflection --- p.68 / Chapter 8.3 --- Comparison --- p.71 / Chapter 8.3.1 --- Comparing with real images of gemstone --- p.71 / Chapter 8.3.2 --- Comparing with images created by other renderers --- p.73 / Chapter 8.3.2.1 --- Phong shading model --- p.73 / Chapter 8.3.2.2 --- Design software --- p.74 / Chapter 8.3.2.3 --- Web application software --- p.75 / Chapter 9 --- Conclusion and Future work --- p.77 / Chapter 9.1 --- Conclusion --- p.77 / Chapter 9.2 --- Future work --- p.78 / Reference --- p.81
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_324953 |
| Date | January 2004 |
| Contributors | Lee, Hoi Chi Angie., Chinese University of Hong Kong Graduate School. Division of Automation and Computer-Aided Engineering. |
| Source Sets | The Chinese University of Hong Kong |
| Language | English, Chinese |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, ix, 86 leaves : ill. ; 30 cm. |
| Rights | Use of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/) |
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