Non-photorealistic rendering using watercolor inspired textures and illumination

Eric B. Lum; Kwan-Liu Ma

doi:10.1109/PCCGA.2001.962888

Non-photorealistic rendering using watercolor inspired textures and illumination

Eric B. Lum, Kwan-Liu Ma

Computer Science

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

31 Scopus citations

Abstract

In this paper, we present a watercolor inspired method for the rendering of surfaces. Our approach mimics the watercolor process by building up an illuminated scene through the compositing of several layers of semitransparent paint. The key steps consist of creating textures for each layer using LIC of Perlin Noise, and then calculating the layer thickness distribution using an inverted subtractive lighting model. The resulting watercolor-style images have color coherence that results from the mixing of a limited palette of paints. The new lighting model helps to better convey large shape changes, while texture orientations give hints of less dominant features. The rendered images therefore possess perceptual clues to more effectively communicate shape and texture information.

Original language	English (US)
Title of host publication	Proceedings - 9th Pacific Conference on Computer Graphics and Applications, Pacific Graphics 2001
Publisher	IEEE Computer Society
Pages	322-330
Number of pages	9
Volume	2001-January
ISBN (Electronic)	0769512275
DOIs	https://doi.org/10.1109/PCCGA.2001.962888
State	Published - Jan 1 2001
Event	9th Pacific Conference on Computer Graphics and Applications, Pacific Graphics 2001 - Tokyo, Japan Duration: Oct 16 2001 → Oct 18 2001

Other

Other	9th Pacific Conference on Computer Graphics and Applications, Pacific Graphics 2001
Country/Territory	Japan
City	Tokyo
Period	10/16/01 → 10/18/01

ASJC Scopus subject areas

Software
Computer Graphics and Computer-Aided Design
Modeling and Simulation

Access to Document

10.1109/PCCGA.2001.962888

Cite this

Lum, EB & Ma, K-L 2001, Non-photorealistic rendering using watercolor inspired textures and illumination. in Proceedings - 9th Pacific Conference on Computer Graphics and Applications, Pacific Graphics 2001. vol. 2001-January, 962888, IEEE Computer Society, pp. 322-330, 9th Pacific Conference on Computer Graphics and Applications, Pacific Graphics 2001, Tokyo, Japan, 10/16/01. https://doi.org/10.1109/PCCGA.2001.962888

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AB - In this paper, we present a watercolor inspired method for the rendering of surfaces. Our approach mimics the watercolor process by building up an illuminated scene through the compositing of several layers of semitransparent paint. The key steps consist of creating textures for each layer using LIC of Perlin Noise, and then calculating the layer thickness distribution using an inverted subtractive lighting model. The resulting watercolor-style images have color coherence that results from the mixing of a limited palette of paints. The new lighting model helps to better convey large shape changes, while texture orientations give hints of less dominant features. The rendered images therefore possess perceptual clues to more effectively communicate shape and texture information.

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BT - Proceedings - 9th Pacific Conference on Computer Graphics and Applications, Pacific Graphics 2001

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Non-photorealistic rendering using watercolor inspired textures and illumination

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