陈晓文;刘光帅;刘望华;李旭瑞;

• 1:西南交通大学机械工程学院

摘要(Abstract)：

针对成对旋转不变的共生局部二值模式(PRICoLBP)旋转不变性较差及其相关改进算法EPRICoELBP对光照变化和噪声干扰较为敏感的问题,提出了一种增强成对旋转不变的共生自适应阈值完全局部三值模式。通过自适应阈值局部三值模式(ALTP)将图像分成Upper和Lower模式;分别在两种模式中找出像素点LBP特征极大、极小值对应的邻域起始编码点,利用中心像素点与其LBP特征极大、极小值对应的邻域起始编码点作为方向矢量,来确定中心像素点的上下文共生点对;利用自适应阈值完全局部三值模式(ACLTP)提取Upper和Lower模式中共生点对的局部纹理信息;联合上下文共生点对的特征直方图训练卡方核支持向量机,进行纹理图像识别检测。在应用广泛的Brodatz、Outex(TC10、TC12-h、TC12-t、TC14)、CUReT、KTH_TIPS、UIUC标准纹理库中,该算法相较于原始的PRICoLBP算法和其他算法在分类准确率上均有一定的提升,且在添加了高斯噪声和椒盐噪声的KTH_TIPS纹理库中,该算法依旧保持了较高的分类准确率。实验结果表明,该算法对旋转、光照变化和噪声干扰具有较强的鲁棒性。

关键词(KeyWords)： 共生点对;局部三值模式;成对旋转不变;噪声鲁棒性;自适应阈值

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金（51275431）;; 四川省科技支撑计划项目（2015GZ0200）

作者(Author): 陈晓文;刘光帅;刘望华;李旭瑞;

Email:

DOI:

参考文献(References)：

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