GetAffineTransform
Calculates an affine transform from three pairs of the corresponding points.
GetPerspectiveTransform
Calculates a perspective transform from four pairs of the corresponding points.
GetRectSubPix
Retrieves a pixel rectangle from an image with sub-pixel accuracy.
GetRotationMatrix2D
Calculates an affine matrix of 2D rotation.
InvertAffineTransform
Inverts an affine transformation.
Remap
Applies a generic geometrical transformation to an image.
Resize
Resizes an image.
WarpAffine
Applies an affine transformation to an image.
WarpPerspective
Applies a perspective transformation to an image.
WarpPolar
Remaps an image to polar or semilog-polar coordinates space.