Difference between revisions of "Function:Mean"

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//Returns mean of all pixel values in the image
//Returns mean of all pixel values in the image
cuvi::arithmeticLogical::mean(gimg, &mean);
cuvi::arithmeticLogical::mean(gimg, mean);


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Revision as of 02:22, 9 May 2012

Computes the mean of image pixel values

Function

CuviStatus mean(CuviImage* image,
                Cuvi64f* mean,
                CuviStream* stream = NULL);

Parameters

Name Type Description
image CuviImage* Input Image
mean Cuvi64f* Mean of all pixel values in the image
stream CuviStream* GPU stream ID for execution

Image Type Support

Input Output
8uC1 Cuvi64f single value
8uC3 Cuvi64f three values

Sample

Error creating thumbnail: Unable to save thumbnail to destination


Example

CuviImage* gimg = new CuviImage(size, depth, nChannels);

Cuvi64f* mean = new Cuvi64f[nChannels];

//Upload input data
gimg->upload(hostImg->imageData, hostImg->widthStep);


//Returns mean of all pixel values in the image	
cuvi::arithmeticLogical::mean(gimg, mean);