函數(shù) |
Description |
說明 |
cvAdd |
Elementwise addition of two arrays |
兩個(gè)數(shù)組對(duì)應(yīng)元素的和 |
cvAddS
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Elementwise addition of an array and a scalar
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一個(gè)數(shù)組和一個(gè)標(biāo)量對(duì)應(yīng)元素的和
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cvAddWeighted
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Elementwise weighted addition of two arrays (alpha blending)
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兩個(gè)數(shù)組對(duì)元素的加權(quán)求和(alpha混合)
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cvSub
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Elementwise subtraction of one array from another
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把兩個(gè)數(shù)組的對(duì)應(yīng)元素相減
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cvSubS
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Elementwise subtraction of a scalar from an array
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把一個(gè)數(shù)組的元素減去一個(gè)標(biāo)量
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cvSubRS
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Elementwise subtraction of an array from a scalar
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把一個(gè)標(biāo)量減去一個(gè)數(shù)組中的元素
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cvMul
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Elementwise multiplication of two arrays
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兩個(gè)數(shù)組對(duì)應(yīng)元素的乘法
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cvDotProduct
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Compute dot product of two vectors
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計(jì)算兩個(gè)向量的點(diǎn)乘
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cvCrossProduct
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Compute cross product of two three-dimensional vectors
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對(duì)兩個(gè)三維向量做叉乘
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cvGEMM
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Generalized matrix multiplication
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廣義矩陣的乘法
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cvDiv
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Elementwise division of one array by another
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一個(gè)數(shù)組和另一個(gè)數(shù)組對(duì)應(yīng)元素的除法
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cvAbs
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Absolute value of all elements in an array
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數(shù)組中所有元素的絕對(duì)值
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cvAbsDiff
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Absolute value of diff erences between two arrays
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兩個(gè)數(shù)組差值的絕對(duì)值
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cvAbsDiffS
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Absolute value of diff erence between an array and a scalar
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一個(gè)數(shù)組和一個(gè)標(biāo)量的差值的絕對(duì)值
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cvMin
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Elementwise min operation on two arrays
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對(duì)兩個(gè)數(shù)組中的對(duì)應(yīng)元素做最小值操作
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cvMinS
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Elementwise min operation between an array and a scalar
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一個(gè)數(shù)組的元素和一個(gè)向量做最小值操作
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cvMax
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Elementwise max operation on two arrays
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對(duì)兩個(gè)數(shù)組中的對(duì)應(yīng)元素做最大值操作
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cvMaxS
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Elementwise max operation between an array and a scalar
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一個(gè)數(shù)組的元素和一個(gè)向量做最大值操作
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cvMinMaxLoc
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Find minimum and maximum values in an array
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尋找數(shù)組中的最大值和最小值
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cvAvg
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Average value of all elements in an array
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數(shù)組中所有元素的平均值
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cvAvgStd
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Absolute value and standard deviation of all elements in an array
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數(shù)組中所有元素的平均值和標(biāo)準(zhǔn)差
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cvSum
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Sum all elements of an array
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對(duì)數(shù)組的所有元素求和
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cvCountNonZero
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Count nonzero elements in an array
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對(duì)數(shù)組中非零元素計(jì)數(shù)
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cvGetRow
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Copy elements from row slice of an array
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拷貝數(shù)組中一行元素
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cvGetRows
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Copy elements from multiple adjacent rows of an array
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拷貝數(shù)組中相鄰的多行元素
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cvGetCol
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Copy elements from column slice of an array
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拷貝數(shù)組中一列元素
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cvGetCols
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Copy elements from multiple adjacent columns of an array
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拷貝數(shù)組中相鄰的多列元素
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cvGetSubRect
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Copy elements from subregion of an array
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拷貝一個(gè)數(shù)組中子區(qū)域的元素
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cvGetDiag
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Copy elements from an array diagonal
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拷貝數(shù)組對(duì)角線元素
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cvAnd
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Elementwise bit-level AND of two arrays
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把兩個(gè)數(shù)組的對(duì)應(yīng)元素做位與操作
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cvNot
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Bitwise inversion of every element of an array
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對(duì)數(shù)組中每個(gè)元素逐位取反
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cvOr
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Elementwise bit-level OR of two arrays
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把兩個(gè)數(shù)組的對(duì)應(yīng)元素做位取反
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cvOrS
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Elementwise bit-level OR of an array and a scalar
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把一個(gè)數(shù)組中的元素和一個(gè)標(biāo)量取反
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cvXor
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Elementwise bit-level XOR between two arrays
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把兩個(gè)數(shù)組中的對(duì)應(yīng)元素做異或運(yùn)算
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cvXorS
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Elementwise bit-level XOR between an array and a scalar
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把一個(gè)數(shù)組中的元素和一個(gè)標(biāo)量做異或運(yùn)算
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cvGetDims
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Return the number of dimensions of an array
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返回?cái)?shù)組的維數(shù)
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cvGetDimSize
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Return the sizes of all dimensions of an array
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返回?cái)?shù)組所有維的尺寸
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cvGetSize
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Get size of a two-dimensional array and return as CvSize
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獲取二維數(shù)組的尺寸,返回一個(gè)CvSize結(jié)構(gòu)
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cvCopy
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Copy elements of one array to another
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把一個(gè)數(shù)組中的元素拷貝到另一個(gè)數(shù)組
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cvRepeat
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Tile the contents of one array into another
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把一個(gè)數(shù)組的內(nèi)容鋪到另一個(gè)中
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cvSplit
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Split a multichannel array into multiple single-channel arrays
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把一個(gè)多通道數(shù)組分解為多個(gè)單通道數(shù)組
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cvMerge
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Merge several single-channel images into one multichannel image
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把數(shù)個(gè)單通道圖象合并為一個(gè)多通道圖象
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cvCvtColor
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Convert channels of an array from one color space to another
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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
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cvReduce
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Reduce a two-dimensional array to a vector by a given operation
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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
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cvConvertScale
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Convert array type with optional rescaling of the value
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cvConvertScaleAbs
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Convert array type after absolute value with optional rescaling
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cvSet
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Set all elements of an array to a given value
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把數(shù)組中所有元素賦一個(gè)給定的值
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cvSetZero
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Set all elements of an array to 0
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把數(shù)組中所有元素賦值為0
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cvZero
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Set all elements of an array to 0
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把數(shù)組中所有元素置0
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cvFlip
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Flip an array about a selected axis
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把數(shù)組相對(duì)一個(gè)選定的軸做翻轉(zhuǎn)
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cvNormalize
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Normalize elements in an array to some value
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把數(shù)組中的元素規(guī)一化到某一值
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cvTranspose
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Transpose all elements of an array across the diagonal
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把所有元素相對(duì)對(duì)角線轉(zhuǎn)置
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cvSetIdentity
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Set all elements of an array to 1 for the diagonal and 0 otherwise
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對(duì)數(shù)組的對(duì)角線元素賦1,其它的為0
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cvCalcCovarMatrix
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Compute covariance of a set of n-dimensional vectors
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一組n維向量的協(xié)方差
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cvDet
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Compute determinant of a square matrix
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計(jì)算一個(gè)方陣行列式的值
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cvEigenVV
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Compute eigenvalues and eigenvectors of a square matrix
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計(jì)算一個(gè)方陣的特征值和特征向量
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cvInvert
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Invert a square matrix
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計(jì)算方陣的逆矩陣
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cvMahalonobis
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Compute Mahalonobis distance between two vectors
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計(jì)算兩個(gè)向量的馬氏距離( Mahalonobis distance)
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cvNorm
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Compute normalized correlations between two arrays
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計(jì)算兩相數(shù)組的規(guī)一化系數(shù)
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cvSVD
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Compute singular value decomposition of a two-dimensional array
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計(jì)算一個(gè)二維數(shù)組的奇異值分解
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cvSVBkSb
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Compute singular value back-substitution
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計(jì)算奇異值回代
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cvTrace
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Compute the trace of an array
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計(jì)算數(shù)組的跡
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cvSolve
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Solve a system of linear equations
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求解一個(gè)線性方程
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cvInRange
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Test if elements of an array are within values of two other arrays
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測試一個(gè)數(shù)組中的元素的值是否在另兩個(gè)數(shù)組的值之間
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cvInRangeS
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Test if elements of an array are in range between two scalars
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測試一個(gè)數(shù)組上的元素是否在兩個(gè)標(biāo)量之間
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cvCmp
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Apply selected comparison operator to all elements in two arrays
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對(duì)兩個(gè)數(shù)組中所有元素進(jìn)行選中的比較操作
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cvCmpS
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Apply selected comparison operator to an array relative to a scalar
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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
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