Open Source Computer Vision Library https://opencv.org/
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#include "cvsample.h"
#include <opencv2/imgproc/imgproc.hpp>
void CVSample::canny(const cv::Mat& input, cv::Mat& output, int edgeThresh)
{
if (input.empty())
return;
cv::Mat gray;
if (input.channels() == 3)
{
cv::cvtColor(input, gray, CV_RGB2GRAY);
}
else
gray = input;
cv::Canny(gray, output, edgeThresh, edgeThresh * 3, 3);
}
void CVSample::invert(cv::Mat& inout)
{
cv::bitwise_not(inout, inout);
}
void CVSample::blur(cv::Mat& inout, int half_kernel_size)
{
int ksz = half_kernel_size*2 + 1;
cv::Size kernel(ksz,ksz);
cv::blur(inout,inout,kernel);
}