Adapting line integral convolution for fabricating artistic virtual environment

Jiunn-Shyan Lee; Chung-Ming Wang

doi:10.1117/12.498052

1 April 2003 Adapting line integral convolution for fabricating artistic virtual environment

Jiunn-Shyan Lee, Chung-Ming Wang

Proceedings Volume 4756, Third International Conference on Virtual Reality and Its Application in Industry; (2003) https://doi.org/10.1117/12.498052
Event: Third International Conference on Virtual Reality and Its Application in Industry, 2002, Hangzhou, China

Abstract

Vector field occurs not only extensively in scientific applications but also in treasured art such as sculptures and paintings. Artist depicts our natural environment stressing valued directional feature besides color and shape information. Line integral convolution (LIC), developed for imaging vector field in scientific visualization, has potential of producing directional image. In this paper we present several techniques of exploring LIC techniques to generate impressionistic images forming artistic virtual environment. We take advantage of directional information given by a photograph, and incorporate many investigations to the work including non-photorealistic shading technique and statistical detail control. In particular, the non-photorealistic shading technique blends cool and warm colors into the photograph to imitate artists painting convention. Besides, we adopt statistical technique controlling integral length according to image variance to preserve details. Furthermore, we also propose method for generating a series of mip-maps, which revealing constant strokes under multi-resolution viewing and achieving frame coherence in an interactive walkthrough system. The experimental results show merits of emulating satisfyingly and computing efficiently, as a consequence, relying on the proposed technique successfully fabricates a wide category of non-photorealistic rendering (NPR) application such as interactive virtual environment with artistic perception.

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Jiunn-Shyan Lee and Chung-Ming Wang "Adapting line integral convolution for fabricating artistic virtual environment", Proc. SPIE 4756, Third International Conference on Virtual Reality and Its Application in Industry, (1 April 2003); https://doi.org/10.1117/12.498052

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KEYWORDS

Virtual reality

Convolution

Photography

Image filtering

Light sources and illumination

Visualization

Raster graphics

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