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Color-based Stippling for Non-Photorealistic Rendering  

Jang Seok (중앙대학교 영상공학과)
Hong Hyun-Ki (중앙대학교 영상공학과)
Publication Information
Journal of KIISE:Computer Systems and Theory / v.33, no.1_2, 2006 , pp. 128-136 More about this Journal
Abstract
The stippling techniques, which represent objects with numerous points using pen and ink. The previous stippling techniques for Non-Photorsealistc Rendering(NPR) use single-colored points to represent the tone of gray image ur the material of surface. This paper presents a new stippling technique with various colored points based on the analysis of color information. By using the color information of the input image on HSV model, we define the color weight function that allows to determine automatically the number and size of points. The color jittering based on Munsell's color model can generate stippling drawings using various colored points to represent the image. Our color stippling method is expected to be used in many areas such as animation, digital art, video processing and CG tool.
Keywords
stippling; Non-Photorealistic Rendering; HSV color model; color jittering; Penrose sampling;
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