Query expansion for chinese information retrieval by using a decaying co - occurrence model 利用一种衰减的共现模型进行中文信息检索查询扩展
Objective to determine the characteristics of co - occurrence of major health risk behaviors 摘要目的了解城市青少年健康危险行为的多发特点。
Co - occurrence matrixes identify repeated occurrences of gray level pixel configurations within the texture 共生矩阵确定纹理的灰度级象素组态。
Automatic visual inspection for foamed mask packing products based on co - occurrence matrix and color features 基于共生矩阵和颜色特征的泡罩包装缺陷检测
On this basis , the four numerical features identifying the content of image are raised from gray - level co - occurrence matrix of the image 在此基础上，利用图像的灰度共生矩阵，统计出反应纹理一致性、纹理对比、纹理的熵和纹理相关性的数量值。
Methods based on spatial frequencies , co - occurrence matrixes and multiresolution methods have been frequently employed for texture description because of their efficiency [ 3 . 69 ] 这些方法基于空间频率，共生矩阵及多分辨率法由于效率高而常被纹理描述运用。
It is more efficient to use texture feature to describe an image with complicated textural contents . grey co - occurrence matrix , which is a 2d color statistical feature , is often used to analyze such images 对富含纹理图像，采用纹理特征表达会更有效，颜色的二维统计方式?灰度共生矩阵是常用方法。
This algorithm first extracted the texture characteristic vectors of leather using co - occurrence matrix , then clustered the characteristic vectors using modified fcm , this algorithm can detect the defects on leather exactly 该方法首先采用共生矩阵提取皮革的纹理特征向量，然后用改进的模糊c -均值算法对特征向量进行聚类分析，该算法可以准确的检测出皮革表面的缺陷信息。
For evaluating the skin texture objectively , a novel measuring and recognizing model for skin texture is founded based on adopting spatial gray level co - occurrence matrix of image texture analysis to extract important features of skin texture 摘要为了可观地评价皮肤的质地，采用图像纹理分析中的空间灰度共生矩阵法提取皮肤纹理图像的重要特征，建立一种新的人脸皮肤纹理的测量识别模型。
