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GPU621/Group 3

934 bytes added, 13:01, 11 April 2023
Image Processing, parallelized with OpenMP
#include "openMP_imgProc.h"
void vvoid openMP_imgProcessor::sharpenImg(cv::Mat& image) {
//supressing OpenCV messages
std::streambuf* coutbuf = std::cout.rdbuf();
//stop supressing
std::cout.rdbuf(coutbuf);
}
 
//Saturation Increase here
void openMP_imgProcessor::saturateImg(cv::Mat& image, double saturationLvl) {
 
//supressing OpenCV messages
std::streambuf* coutbuf = std::cout.rdbuf();
std::cout.rdbuf(nullptr);
 
//HSV stands for hue saturation value
cv::Mat hsv;
cv::cvtColor(image, hsv, cv::COLOR_BGR2HSV);
 
 
#pragma omp parallel for
for (int y = 0; y < hsv.rows; ++y)
{
for (int x = 0; x < hsv.cols; ++x)
{
// Get pixel value
cv::Vec3b color = hsv.at<cv::Vec3b>(cv::Point(x, y));
 
// Increase saturation by saturation Lvl color[1] is for saturation
color[1] = cv::saturate_cast<uchar>(color[1] * saturationLvl);
 
// Set pixel value
hsv.at<cv::Vec3b>(cv::Point(x, y)) = color;
}
}
 
cv::cvtColor(hsv, image, cv::COLOR_HSV2BGR);
 
//stop cv message supression
std::cout.rdbuf(coutbuf);
 
}
}
</syntaxhighlight>
[[File:OpenMP_imgProc_header.txt]]
[[File:OpenMP_imgProc.txt]]
 
=='''IPP Implementation Summary'''==
72
edits