OpenCV中的矩阵操作
|
函数 |
Description |
说明 |
|
cvAdd |
Elementwise addition of two arrays |
两个数组对应元素的和 |
|
cvAddS |
Elementwise addition of an array and a scalar |
一个数组和一个标量对应元素的和 |
|
cvAddWeighted |
Elementwise weighted addition of two arrays (alpha blending) |
两个数组对元素的加权求和（alpha混合） |
|
cvSub |
Elementwise subtraction of one array from another |
把两个数组的对应元素相减 |
|
cvSubS |
Elementwise subtraction of a scalar from an array |
把一个数组的元素减去一个标量 |
|
cvSubRS |
Elementwise subtraction of an array from a scalar |
把一个标量减去一个数组中的元素 |
|
cvMul |
Elementwise multiplication of two arrays |
两个数组对应元素的乘法 |
|
cvDotProduct |
Compute dot product of two vectors |
计算两个向量的点乘 |
|
cvCrossProduct |
Compute cross product of two three-dimensional vectors |
对两个三维向量做叉乘 |
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cvGEMM |
Generalized matrix multiplication |
广义矩阵的乘法 |
|
cvDiv |
Elementwise division of one array by another |
一个数组和另一个数组对应元素的除法 |
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cvAbs |
Absolute value of all elements in an array |
数组中所有元素的绝对值 |
|
cvAbsDiff |
Absolute value of diff erences between two arrays |
两个数组差值的绝对值 |
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cvAbsDiffS |
Absolute value of diff erence between an array and a scalar |
一个数组和一个标量的差值的绝对值 |
|
cvMin |
Elementwise min operation on two arrays |
对两个数组中的对应元素做最小值操作 |
|
cvMinS |
Elementwise min operation between an array and a scalar |
一个数组的元素和一个向量做最小值操作 |
|
cvMax |
Elementwise max operation on two arrays |
对两个数组中的对应元素做最大值操作 |
|
cvMaxS |
Elementwise max operation between an array and a scalar |
一个数组的元素和一个向量做最大值操作 |
|
cvMinMaxLoc |
Find minimum and maximum values in an array |
寻找数组中的最大值和最小值 |
|
cvAvg |
Average value of all elements in an array |
数组中所有元素的平均值 |
|
cvAvgStd |
Absolute value and standard deviation of all elements in an array |
数组中所有元素的平均值和标准差 |
|
cvSum |
Sum all elements of an array |
对数组的所有元素求和 |
|
cvCountNonZero |
Count nonzero elements in an array |
对数组中非零元素计数 |
|
cvGetRow |
Copy elements from row slice of an array |
拷贝数组中一行元素 |
|
cvGetRows |
Copy elements from multiple adjacent rows of an array |
拷贝数组中相邻的多行元素 |
|
cvGetCol |
Copy elements from column slice of an array |
拷贝数组中一列元素 |
|
cvGetCols |
Copy elements from multiple adjacent columns of an array |
拷贝数组中相邻的多列元素 |
|
cvGetSubRect |
Copy elements from subregion of an array |
拷贝一个数组中子区域的元素 |
|
cvGetDiag |
Copy elements from an array diagonal |
拷贝数组对角线元素 |
|
cvAnd |
Elementwise bit-level AND of two arrays |
把两个数组的对应元素做位与操作 |
|
cvNot |
Bitwise inversion of every element of an array |
对数组中每个元素逐位取反 |
|
cvOr |
Elementwise bit-level OR of two arrays |
把两个数组的对应元素做位取反 |
|
cvOrS |
Elementwise bit-level OR of an array and a scalar |
把一个数组中的元素和一个标量取反 |
|
cvXor |
Elementwise bit-level XOR between two arrays |
把两个数组中的对应元素做异或运算 |
|
cvXorS |
Elementwise bit-level XOR between an array and a scalar |
把一个数组中的元素和一个标量做异或运算 |
|
cvGetDims |
Return the number of dimensions of an array |
返回数组的维数 |
|
cvGetDimSize |
Return the sizes of all dimensions of an array |
返回数组所有维的尺寸 |
|
cvGetSize |
Get size of a two-dimensional array and return as CvSize |
获取二维数组的尺寸，返回一个CvSize结构 |
|
cvCopy |
Copy elements of one array to another |
把一个数组中的元素拷贝到另一个数组 |
|
cvRepeat |
Tile the contents of one array into another |
把一个数组的内容铺到另一个中 |
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cvSplit |
Split a multichannel array into multiple single-channel arrays |
把一个多通道数组分解为多个单通道数组 |
|
cvMerge |
Merge several single-channel images into one multichannel image |
把数个单通道图象合并为一个多通道图象 |
|
cvCvtColor |
Convert channels of an array from one color space to another |
把数组中通道从一个色彩空间转换到另一个色彩空间 |
|
cvReduce |
Reduce a two-dimensional array to a vector by a given operation |
根据一个给定操作，把一个二维数组缩减为一个向量 |
|
cvConvertScale |
Convert array type with optional rescaling of the value |
|
|
cvConvertScaleAbs |
Convert array type after absolute value with optional rescaling |
|
|
cvSet |
Set all elements of an array to a given value |
把数组中所有元素赋一个给定的值 |
|
cvSetZero |
Set all elements of an array to 0 |
把数组中所有元素赋值为0 |
|
cvZero |
Set all elements of an array to 0 |
把数组中所有元素置0 |
|
cvFlip |
Flip an array about a selected axis |
把数组相对一个选定的轴做翻转 |
|
cvNormalize |
Normalize elements in an array to some value |
把数组中的元素规一化到某一值 |
|
cvTranspose |
Transpose all elements of an array across the diagonal |
把所有元素相对对角线转置 |
|
cvSetIdentity |
Set all elements of an array to 1 for the diagonal and 0 otherwise |
对数组的对角线元素赋1，其它的为0 |
|
cvCalcCovarMatrix |
Compute covariance of a set of n-dimensional vectors |
一组n维向量的协方差 |
|
cvDet |
Compute determinant of a square matrix |
计算一个方阵行列式的值 |
|
cvEigenVV |
Compute eigenvalues and eigenvectors of a square matrix |
计算一个方阵的特征值和特征向量 |
|
cvInvert |
Invert a square matrix |
计算方阵的逆矩阵 |
|
cvMahalonobis |
Compute Mahalonobis distance between two vectors |
计算两个向量的马氏距离（ Mahalonobis distance） |
|
cvNorm |
Compute normalized correlations between two arrays |
计算两相数组的规一化系数 |
|
cvSVD |
Compute singular value decomposition of a two-dimensional array |
计算一个二维数组的奇异值分解 |
|
cvSVBkSb |
Compute singular value back-substitution |
计算奇异值回代 |
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cvTrace |
Compute the trace of an array |
计算数组的迹 |
|
cvSolve |
Solve a system of linear equations |
求解一个线性方程 |
|
cvInRange |
Test if elements of an array are within values of two other arrays |
测试一个数组中的元素的值是否在另两个数组的值之间 |
|
cvInRangeS |
Test if elements of an array are in range between two scalars |
测试一个数组上的元素是否在两个标量之间 |
|
cvCmp |
Apply selected comparison operator to all elements in two arrays |
对两个数组中所有元素进行选中的比较操作 |
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cvCmpS |
Apply selected comparison operator to an array relative to a scalar |
一个数组和一个标量之间进行选中的比较操作 |
