计算机辅助绘制黑白唐卡

发布时间：2018-05-08 10:04

本文选题：唐卡 + 泊松方程　；参考：《计算机辅助设计与图形学学报》2017年11期

【摘要】：唐卡是佛教文化中一种独具特色的绘画艺术形式,构图复杂、绘制精细,黑白唐卡是其中一个独特的分支.针对手工绘制黑白唐卡物体表面的明暗渐变非常耗时耗力的问题,提出一个计算机辅助绘制黑白唐卡的系统.首先对输入的唐卡黑白线条图物体区域进行颜色标记;然后针对区域内部从一条边界向其他边界由暗变亮的物体,综合区域遮挡关系和几何特征提取线条两侧明暗特征;再针对区域内部从边界向内部由暗变亮的物体,通过距离变换或人工交互设置物体灰度控制图像;最后将明暗特征和控制图像代入泊松方程求解,得到黑白唐卡中各类物体精细明暗渐变.文中给出了黑白唐卡的绘制效果.
[Abstract]:Tangka is a unique artistic form of painting in Buddhist culture with complex composition and fine drawing. Black and white Tangka is a unique branch of it. A computer aided rendering system for black-and-white Tangka is proposed to solve the problem that it is time-consuming and energy consuming to draw the dark and light gradient on the surface of black-and-white Tangka by hand. Firstly, the object area of the inputted Tangka black and white line diagram is marked with color, and then the shading relation and geometric feature of the two sides of the line are combined to extract the light and dark feature of the two sides of the line for the object which changes from one edge to the other boundary from one edge to the other. Then the gray level control image of the object is set up by distance transformation or artificial interaction for the objects in the region from the boundary to the interior from the dark to the interior. Finally, the shading feature and the control image are substituted into the Poisson equation to solve the problem. Get the black and white Tangka in the various objects fine light and dark gradient. The drawing effect of black and white Tangka is given in this paper.
【作者单位】：浙江大学CAD&CG国家重点实验室;杭州电子科技大学数字媒体与艺术设计学院;浙江大学计算机科学与技术学院;
【基金】：国家自然科学基金(61379069,61772463) 国家科技支撑计划(2014BAK09B04) 浙江省自然科学基金(LQ14E050010) 教育部人文社科基金(16YJC760047)
【分类号】：TP391.41

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