Hardware-accelerated parallel non-photorealistic volume rendering
NPAR '02 Proceedings of the 2nd international symposium on Non-photorealistic animation and rendering
Real-time watercolor illustrations of plants using a blurred depth test
Proceedings of the 4th international symposium on Non-photorealistic animation and rendering
Interactive watercolor rendering with temporal coherence and abstraction
Proceedings of the 4th international symposium on Non-photorealistic animation and rendering
Visualization in Medicine: Theory, Algorithms, and Applications
Visualization in Medicine: Theory, Algorithms, and Applications
Video watercolorization using bidirectional texture advection
ACM SIGGRAPH 2007 papers
Watercolor inspired non-photorealistic rendering for augmented reality
Proceedings of the 2008 ACM symposium on Virtual reality software and technology
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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 semi-transparent 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.