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資料來(lái)源：《O'Reilly Learning OpenCV》表3-3列出了對(duì)矩陣操作的多個(gè)例程，它們中大部分也可以很好的對(duì)圖象進(jìn)行處理。它們可以做幾乎所有常規(guī)的事情，例如矩陣的對(duì)角化（diagonalizing）和轉(zhuǎn)置（transposing），以及一些復(fù)雜的操作，例如計(jì)算圖象的統(tǒng)計(jì)值。原文是按字母順序排列的，這里本人按函數(shù)的用途進(jìn)行了整理。表3-3，矩陣和圖象的基本操作函數(shù) Description 說(shuō)明cvAdd Elementwise addition of two arrays 兩個(gè)數(shù)組對(duì)應(yīng)元素的和cvAddSElementwise addition of an array and a scalar一個(gè)數(shù)組和一個(gè)標(biāo)量對(duì)應(yīng)元素的和cvAddWeightedElementwise weighted addition of two arrays (alpha blending)兩個(gè)數(shù)組對(duì)元素的加權(quán)求和（alpha混合）cvSubElementwise subtraction of one array from another把兩個(gè)數(shù)組的對(duì)應(yīng)元素相減cvSubSElementwise subtraction of a scalar from an array把一個(gè)數(shù)組的元素減去一個(gè)標(biāo)量cvSubRSElementwise subtraction of an array from a scalar把一個(gè)標(biāo)量減去一個(gè)數(shù)組中的元素cvMulElementwise multiplication of two arrays兩個(gè)數(shù)組對(duì)應(yīng)元素的乘法cvDotProductCompute dot product of two vectors計(jì)算兩個(gè)向量的點(diǎn)乘cvCrossProductCompute cross product of two three-dimensional vectors對(duì)兩個(gè)三維向量做叉乘cvGEMMGeneralized matrix multiplication廣義矩陣的乘法cvDivElementwise division of one array by another一個(gè)數(shù)組和另一個(gè)數(shù)組對(duì)應(yīng)元素的除法cvAbsAbsolute value of all elements in an array數(shù)組中所有元素的絕對(duì)值cvAbsDiffAbsolute value of diff erences between two arrays兩個(gè)數(shù)組差值的絕對(duì)值cvAbsDiffSAbsolute value of diff erence between an array and a scalar一個(gè)數(shù)組和一個(gè)標(biāo)量的差值的絕對(duì)值cvMinElementwise min operation on two arrays對(duì)兩個(gè)數(shù)組中的對(duì)應(yīng)元素做最小值操作cvMinSElementwise min operation between an array and a scalar一個(gè)數(shù)組的元素和一個(gè)向量做最小值操作cvMaxElementwise max operation on two arrays對(duì)兩個(gè)數(shù)組中的對(duì)應(yīng)元素做最大值操作cvMaxSElementwise max operation between an array and a scalar一個(gè)數(shù)組的元素和一個(gè)向量做最大值操作cvMinMaxLocFind minimum and maximum values in an array尋找數(shù)組中的最大值和最小值cvAvgAverage value of all elements in an array數(shù)組中所有元素的平均值cvAvgStdAbsolute value and standard deviation of all elements in an array數(shù)組中所有元素的平均值和標(biāo)準(zhǔn)差cvSumSum all elements of an array對(duì)數(shù)組的所有元素求和cvCountNonZeroCount nonzero elements in an array對(duì)數(shù)組中非零元素計(jì)數(shù)cvGetRowCopy elements from row slice of an array拷貝數(shù)組中一行元素cvGetRowsCopy elements from multiple adjacent rows of an array拷貝數(shù)組中相鄰的多行元素cvGetColCopy elements from column slice of an array拷貝數(shù)組中一列元素cvGetColsCopy elements from multiple adjacent columns of an array拷貝數(shù)組中相鄰的多列元素cvGetSubRectCopy elements from subregion of an array拷貝一個(gè)數(shù)組中子區(qū)域的元素cvGetDiagCopy elements from an array diagonal拷貝數(shù)組對(duì)角線元素cvAndElementwise bit-level AND of two arrays把兩個(gè)數(shù)組的對(duì)應(yīng)元素做位與操作cvNotBitwise inversion of every element of an array對(duì)數(shù)組中每個(gè)元素逐位取反cvOrElementwise bit-level OR of two arrays把兩個(gè)數(shù)組的對(duì)應(yīng)元素做位取反cvOrSElementwise bit-level OR of an array and a scalar把一個(gè)數(shù)組中的元素和一個(gè)標(biāo)量取反cvXorElementwise bit-level XOR between two arrays把兩個(gè)數(shù)組中的對(duì)應(yīng)元素做異或運(yùn)算cvXorSElementwise bit-level XOR between an array and a scalar把一個(gè)數(shù)組中的元素和一個(gè)標(biāo)量做異或運(yùn)算cvGetDimsReturn the number of dimensions of an array返回?cái)?shù)組的維數(shù)cvGetDimSizeReturn the sizes of all dimensions of an array返回?cái)?shù)組所有維的尺寸cvGetSizeGet size of a two-dimensional array and return as CvSize獲取二維數(shù)組的尺寸，返回一個(gè)CvSize結(jié)構(gòu)cvCopyCopy elements of one array to another把一個(gè)數(shù)組中的元素拷貝到另一個(gè)數(shù)組cvRepeatTile the contents of one array into another把一個(gè)數(shù)組的內(nèi)容鋪到另一個(gè)中cvSplitSplit a multichannel array into multiple single-channel arrays把一個(gè)多通道數(shù)組分解為多個(gè)單通道數(shù)組cvMergeMerge several single-channel images into one multichannel image把數(shù)個(gè)單通道圖象合并為一個(gè)多通道圖象cvCvtColorConvert channels of an array from one color space to another把數(shù)組中通道從一個(gè)色彩空間轉(zhuǎn)換到另一個(gè)色彩空間cvReduceReduce a two-dimensional array to a vector by a given operation根據(jù)一個(gè)給定操作，把一個(gè)二維數(shù)組縮減為一個(gè)向量cvConvertScaleConvert array type with optional rescaling of the valuecvConvertScaleAbsConvert array type after absolute value with optional rescalingcvSetSet all elements of an array to a given value把數(shù)組中所有元素賦一個(gè)給定的值cvSetZeroSet all elements of an array to 0把數(shù)組中所有元素賦值為0cvZeroSet all elements of an array to 0把數(shù)組中所有元素置0cvFlipFlip an array about a selected axis把數(shù)組相對(duì)一個(gè)選定的軸做翻轉(zhuǎn)cvNormalizeNormalize elements in an array to some value把數(shù)組中的元素規(guī)一化到某一值cvTransposeTranspose all elements of an array across the diagonal把所有元素相對(duì)對(duì)角線轉(zhuǎn)置cvSetIdentitySet all elements of an array to 1 for the diagonal and 0 otherwise對(duì)數(shù)組的對(duì)角線元素賦1，其它的為0cvCalcCovarMatrixCompute covariance of a set of n-dimensional vectors一組n維向量的協(xié)方差cvDetCompute determinant of a square matrix計(jì)算一個(gè)方陣行列式的值cvEigenVVCompute eigenvalues and eigenvectors of a square matrix計(jì)算一個(gè)方陣的特征值和特征向量cvInvertInvert a square matrix計(jì)算方陣的逆矩陣cvMahalonobisCompute Mahalonobis distance between two vectors計(jì)算兩個(gè)向量的馬氏距離（ Mahalonobis distance）cvNormCompute normalized correlations between two arrays計(jì)算兩相數(shù)組的規(guī)一化系數(shù)cvSVDCompute singular value decomposition of a two-dimensional array計(jì)算一個(gè)二維數(shù)組的奇異值分解cvSVBkSbCompute singular value back-substitution計(jì)算奇異值回代cvTraceCompute the trace of an array計(jì)算數(shù)組的跡cvSolveSolve a system of linear equations求解一個(gè)線性方程cvInRangeTest if elements of an array are within values of two other arrays測(cè)試一個(gè)數(shù)組中的元素的值是否在另兩個(gè)數(shù)組的值之間cvInRangeSTest if elements of an array are in range between two scalars測(cè)試一個(gè)數(shù)組上的元素是否在兩個(gè)標(biāo)量之間cvCmpApply selected comparison operator to all elements in two arrays對(duì)兩個(gè)數(shù)組中所有元素進(jìn)行選中的比較操作cvCmpSApply selected comparison operator to an array relative to a scalar一個(gè)數(shù)組和一個(gè)標(biāo)量之間進(jìn)行選中的比較操作