AbsDiff
Calculates the per-element absolute difference between two arrays or between an array and a scalar.
Add
Calculates the per-element sum of two images.
AddWeighted
Calculates the weighted sum of two arrays.
ConvertScaleAbs
Scales, calculates absolute values, and converts the result to 8-bit.
Divide
Performs per-element division of two arrays or a scalar by an array.
Exp
Calculates the exponent of every array element.The maximum relative error is about 7e-6 for …
Log
Calculates the natural logarithm of every array element. Output on zero, negative and special (NaN, …
Multiply
Calculates the per-element scaled product of two arrays.
Pow
Raises every array element to a power. For some values of power, such as integer values, 0.5 and …
ScaleAdd
Calculates the sum of a scaled array and another array. The function scaleAdd is one of the …
Sqrt
Calculates a square root of array elements.The function cv::sqrt calculates a square root of each …
Subtract
Calculates the per-element difference between two arrays or array and a scalar.
Sum
Calculates and returns the sum of array elements, independently for each channel.