Function:WarpAffineBack

Applies inverse affine transformation to an image.

Function

CuviStatus warpAffineBack(const CuviImage& src, CuviImage& dst, Cuvi64f coeffs[2][3], const CuviStream& stream = CuviStream());

Parameters

Name	Type	Description
src	const CuviImage&	Input Image
dst	CuviImage&	Output Image
coeffs	Cuvi64f [2][3]	2 x 3 affine transformation matrix
stream	const CuviStream&	GPU stream ID for execution

Image Type Support

Input	Output
8uC1	8uC1
8uC3	8uC3
16uC1	16uC1
16uC3	16uC3
32fC1	32fC1
32fC3	32fC3

Example

CuviImage input = cuvi::io::loadImage(path), output; //Set affine transformation matrix Cuvi64f coeffs[2][3] = { {0.5, 0.0, 0.0}, {0.0, 0.5, 0.0} }; //Apply inverse affine transformation cuvi::geometryTransforms::warpAffineBack(input,output, coeffs);