Numeric#

Detailed Description#

Function Documentation#

meanAndVarianceAlongRows()#

void cv::sfm::meanAndVarianceAlongRows(
InputArray A,
OutputArray mean,
OutputArray variance )

#include <opencv2/sfm/numeric.hpp>

Computes the mean and variance of a given matrix along its rows.

It computes in the same way as woud do reduce but with Variance function.

Parameters

  • A — Input NxN matrix.

  • mean — Output Nx1 matrix with computed mean.

  • variance — Output Nx1 matrix with computed variance.

skew()#

Mat cv::sfm::skew(InputArray x)

#include <opencv2/sfm/numeric.hpp>

Returns the 3x3 skew symmetric matrix of a vector.

Reference: [133], p581, equation (A4.5).

Parameters

  • x — Input 3x1 vector.