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Gotowe bibliografie tematyczne / Color computer graphics / Rozprawy doktorskie

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Rozprawy doktorskie na temat „Color computer graphics”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 28 lipca 2024

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1

Rose, Brian J. "Color logic : interactively defining color in the context of computer graphics /." Online version of thesis, 1992. http://hdl.handle.net/1850/11614.

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Fang, Chong he. "A high performance colour graphics display system." Title page, contents and summary only, 1987. http://web4.library.adelaide.edu.au/theses/09SM/09smf2115.pdf.

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Collery, Michael T. "Color in three-dimensional shaded computer graphics and animation." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1102107854.

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Leahy, Thomas G. "Color in computing /." Online version of thesis, 1994. http://hdl.handle.net/1850/11726.

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Hodgkinson, Derek Anthony Martin. "Computer graphics applications in offshore hydrodynamics." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26705.

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The results of hydrodynamic analyses of two problems involving offshore structures are displayed graphically. This form of presentation of the results and the liberal use of colour have been found to significantly help the ease in which the results are interpreted. For the transformation of waves around an artificial island, a time history of the evolution of the regular, unidirectional wave field around an artificial island is obtained. Through the use of colour, regions in which wave breaking occurs have been clearly defined. The numerical technique used is based on the finite element metho

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6

Poe, Daryl Thomas. "One- and two-pass color quantization methods in computer graphics." The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu1335454027.

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Yang, Steve Wuter. "Display of molecular models with interactive computer graphics /." Online version of thesis, 1987. http://hdl.handle.net/1850/10347.

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8

Schmitt, Ryan Daniel. "GPU-Accelerated Point-Based Color Bleeding." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/810.

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Traditional global illumination lighting techniques like Radiosity and Monte Carlo sampling are computationally expensive. This has prompted the development of the Point-Based Color Bleeding (PBCB) algorithm by Pixar in order to approximate complex indirect illumination while meeting the demands of movie production; namely, reduced memory usage, surface shading independent run time, and faster renders than the aforementioned lighting techniques. The PBCB algorithm works by discretizing a scene’s directly illuminated geometry into a point cloud (surfel) representation. When computing the indire

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9

Koutsogiannis, Vassilis. "A study of color image data compression /." Online version of thesis, 1992. http://hdl.handle.net/1850/11060.

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Gibson, Christopher J. "Point-Based Color Bleeding With Volumes." DigitalCommons@CalPoly, 2011. https://digitalcommons.calpoly.edu/theses/533.

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The interaction of light in our world is immensely complex, but with mod- ern computers and advanced rendering algorithms, we are beginning to reach the point where photo-realistic renders are truly difficult to separate from real photographs. Achieving realistic or believable global illumination in scenes with participating media is exponentially more expensive compared to our traditional polygonal methods. Light interacts with the particles of a volume, creating com- plex radiance patterns. In this thesis, we introduce an extension to the commonly used point-based color bleeding (PCB) techni

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11

Cheng, Cheuk Hong. "Color bit-depth expansion for contour removal and demosaicking of spatial varying exposure array for high dynamic range image capturing /." View abstract or full-text, 2009. http://library.ust.hk/cgi/db/thesis.pl?ECED%202009%20CHENG.

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12

Fang, Meng-Tieh Saint-Saëns Camille Saint-Saëns Camille Saint-Saëns Camille. "Colors of the music /." Online version of thesis, 2009. http://hdl.handle.net/1850/10840.

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Chhabra, Vikram. "Reconstructing specular objects with image based rendering using color caching." Link to electronic thesis, 2001. http://www.wpi.edu/Pubs/ETD/Available/etd-0427101-111305.

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Thesis (M.S.)--Worcester Polytechnic Institute.<br>Keywords: scene reconstruction vision, image based rendering, graphics, color consistency, specular objects. Includes bibliographical references (p. 56-57).

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14

Damera-Venkata, Niranjan. "Analysis and design of vector error diffusion systems for image halftoning /." Full text (PDF) from UMI/Dissertation Abstracts International, 2000. http://wwwlib.umi.com/cr/utexas/fullcit?p3004247.

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15

Leung, Wing Pan. "Visual cryptography for color images : formal security analysis and new construction /." access full-text access abstract and table of contents, 2009. http://libweb.cityu.edu.hk/cgi-bin/ezdb/thesis.pl?mphil-cs-b23759100f.pdf.

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Thesis (M.Phil.)--City University of Hong Kong, 2009.<br>"Submitted to Department of Computer Science in partial fulfillment of the requirements for the degree of Master of Philosophy." Includes bibliographical references (leaves 103-108)

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16

Morovič, Ján. "To develop a universal gamut mapping algorithm." Thesis, University of Derby, 1998. http://hdl.handle.net/10545/200029.

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17

Pulli, Kari. "Surface reconstruction and display from range and color data /." Thesis, Connect to this title online; UW restricted, 1997. http://hdl.handle.net/1773/6952.

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18

Onyejekwe, Egondu Rosemary Ezirim. "Using neural networks and abductive modeling for color error reduction in multimedia applications." Ohio : Ohio University, 1995. http://www.ohiolink.edu/etd/view.cgi?ohiou1179949708.

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19

Yang, Hsien-Min 1957. "IC defect detection using color information and image processing." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/276831.

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Most current commercial automated IC inspection systems use gray-level or binary images for IC defect detection in spite of the fact that color permits defect detection where gray-level information is insufficient. Three color image processing techniques including the spectral-spatial clustering, principal components, and hue-saturation-value (HSV) color features have been investigated to evaluate the usefulness of color for IC defect detection. The AMOEBA spectral-spatial clustering algorithm, an un-supervised color segmentation approach, with a sequence of image processing procedures resulte

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20

Parker, Brendan D. "Assessing interpretability of visual symbols of varied colors across demographic profiles /." Online version of thesis, 2010. http://hdl.handle.net/1850/12245.

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21

Rael, Joshua. "Colormoo: An Algorithmic Approach to Generating Color Palettes." Scholarship @ Claremont, 2014. http://scholarship.claremont.edu/cmc_theses/975.

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Selecting one color can be done with relative ease, but this task becomes more difficult with each subsequent color. Colormoo is an online tool aimed at solving this problem. We implement three algorithms for generating color palettes based off of a starting color. Data is collected for each palette that is generated. Our analysis reveals two of the algorithms are preferred, but under different circumstances. Furthermore, we find that users prefer palettes containing colors that are compatible, but not too similar. With refined heuristics, we believe these techniques can be extended and applie

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22

Feeney, Nicholas D. "Point Based Approximate Color Bleeding With Cuda." DigitalCommons@CalPoly, 2013. https://digitalcommons.calpoly.edu/theses/970.

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Simulating light is a very computationally expensive proposition. There are a wide variety of global illumination algorithms that are implemented and used by major motion picture companies to render interesting and believable scenes. Every algorithm strives to find a balance between speed and accuracy. The Point Based Approximate Color Bleeding algorithm is one of the most widely used algorithms in the field today. The Point Based Approximate Color Bleeding(PBACB) global illumination algorithm is based on the central idea that the geometry and direct illumination of the scene can be approximat

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23

Ryan, David B. "Improving Brain-Computer Interface Performance: Giving the P300 Speller Some Color." Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etd/1328.

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Individuals who suffer from severe motor disabilities face the possibility of the loss of speech. A Brain-Computer Interface (BCI) can provide a means for communication through non-muscular control. Current BCI systems use characters that flash from gray to white (GW), making adjacent character difficult to distinguish from the target. The current study implements two types of color stimulus (grey to color [GC] and color intensification [CI]) and I hypotheses that color stimuli will; (1) reduce distraction of nontargets (2) enhance target response (3) reduce eye strain. Online results (n=21) s

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24

Philbrick, Gregory Eric. "Color Relationship Transfer for Digital Painting." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/5552.

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A digital painter uses reference photography to add realism to a scene. This involves making n colors in a painting relate to each other more like n corresponding colors in a photograph, in terms of value and temperature. Doing this manually requires either experience or tedious experimentation. Color relationship transfer performs the task automatically, recoloring n regions of a painting so they relate in value and temperature more like n corresponding regions of a photograph. Relationship transfer also has applications in computational photography. In fact, it introduces a new paradigm for

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25

McLeod, Ryan Nathaniel. "A PROOF OF CONCEPT FOR CROWDSOURCING COLOR PERCEPTION EXPERIMENTS." DigitalCommons@CalPoly, 2014. https://digitalcommons.calpoly.edu/theses/1269.

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Accurately quantifying the human perception of color is an unsolved prob- lem. There are dozens of numerical systems for quantifying colors and how we as humans perceive them, but as a whole, they are far from perfect. The ability to accurately measure color for reproduction and verification is critical to indus- tries that work with textiles, paints, food and beverages, displays, and media compression algorithms. Because the science of color deals with the body, mind, and the subjective study of perception, building models of color requires largely empirical data over pure analytical science.

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26

Lahlou, Mouncef. "Color-Based Surface Reflectance Separation for Scene Illumination Estimation and Rendering." FIU Digital Commons, 2011. http://digitalcommons.fiu.edu/etd/381.

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Given the importance of color processing in computer vision and computer graphics, estimating and rendering illumination spectral reflectance of image scenes is important to advance the capability of a large class of applications such as scene reconstruction, rendering, surface segmentation, object recognition, and reflectance estimation. Consequently, this dissertation proposes effective methods for reflection components separation and rendering in single scene images. Based on the dichromatic reflectance model, a novel decomposition technique, named the Mean-Shift Decomposition (MSD) method,

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Clemens, Alexander. "Investigating the Inclusivity of Face Detection." Scholarship @ Claremont, 2018. http://scholarship.claremont.edu/cmc_theses/1836.

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Face detection refers to a number of techniques that identify faces in images and videos. As part of the senior project exercise at Pomona College, I explore the process of face detection using a JavaScript library called CLMtrackr. CLMtrackr works in any browser and detects faces within the video stream captured by a webcam. The focus of this paper is to explore the shortcomings in the inclusivity of the CLMtrackr library and consequently that of face detection. In my research, I have used two datasets that contain human faces with diverse backgrounds, in order to assess the accuracy of CLMtr

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28

Chien, Chi-Hao. "A comparison study of the implementation of digital camera's RAW and JPEG and scanner's TIFF file formats, and color management procedures for inkjet textile printing applications /." Online version of thesis, 2009. http://hdl.handle.net/1850/10886.

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29

Heath, Andrew Michael. "Colour coding scales and computer graphics." Thesis, Imperial College London, 1986. http://hdl.handle.net/10044/1/38031.

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30

Karlsson, Fredrik. "Matting of Natural Image Sequences using Bayesian Statistics." Thesis, Linköping University, Department of Science and Technology, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2355.

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<p>The problem of separating a non-rectangular foreground image from a background image is a classical problem in image processing and analysis, known as matting or keying. A common example is a film frame where an actor is extracted from the background to later be placed on a different background. Compositing of these objects against a new background is one of the most common operations in the creation of visual effects. When the original background is of non-constant color the matting becomes an under determined problem, for which a unique solution cannot be found. </p><p>This thesis describ

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31

Barros, Renan Sales. "Simulation of human skin pigmentation disorders." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2013. http://hdl.handle.net/10183/78876.

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Nosso trabalho apresenta um modelo de simulação de transtornos de pigmentação humana. Nosso modelo é formado por um conjunto de equações diferenciais que definem um sistema reação-difusão. Nosso sistema simula algumas características do sistema pigmentar humano. Alterações nesse sistema podem levar a desequilíbrios na distribuição de melanina na pele resultando em artefatos conhecidos como lesões de pigmentação. Nosso modelo tem como objetivo reproduzir essas alterações e assim sintetizar lesões de pigmentação humanas. Nosso sistema reação-difusão foi elaborado tomando como base dados biológic

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32

Chandler, Simon Robert. "The development of a colour graphics workstation." Thesis, University of Bath, 1987. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376291.

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Chen, Chih-Ming. "The economic feasibility of Computer-to-Plate technology for use in magazine production /." Online version of thesis, 1995. http://hdl.handle.net/1850/12176.

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Pancholy, Rajiv. "A multiprocessor interface for a colour graphics animation system /." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60110.

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This thesis describes the design and hardware implementation of a high speed multi-processor interface used in a colour graphics animation system. The design involves the use of Direct Memory Access to move data between the memories of the various CPUs constituting the Grads system. The system accommodates the various bus protocols, word sizes, and interrupt schemes of the different processors. An evaluation of the completed system is presented.

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35

He, Yiyang. "A Physically Based Pipeline for Real-Time Simulation and Rendering of Realistic Fire and Smoke." Thesis, Stockholms universitet, Numerisk analys och datalogi (NADA), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-160401.

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With the rapidly growing computational power of modern computers, physically based rendering has found its way into real world applications. Real-time simulations and renderings of fire and smoke had become one major research interest in modern video game industry, and will continue being one important research direction in computer graphics. To visually recreate realistic dynamic fire and smoke is a complicated problem. Furthermore, to solve the problem requires knowledge from various areas, ranged from computer graphics and image processing to computational physics and chemistry. Even though

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36

Veeramoni, Mythili Sankaranarayanan. "How To Color A Map." Diss., The University of Arizona, 2014. http://hdl.handle.net/10150/338714.

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We study the maximum differential coloring problem, where an n-vertex graph must be colored with colors numbered 1, 2...n such that the minimal difference between the two colors of any edge is maximized. This problem is motivated by coloring maps in which not all countries are contiguous. Since it is known that this problem is NP-hard for general graphs; we consider planar graphs and subclasses thereof. In Chapter 1 we introduce the topic of this thesis and in Chapter 2 we review relevant definitions and basic results. In Chapter 3 we prove that the maximum differential coloring problem remain

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37

Willey, Stephen. "Improving the pipeline for stereo post-production." Thesis, University of Bath, 2017. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.760908.

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We investigate some problems commonly found when dealing with stereo images. Working within the context of visual effects for films, we explore software solutions to issues arising with stereo images captured on-set. These images originate from a wide variety of hardware which may or may not provide additional data support for post-production needs. Generic software solutions are thus greatly to be preferred. This dissertation documents contributions in the following three areas. Each project was undertaken at Double Negative and investigated with the aim of improving the post-production pipel

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38

Zhuang, Yuwen. "Metric Based Automatic Event Segmentation and Network Properties Of Experience Graphs." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1337372416.

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39

Miranda, Gisele Helena Barboni. "Método para processamento e análise computacinal de imagens histopatológicas visando apoiar o diagnóstico de câncer de colo de útero." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/95/95131/tde-24012012-154506/.

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A histopatologia é considerada um dos recursos diagnósticos mais importantes na prática médica e caracteriza-se pelo estudo das alterações estruturais e morfológicas das células e dos tecidos causadas por doenças. Atualmente, o principal método utilizado no diagnóstico histopatológico de imagens microscópicas, obtidas por meio de amostras em exames convencionais, é a avaliação visual do patologista, a qual se baseia na experiência do mesmo. O uso de técnicas de processamento computacional de imagens possibilita a identificação de elementos estruturais e a determinação de características ineren

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40

Lefrère, Laurent. "Contribution au développement d'outils pour l'analyse automatique de documents cartographiques." Rouen, 1993. http://www.theses.fr/1993ROUES045.

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Les travaux présentés dans ce mémoire abordent différents aspects de l'analyse de documents cartographiques, du prétraitement couleur à la reconnaissance de toponymes en passant par l'extraction d'objets géographiques. Le premier chapitre est consacré à la classification couleur. Ce prétraitement permet d'obtenir, à partir d'images de cartes numérisées en cyan, magenta, yellow, les plans couleurs rouge, vert, bleu et noir proches des planches-mères ayant permis l'impression des cartes. L'originalité de la segmentation CMY/TS est sa capacité à reconstruire les objets masqués par les superpositi

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41

Chen, Chien-Hsiung. "Color in human-computer interaction." 1998. http://books.google.com/books?id=MMTaAAAAMAAJ.

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Thesis (Ph. D.)--University of Kansas, Special Studies, 1998.<br>eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 183-197).

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Fang, Chong he. "A high performance colour graphics display system." Thesis, 1987. http://hdl.handle.net/2440/110095.

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Lee, Juhyun. "Robust color-based vision for mobile robots." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-12-4770.

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An intelligent agent operating in the real world needs to be fully aware of the surrounding environment to make the best decision possible at any given point of time. There are many forms of input devices for a robot that gather real-time information of the surroundings, such as video cameras, laser/sonar range finders, and GPS to name a few. In this thesis, a vision system for a mobile robot navigating through different illumination conditions is investigated. Many state-of-the-art object recognition algorithms employ methods running on grayscale images, because using color is difficult

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(6623771), In Kwon Choi. "Geo-temporal visualization for tourism data using color curves." Thesis, 2019.

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A study on using colors to represent the floating population of tourists and local residents on the map by each hour in each month. The resulting visualization can assist the decision-making in various areas by providing a vivid description of the movement of people in a day.

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Hayes, Thomas Patrick. "Rapidly mixing Markov chains for graph colorings /." 2003. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:3097114.

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Wen-TiHuang and 黃文帝. "A Photorealistic Computer Graphics Detection Algorithm by Using the Characteristics of Color Filter Array." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/93271205005151438853.

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碩士<br>國立成功大學<br>電腦與通信工程研究所<br>100<br>In recent years, computer graphics technology is constantly in progress, if some people employ the technology in crime, such as falsi cation of identity, or forgeries of scandal photos, the consequences would be disastrous. Thus it makes Photorealistic computer graphics (PRCG) detection to become a major issue of modern technology. In this thesis, a scheme to distinguish photographic images (PIM) from PRCG images by using a periodic phenomenon of variance of pixel values resulting from demosaicing process is proposed. The periodic phenomenon is measured as

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47

"Colorization in Gabor space and realistic surface rendering on GPUs." Thesis, 2011. http://library.cuhk.edu.hk/record=b6075109.

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Based on the construction of Gabor feature space, which is important in applying pixel similarity computations, we formalize the space using rotation-invariant Gabor filter banks and apply optimizations in texture feature space. In image colorizations, the pixels that have similar Gabor features appear similar colors, our approach can colorize natural images globally, without the restriction of the disjoint regions with similar texture-like appearances. Our approach supports the two-pass colorization processes: coloring optimization in Gabor space and color detailing for progressive effects. W

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48

Eichelbaum, Sebastian, Mario Hlawitschka, Bernd Hamann, and Gerik Scheuermann. "Image-space Tensor Field Visualization Using a LIC-like Method." 2012. https://ul.qucosa.de/id/qucosa%3A32504.

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Tensors are of great interest to many applications in engineering and in medical imaging, but a proper analysis and visualization remains challenging. Physics-based visualization of tensor fields has proven to show the main features of symmetric second-order tensor fields, while still displaying the most important information of the data, namely the main directions in medical diffusion tensor data using texture and additional attributes using color-coding, in a continuous representation. Nevertheless, its application and usability remains limited due to its computational expensive and sensitiv

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"The First-Fit Algorithm Uses Many Colors on Some Interval Graphs." Doctoral diss., 2010. http://hdl.handle.net/2286/R.I.8626.

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abstract: Graph coloring is about allocating resources that can be shared except where there are certain pairwise conflicts between recipients. The simplest coloring algorithm that attempts to conserve resources is called first fit. Interval graphs are used in models for scheduling (in computer science and operations research) and in biochemistry for one-dimensional molecules such as genetic material. It is not known precisely how much waste in the worst case is due to the first-fit algorithm for coloring interval graphs. However, after decades of research the range is narrow. Kierstead proved

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Moretti, Giovanni S. "A calculation of colours: towards the automatic creation of graphical user interface colour schemes : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Computer Science at Massey University, Palmerston North, New Zealand." 2010. http://hdl.handle.net/10179/1492.

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Interface colour scheme design is complex, but important. Most software allows users to choose the colours of single items individually and out of context, but does not acknowledge colour schemes or aid in their design. Creating colour schemes by picking individual colours can be time-consuming, error-prone, and frustrating, and the results are often mediocre, especially for those without colour design skills. Further, as colour harmony arises from the interactions between all of the coloured elements, anticipating the overall eff ect of changing the colour of any single element can be difficu

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