北京林业大学学报2012，Vol.34Issue(3)：71-75,5.
基于颜色直方图和LBP-TD算子的木板材节疤缺陷区域检测
Defective region detection for wood based on color histogram and LBP-TD operator.
摘要
Abstract
In this paper, a new method for defective region detection of wood surface knot using color and texture information was proposed. At first, initial pixels were selected automatically from defective regions based on color histogram through the differences between defective regions and normal wood regions. Then a new algorithm called texture diffusion was proposed to search the contours of defective regions from the initial pixels based on local texture information. Besides, in order to suit the process of texture diffusion, a modified LBP operator named LBP-TD operator was also proposed in this new algorithm. For several kinds of wood surface knot defects, the experiments showed that when obvious differences of color and texture information between defective regions and normal wood regions existed, the accurate contours of knot defective regions could be obtained by the proposed method whether the normal wood surface texture was regular or not. When the differences of color and texture information between defective regions and normal wood regions were not obvious, approximate contours of knot defective regions can also be obtained. Besides, the experimental data showed that the error detection rate of the proposed method was lower than that of OTSU.关键词
节疤缺陷/区域检测/局部二进制模式-纹理扩散算子/颜色直方图Key words
knot defects/region detection/LBP-TD/color histogram分类
农业科技引用本文复制引用
杜晓晨,尹建新,祁亨年,冯海林..基于颜色直方图和LBP-TD算子的木板材节疤缺陷区域检测[J].北京林业大学学报,2012,34(3):71-75,5.基金项目
国家自然科学基金项目（60970082、60903144）、浙江省自然科学基金项目（Y1080777、Y3080457）、浙江农林大学科研发展基金预研项目（2008KF61、2451005041）. （）
