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木刻版画是一种以刀为笔,以板为纸的绘画艺术,云南绝版套刻是它的一种延伸。通过在同一块木板上的多次套印而产生色彩重叠的效果。结合云南绝版套刻的创作过程,我们提出一种自动化的基于刻痕的云南绝版套刻的数字模拟合成方法。通过颜色聚类将图像分割,求出一个平滑的反应图像梯度变化的向量场,根据向量场自动生成均匀分布的流线图,再在流线图上放置刻痕,结合XDOG方法生成的风格化边缘完成图像的绘制。由于使用了取自于真实木刻画中的刻痕,避免了复杂的建模与计算,绘制过程简单快速,无需复杂的人机交互,模拟结果较好。
Woodblock print is a knife for the pen, the board as a piece of paper art, Yunnan out of print sets of engraving is an extension of it. Color overlays result from multiple overprints on the same board. Combined with the creative process of out-of-print sets in Yunnan, we propose an automated digital-to-analog synthesis method based on scotches. The image is segmented by color clustering, a vector field with a gradient of gradient response is obtained, and a streamline map with uniform distribution is generated automatically according to the vector field. Then a notch is placed on the streamline map, combined with the stylization generated by the XDOG method Edge to complete the drawing of the image. Due to the use of indentation from real woodcut painting, complicated modeling and calculation are avoided, the drawing process is simple and fast, and no complicated man-machine interaction is required, and the simulation result is good.