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Introduction
We propose a simplified approach to modeling the Chinese
hairy brush to mimic a range of essential styles of
dry and wet strokes. The modeling includes a light-weight
3D geometry brush model, a generic brush motion model,
and an efficient method for ink diffusion on the Chinese
fiber paper. We implemented the approach on an ordinary
PC equipped with a pen-based tablet. Although our
modeling is not fully physically based, experimental results
show that when compared with the previous models,
our system is comparable in quality, and because of the
many simplications we adopted, it is interactive in performance.
In addition, the ink dispersion component leads to
various painting effects that are useful for realistic rendering.
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