Abstract
Line drawing can express meaningful information by ignoring less important or distracting details, and thus becomes a popular shape depiction technique. However, existing methods mainly focused on static data. Although we can apply these methods to animated data frame by frame, it is still not applicable for large scale model due to the high computational cost. In this paper, we present a real time line drawing method for skinned mesh. We exploit the surface normal coherency between neighbouring frames to accelerate the computation of surface normal which is the bottleneck of most line drawing methods. The experimental results show that our method is both efficient and effective.
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