Function:CalcHist

From CUVI Wiki
Jump to: navigation, search

Computes the histogram of input image.

Function

CuviStatus calcHist(const CuviImage& src, 
                    CuviHistogram& hist, 
                    const CuviStream& stream = CuviStream());

Parameters

Name Type Description
src const CuviImage& Input Image
hist CuviHistogram& Computed histogram of input image
stream const CuviStream& GPU stream ID for execution

Image Type Support

Input Output
8uC1 CuviHistogram
8uC3 CuviHistogram

Sample

Example

CuviImage input = cuvi::io::loadImage(path);
 
//Create histogram according to image type
CuviHistogram hist(input.type());
 
//Calculate the histogram
cuvi::imageStatistics::calcHist(input, hist);