Function:ImageGradients

Calculates X and Y gradients of image

Function

CuviStatus imageGradients(const CuviImage& src, CuviImage& gradX, CuviImage& gradY, const CuviGradientKernelType type = CUVI_GRADIENT_SOBEL_3x3, const CuviStream& stream = CuviStream());

Parameters

Name	Type	Description
src	const CuviImage&	Input image
gradX	CuviImage&	Horizontal image gradient
gradY	CuviImage&	Vertical image gradient
type	const CuviGradientKernelType	Supports: CUVI_GRADIENT_CENTRAL_DIFFERENCE CUVI_GRADIENT_SOBEL_3x3 CUVI_GRADIENT_SOBEL_5x5 CUVI_GRADIENT_SCHARR_3x3
stream	const CuviStream&	GPU stream ID for execution

Image Type Support

Input	Output
8uC1	32fC1
8uC3	32fC3

Sample

Input Image
Sobel X, 3x3	Sobel Y, 3x3

Example

//Container for input Image CuviImage gimg = cuvi::io::loadImage(path); //Containers for gradients CuviImage gX, gY; //function call cuvi::imageFiltering::imageGradients(gimg,gX,gY,CUVI_GRADIENT_CENTRAL_DIFFERENCE);