NDLI: IMPaSTo: a realistic, interactive model for paint

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IMPaSTo: a realistic, interactive model for paint

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IMPaSTo: a realistic, interactive model for paint

Content Provider	ACM Digital Library
Author	Wendt, Jeremy Baxter, William Lin, Ming C.
Abstract	We present a paint model for use in interactive painting systems that captures a wide range of styles similar to oils or acrylics. The model includes both a numerical simulation to recreate the physical flow of paint and an optical model to mimic the paint appearance.Our physical model for paint is based on a conservative advection scheme that simulates the basic dynamics of paint, augmented with heuristics that model the remaining key properties needed for painting. We allow one active wet layer, and an unlimited number of dry layers, with each layer being represented as a height-field.We represent paintings in terms of paint pigments rather than RGB colors, allowing us to relight paintings under any full-spectrum illuminant. We also incorporate an interactive implementation of the Kubelka-Munk diffuse reflectance model, and use a novel eight-component color space for greater color accuracy.We have integrated our paint model into a prototype painting system, with both our physical simulation and rendering algorithms running as fragment programs on the graphics hardware. The system demonstrates the model's effectiveness in rendering a variety of painting styles from semi-transparent glazes, to scumbling, to thick impasto.
Starting Page	45
Ending Page	148
Page Count	104
File Format	PDF
ISBN	1581138873
DOI	10.1145/987657.987665
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2004-06-07
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Painting systems Non-photorealistic rendering Simulation of traditional graphical styles
Content Type	Text
Resource Type	Article

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