non-photorealistic rendering (NPR), line drawings, temporal coherence, stylized strokes
Temporal coherence is one of the central challenges for rendering a stylized line. It is especially difficult for stylized contours of coarse meshes or non-uniformly sampled models, because those contours are polygonal feature edges on the models with no continuous correspondences between frames. We describe a novel and simple technique for constructing a 2D brush path along a 3D contour. We also introduce a 3D parameter propagation and re-parameterization procedure to construct stroke paths along the 2D brush path to draw coherently stylized feature lines with a wide range of styles. Our method runs in real-time for coarse or non-uniformly sampled models, making it suitable for interactive applications needing temporal coherence.
Tsinghua University Press
Liming Lou, Lu Wang, Xiangxu Meng. Stylized strokes for coherent line drawings. Computational Visual Media 2015, 1(1): 79-89.