计算机辅助生成剪纸形象

发布时间：2018-05-24 23:14

本文选题：剪纸 + 纹样　；参考：《广西师范大学》2005年硕士论文

【摘要】：非真实感图形绘制是近十年来计算机图形学研究领域逐渐兴起的学科,它的出现使得图形的绘制更加有选择化、个性化和艺术化,为图形绘制提供了比以往更多样的目标和选择,近年来非真实感图形绘制技术得到迅速的发展。剪纸是我国历史悠久的传统民间艺术之一,因为它所使用的工具和材料简单,应用范围很广,是我国广大群众喜闻乐见的一种重要的民间艺术。剪纸艺术在刻画艺术形象上也有自己的特点,这主要是由于它在制作条件上受到“剪”和“纸”的限制,只能通过镂空而形成颜色对比和物体连接来刻画形象,正是基于剪纸的以上特点,本文利用计算机来模拟生成剪纸图样,让这一艺术形式能在计算机上得到重现。首先分析了手工剪纸的特点,将其纹样分成了四类:⑴基本结构纹样。基本结构纹样用于表示对象的形体特征,一般包括头、躯干、四肢和尾巴四个部分,纹样包括直线、圆和圆弧以及各种曲线等,使用这些纹样,可以简单地勾画出动物的基本形象,包括一些夸张的头的形象。⑵特征纹样。特征纹样用于反映其表现对象的特征,例如牛、羊等动物有角,而马、鼠、鹿有尾等,对动物的不同特征,通过建立特征纹样库来实现,并通过参数的变化以满足不同的要求,如角、尾的长短等。⑶特定纹样,兽畜类动物形象头部的五官结构,一般都采用特定的纹样。眉毛用(?)纹,眼睛用(?)纹或(?)纹等,鼻子用(?)纹或(?)纹,嘴巴用(?)纹或(?)纹等。⑷各种装饰纹样,装饰纹样反映了剪纸表现形式的程式化,将复杂的事物和变幻不定的自然景象条理化、具体化,体现出剪纸艺术的民族特点。根据剪纸纹样的特点,采用基于骨架的技术生成纹样,即根据纹样的结构设计出对应的线状骨架,然后在骨架上生成相应的形状,通过控制骨架的大小、粗细、角度和弯曲程度就可以生成符合需要的纹样,生成的各种纹样最后组建为纹样库。根据剪纸使用材质的特性,图案的对称性成为剪纸的一个标志性的特点。根据这一特点将生成纹样的控制点分为位置约束点和形状约束参数,形状约束参数是控制纹样的形状和大
[Abstract]:Non-realistic graphic rendering is a subject that has emerged gradually in the field of computer graphics research in the past ten years, and its appearance makes the drawing more selective, personalized and artistic. The technology of non-realistic rendering has been developed rapidly in recent years. Paper-cut is one of the traditional folk art with a long history in our country. Because of its simple tools and materials, paper-cut is a kind of important folk art that the masses of our country like to see. Paper-cut art also has its own characteristics in depicting artistic images. This is mainly because it is restricted by "cutting" and "paper" in production conditions, and can only be depicted by hollowed-out forms of color contrast and object connection. Based on the above characteristics of paper-cut, this paper uses the computer to simulate and generate the paper-cut pattern, so that the art form can be reproduced on the computer. Firstly, the characteristics of manual paper-cut are analyzed, and the patterns are divided into four categories: 1. Basic structural patterns are used to describe the physical characteristics of an object, generally including the head, trunk, limbs and tail, and the patterns include straight lines, circles and arcs, and various curves, using these patterns. The basic image of the animal can be simply outlined, including the image of some exaggerated head. Feature patterns are used to reflect the characteristics of their objects, such as cattle, sheep and other animals with horns, while horses, rats and deer have tails. Different features of animals are realized by establishing a feature pattern database, and by changing the parameters to meet different requirements. Such as the angle, tail length and other specific patterns, animal image head structure, generally used a specific pattern. Eyebrows) Stripe, eye) Stripes or scallops) Stripes, etc., with nose) Stripes or scallops) Stripes, mouth with a) Stripes or scallops) All kinds of decorative patterns such as grain, decorative patterns reflect the formulaic form of paper-cut, the complicated things and the changeable natural scene are organized and concretized, and the national characteristics of paper-cut art are embodied. According to the characteristics of paper-cut pattern, the technique based on skeleton is used to generate the pattern, that is, the corresponding linear skeleton is designed according to the structure of the pattern, and then the corresponding shape is generated on the skeleton. By controlling the size and thickness of the skeleton, Angle and bending degree can produce patterns that meet the needs, and all kinds of patterns can be constructed into pattern database. According to the characteristics of paper-cut material, the symmetry of patterns becomes an iconic feature of paper-cut. According to this feature, the control points that generate patterns are divided into position constraint points and shape constraint parameters, and shape constraint parameters are the shape and large shape of the pattern.
【学位授予单位】：广西师范大学
【学位级别】：硕士
【学位授予年份】：2005
【分类号】：TP391.7

【引证文献】