Function:ChannelSplit

Splits a three channel image into R, G and B channels

Function

CuviStatus channelSplit(CuviImage* srcImage, CuviImage* dstRed, CuviImage* dstGreen, CuviImage* dstBlue, CuviStream* stream = NULL);

Parameters

Name	Type	Description
src	CuviImage*	3-channel input Image
dstRed	CuviImage*	Output red channel image
dstGreen	CuviImage*	Output green channel image
dstBlue	CuviImage*	Output blue channel image
stream	CuviStream*	GPU stream ID for execution

Image Type Support

Input	Output
8uC3	8uC1 x 3
16uC3	16uC1 x 3

Sample

Error creating thumbnail: Unable to save thumbnail to destination Input Image

Error creating thumbnail: Unable to save thumbnail to destination Red Channel

Error creating thumbnail: Unable to save thumbnail to destination Green Channel

Error creating thumbnail: Unable to save thumbnail to destination Blue Channel

Example

//A single color image CuviImage *gimg = new CuviImage(_size,img->depth,img->nChannels); //Three single channel images for storing output CuviImage *gr = new CuviImage(_size,img->depth,1); CuviImage *gg = new CuviImage(_size,img->depth,1); CuviImage *gb = new CuviImage(_size,img->depth,1); //Populate the GPU image with pixel data gimg->upload(img->imageData,img->widthStep); //Split into R, G and B channels CuviStatus st = cuvi::colorOperations::channelSplit(gimg,gr,gg,gb);