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西安建筑科技大学 信息与控制工程学院, 陕西 西安 710055
王民(1959-), 男, 江苏常州人, 教授, 西安建筑科技大学通信与信息工程系主任, 电子信息工程教研室主任, 长期从事智能信息处理方面的工作, 数字语音处理、多媒体通信技术。E-mail:wangmin1329@163.com
收稿日期:2016-05-20,
录用日期:2016-7-19,
纸质出版日期:2016-10
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王民, 王静, 王羽笙. 一种多尺度灰度共生矩阵的纹理特征提取算法[J]. 液晶与显示, 2016,31(10):967-972.
Min WANG, Jing WANG, Yu-sheng WANG. Multi-scale algorithm of texture feature extraction based on gray-level co-occurrence matrix[J]. Chinese journal of liquid crystals and displays, 2016, 31(10): 967-972.
王民, 王静, 王羽笙. 一种多尺度灰度共生矩阵的纹理特征提取算法[J]. 液晶与显示, 2016,31(10):967-972. DOI: 10.3788/YJYXS20163110.0967.
Min WANG, Jing WANG, Yu-sheng WANG. Multi-scale algorithm of texture feature extraction based on gray-level co-occurrence matrix[J]. Chinese journal of liquid crystals and displays, 2016, 31(10): 967-972. DOI: 10.3788/YJYXS20163110.0967.
纹理特征作为图像的一个重要特征,在国画分类识别中的地位十分重要,但现有的纹理提取算法大多基于灰度信息而忽略了颜色信息。针对国画分类识别中纹理提取算法存在的问题,本文提出了一种多尺度、多色域的纹理特征提取算法,该算法结合了轮廓波变换和灰度共生矩阵的优点。为了对国画进行特征提取,该算法首先将国画图像转变到HSI色彩空间。然后,提取色调、饱和度、强度这三个色彩分量进行分区域操作,即提取每一个色彩分量的纹理特征。最后,将提取的3个特征向量融合并进行主成分分析降维。实验证明,与灰度共生矩阵相比,本文算法在国画分类识别方面查准率提高了7.5%,查全率提高了8.7%。实验表明多尺度灰度共生矩阵算法优于传统的灰度共生矩阵算法。
As an important feature
texture feature is very important in the category of Chinese painting
but the majority of the existing texture extraction algorithms is based on gray-scale information. To solve the problems in Chinese painting texture extraction classification
a multi-scale
multi-color domain texture feature extraction algorithm has been proposed. This algorithm combines the advantages of Contourlet transform and Gray-level Co-occurrence Matrix. In order to extract Chinese painting features by the new algorithm
the image is first transformed into HSI color space. Then
the three color components of HSI is extracted to sub-regional operation
which is to extract the texture characteristics of each color component. Finally
three feature vectors are integrated and the dimensionality of matrix is reduced using Principal Component Analysis. Experimental results show that compared with Gray-level Co-occurrence Matrix
the algorithm improves the precision of 7.5%
re-check rate increased by 8.7% in terms of Chinese painting classification. The experiment show that the new algorithm presented in this paper is better than Gray-level Co-occurrence Matrix algorithm.
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