by Tien-tsin Wong. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1994. / Includes bibliographical references (leaves 72-79). / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- The Modelling of Natural Imperfections --- p.1 / Chapter 1.2 --- Improved Clustered-dot Space Filling Curve Halftoning Technique --- p.2 / Chapter 1.3 --- Structure of the Thesis --- p.3 / Chapter 2 --- The Modelling of Natural Imperfections --- p.4 / Chapter 2.1 --- Introduction --- p.4 / Chapter 2.2 --- Related Work --- p.6 / Chapter 2.2.1 --- Texture Mapping --- p.6 / Chapter 2.2.2 --- Blinn's Dusty Surfaces --- p.7 / Chapter 2.2.3 --- Imperfection Rule-based Systems --- p.7 / Chapter 2.3 --- Natural Surface Imperfections --- p.8 / Chapter 2.3.1 --- Dust Accumulation --- p.8 / Chapter 2.3.2 --- Scratching --- p.10 / Chapter 2.3.3 --- Rusting --- p.10 / Chapter 2.3.4 --- Mould --- p.11 / Chapter 2.4 --- New Modelling Framework for Natural Imperfections --- p.13 / Chapter 2.4.1 --- Calculation of Tendency --- p.13 / Chapter 2.4.2 --- Generation of Chaotic Pattern --- p.19 / Chapter 2.5 --- Modelling of Dust Accumulation --- p.21 / Chapter 2.5.1 --- Predicted Tendency of Dust Accumulation --- p.22 / Chapter 2.5.2 --- External Factors --- p.24 / Chapter 2.5.3 --- Generation of Fuzzy Dust Layer --- p.30 / Chapter 2.5.4 --- Implementation Issues --- p.31 / Chapter 2.6 --- Modelling of Scratching --- p.31 / Chapter 2.6.1 --- External Factor --- p.32 / Chapter 2.6.2 --- Generation of Chaotic Scratch Patterns --- p.35 / Chapter 2.6.3 --- Implementation Issues --- p.36 / Chapter 3 --- An Improved Space Filling Curve Halftoning Technique --- p.39 / Chapter 3.1 --- Introduction --- p.39 / Chapter 3.2 --- Review on Some Halftoning Techniques --- p.41 / Chapter 3.2.1 --- Ordered Dither --- p.41 / Chapter 3.2.2 --- Error Diffusion and Dither with Blue Noise --- p.42 / Chapter 3.2.3 --- Dot Diffusion --- p.43 / Chapter 3.2.4 --- Halftoning Along Space Filling Traversal --- p.43 / Chapter 3.2.5 --- Space Diffusion --- p.46 / Chapter 3.3 --- Improvements on the Clustered-Dot Space Filling Halftoning Method --- p.47 / Chapter 3.3.1 --- Selective Precipitation --- p.47 / Chapter 3.3.2 --- Adaptive Clustering --- p.50 / Chapter 3.4 --- Comparison With Other Methods --- p.57 / Chapter 3.4.1 --- Low Resolution Observations --- p.57 / Chapter 3.4.2 --- High Resolution Printing Results --- p.58 / Chapter 3.4.3 --- Analytical Comparison --- p.58 / Chapter 4 --- Conclusion and Future Work --- p.69 / Chapter 4.1 --- The Modelling of Natural Imperfections --- p.69 / Chapter 4.2 --- An Improved Space Filling Curve Halftoning Technique --- p.71 / Bibliography --- p.72
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_318089 |
| Date | January 1994 |
| Contributors | Wong, Tien-tsin., Chinese University of Hong Kong Graduate School. Division of Computer Science. |
| Publisher | Chinese University of Hong Kong |
| Source Sets | The Chinese University of Hong Kong |
| Language | English |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, ix, 79 leaves : ill. (some mounted col.) ; 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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