Function:RGBA2Gray

Converts an RGBA image to gray scale using fixed transform

Function

CuviStatus RGBA2Gray(CuviImage* srcImage, CuviImage* dstImage, CuviStream* stream = NULL);

Parameters

Name	Type	Description
srcImage	CuviImage*	Input 4-channel image
dstImage	CuviImage*	Output single channel image
stream	CuviStream*	GPU stream ID for execution

Image Type Support

Input	Output
8uC4	8uC1
16uC4	16uC1

Example

CuviImage* gimg = new CuviImage(size,img->depth,img->nChannels); CuviImage* gout = new CuviImage(size,img->depth,1); //Uploading RGBA image to GPU gimg->upload(img->imageData,img->widthStep); //function call cuvi::colorOperations::RGBA2Gray(gimg,gout);