1) Vector space gradient co-occurrence matrix
向量空间梯度共生矩阵
2) spatial gray level co-occurrence matrix
空间灰度共生矩阵
1.
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.
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。
3) gray level-gradient co-occurrence matrix
灰度-梯度共生矩阵
1.
According to the characteristics of the timber surface defect,we present an automatic technique for thresholding of timber surface defect images based on gray level-gradient co-occurrence matrix and the maximum entropy principle.
根据木材表面缺陷图像的特点,提出了基于灰度-梯度共生矩阵模型和最大熵原理的木材缺陷图像自动阀值化技术。
2.
Entropy thresholding method is an automatic technique for thresholding of digital images based on gray level-gradient co-occurrence matrix and the maximum entropy principle.
它包括二维匹配滤波预处理以增强血管的灰度,以及用灰度-梯度共生矩阵的最大熵阈值化方法。
4) gray level-gradient cooccurrent matrix
灰度梯度共生矩阵
5) gray-gradient co-occurrence matrix
灰度-梯度共生矩阵
1.
The gray-gradient co-occurrence matrix of the text region is calculated,and the optimum thresholds of segmented grayscale and gradient are found quickly according to the objective function.
首先计算文本区域的灰度-梯度共生矩阵,并根据目标函数快速地找到分割的灰度和梯度最佳阈值;然后在此基础上提取特征向量,送入神经网络进行分类;最后根据颜色极性判断的结果,分割出字符。
6) mean value-gradient co-occurrence matrix
均值–梯度共生矩阵
补充资料:空间心电向量图
空间心电向量图
记录心脏在各瞬间产生的电动力在空间的方向及大小,可以每瞬间心电向量或瞬间向量来表示。将这些按时间顺序产生的各瞬间向量尖端在空间的轨迹连接起来,即形成一个环,称为"空间心向量环"。空间心电向量环投影在额面、右侧面和横面,则形成平面心向量环,心向量图就是这三个平面心向量环的记录,一般心向量图所记录到的为心房除极产生的P环,心室除极产生的QRS环和心室复极产生的T环。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条