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The modelling of natural imperfections and an improved space filling curve halftoning technique.

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

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_318089
Date January 1994
ContributorsWong, Tien-tsin., Chinese University of Hong Kong Graduate School. Division of Computer Science.
PublisherChinese University of Hong Kong
Source SetsThe Chinese University of Hong Kong
LanguageEnglish
Detected LanguageEnglish
TypeText, bibliography
Formatprint, ix, 79 leaves : ill. (some mounted col.) ; 30 cm.
RightsUse 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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