Difference between revisions of "Function:MinMax"

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CuviStatus minMax(CuviImage* image,
CuviStatus minMax(const CuviImage& src,
                   Cuvi64f* minValue,
                   Cuvi64f* minValue,
                   Cuvi64f* maxValue,
                   Cuvi64f* maxValue,
                   CuviStream* stream = NULL);
                   const CuviStream& stream = CuviStream());
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! Description
! Description
|-
|-
| image
| src
| CuviImage*
| const CuviImage&
| Input Image
| Input Image
|-
|-
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|-
|-
| stream  
| stream  
| CuviStream*
| const CuviStream&
| GPU stream ID for execution
| GPU stream ID for execution


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CuviImage* gimg = new CuviImage(size, depth, nChannels);
CuviImage gimg = cuvi::io::loadImage(path);


Cuvi64f* max = new Cuvi64f[nChannels];
Cuvi64f* max = new Cuvi64f[gimg.channels()];
Cuvi64f* min = new Cuvi64f[nChannels];
Cuvi64f* min = new Cuvi64f[gimg.channels()];
 
//Upload input data
gimg->upload(hostImg->imageData, hostImg->widthStep);




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


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Revision as of 14:54, 19 April 2013

Computes the minimum and maximum pixel values in the image

Function

CuviStatus minMax(const CuviImage& src,
                  Cuvi64f* minValue,
                  Cuvi64f* maxValue,
                  const CuviStream& stream = CuviStream());

Parameters

Name Type Description
src const CuviImage& Input Image
minValue Cuvi64f* Minimum pixel value in the image
maxValue Cuvi64f* Maximum pixel value in the image
stream const 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 = cuvi::io::loadImage(path);

Cuvi64f* max = new Cuvi64f[gimg.channels()];
Cuvi64f* min = new Cuvi64f[gimg.channels()];


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