一种新的规则纹理基本图元提取方法  

New Method for Extracting Motif from Regular Texture

作　　者：李敏[1] 张绪冰[2] 尹业安[1] 

机构地区：[1]武汉纺织大学数学与计算机学院,武汉430073 [2]日本立命馆大学理工学院综合理工研究机构

出　　处：《小型微型计算机系统》2013年第3期672-676,共5页Journal of Chinese Computer Systems

基　　金：湖北省教育厅中青年科技项目(Q20111613)资助;湖北省教育厅重点科技项目(D20111604)资助

摘　　要：通过分析面饰的十七种对称群的特点,提出一种新的提取规则纹理中的基本图元的方法.该方法首先计算图像的灰度共生矩和惯性矩,通过阈值法选择合适的惯性矩以获取格点的位置及晶格的基本向量,然后通过分析面饰的十七种对称群的特点,得到晶格形状与对称群之间的关系,并基于这种关系来判断图像所属的对称群类别,最后从多个晶格中选择与图像的对称群一致的晶格作为图像的基本图元.试验结果表明,跟其它基于灰度共生矩的方法相比,本文提出的方法提取出来的基本图元更准确,更符合人眼的生理视觉特性.According to the symmetry group theory,there are 17 wallgroups for all possible periodic patterns in dimension 2.After analysis the characteristic of all wallgroups,a method for extracting motif of regular texture based on 17 wallpaper groups is provided.The main work of this paper is to obtain the lattice by calculating co-occurrence matrix and inertia,then the position and the shape of the lattice are selected by using the thresholding method.At last,the most symmetry motif can be got by using an algorithm based on the relationship between the shape of the lattice and the wallpaper group.Experimental results show that the proposed method is quite efficient and can get more accurate motif than other co-occurence matrix based method.

关 键 词：面饰群 规则纹理 基本图元 灰度共生矩 惯性矩 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]