Difference between revisions of "Function:MinMax"

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//Returns maximum pixel value
//Returns minimum and maximum pixel value
cuvi::arithmeticLogical::max(gimg, &min, &max);
cuvi::arithmeticLogical::minMax(gimg, &min, &max);


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Revision as of 15:02, 8 May 2012

Computes the minimum and maximum pixel values in the image

Function

CuviStatus minMax(CuviImage* image,
                  Cuvi64f* minValue,
                  Cuvi64f* maxValue,
                  CuviStream* stream = NULL);

Parameters

Name Type Description
image CuviImage* Input Image
minValue Cuvi64f* Minimum pixel value in the image
maxValue Cuvi64f* Maximum pixel value in the image
stream CuviStream* GPU stream ID for execution

Image Type Support

Input Output
8uC1 2 x Cuvi64f single value
8uC3 2 x Cuvi64f three values

Sample

Error creating thumbnail: Unable to save thumbnail to destination


Example

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

Cuvi64f* max = -1;
Cuvi64f* min= -1;

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


//Returns minimum and maximum pixel value	
cuvi::arithmeticLogical::minMax(gimg, &min, &max);