Function:ChannelMix

Function

CuviStatus colorTwist(CuviImage* srcImage, CuviImage* dstImage, Cuvi32f coeffs[9], CuviStream* stream = NULL);

Parameters

Name	Type	Description
srcImage	CuviImage*	Input Image
dstImage	CuviImage*	Output Image
coeffs[9]	Cuvi32f	Coefficient matrix for channel mixing
stream	CuviStream*	GPU stream ID for execution

Image Type Support

Input	Output
8uC3	8uC3
16uC3	16uC3

Sample

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

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

Example

CuviImage* gimg = new CuviImage(size,img->depth,img->nChannels); CuviImage* gout = new CuviImage(size,img->depth,img->nChannels); gimg->upload(img->imageData,img->widthStep); //Color-Mix matrix float* coff = new float[9]; coff[0]= 1.05f; coff[1]= -0.025f; coff[2]= -0.025f; coff[3]= -0.45f; coff[4]= 1.975f; coff[5]= -0.525f; coff[6]= 0.225f; coff[7]= -1.05f; coff[8]= 1.825f; //function call cuvi::ColorOperations::colorTwist(gimg,gout,coff);