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Moskalenko
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‎CMakeLists.txt‎

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@@ -18,6 +18,7 @@ set(LIBRARY_DEPS ${OpenCV_LIBS})
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# BUILD
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add_subdirectory(sample_template)
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add_subdirectory(sample_Moskalenko)
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# Add you directory here
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# add_subdirectory(sample_YOUR_NAME)
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‎sample_Moskalenko/CMakeLists.txt‎

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set(target "sample_Moskalenko")
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file(GLOB hdrs "*.hpp")
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file(GLOB srcs "*.cpp")
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add_executable(${target} ${srcs} ${hdrs})
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target_link_libraries(${target} ${LIBRARY_DEPS})

‎sample_Moskalenko/application.cpp‎

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#include "application.hpp"
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#include "processing.hpp"
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#include <opencv2/highgui/highgui.hpp>
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using namespace cv;
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int Application::parseArguments(int argc, const char **argv,
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Application::Parameters &params)
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{
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if (argc < 2)
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{
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return 1;
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}
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params.imgFileName = std::string(argv[1]);
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return 0;
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}
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int Application::getFrame(const std::string &fileName, Mat& src)
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{
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src = imread(fileName);
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if (src.empty())
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{
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return 1;
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}
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return 0;
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}
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int Application::processFrame(const Mat& src, Mat& dst)
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{
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processor.processFrame(src, dst);
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if (dst.empty())
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{
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return 1;
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}
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return 0;
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}
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int Application::drawButtons(Mat &display)
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{
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guiState.onButtonPlace = Rect(20, display.rows - 60, 120, 40);
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guiState.offButtonPlace = Rect(160, display.rows - 60, 120, 40);
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rectangle(display, guiState.onButtonPlace,
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Scalar(128, 128, 128), CV_FILLED);
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rectangle(display, guiState.offButtonPlace,
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Scalar(128, 128, 128), CV_FILLED);
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putText(display, "on",
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Point(guiState.onButtonPlace.x + guiState.onButtonPlace.width / 2 - 15,
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guiState.onButtonPlace.y + guiState.onButtonPlace.height / 2 + 10),
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FONT_HERSHEY_SIMPLEX, 1.0, Scalar(0, 0, 0), 2);
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putText(display, "off",
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Point(guiState.offButtonPlace.x + guiState.offButtonPlace.width / 2 - 20,
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guiState.offButtonPlace.y + guiState.offButtonPlace.height / 2 + 10),
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FONT_HERSHEY_SIMPLEX, 1.0, Scalar(0, 0, 0), 2);
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return 0;
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}
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int Application::showFrame(const std::string &caption,
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const Mat& src, Mat& dst)
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{
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if (guiState.state == OffFilter)
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{
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src.copyTo(dst);
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}
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else if (guiState.state == OnFilter)
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{
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processFrame(src, dst);
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}
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else
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{
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return 1;
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}
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Mat display(src.rows, src.cols + dst.cols, src.type());
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Mat srcRoi = display(Rect(0, 0, src.cols, src.rows));
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src.copyTo(srcRoi);
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Mat dstRoi = display(Rect(src.cols, 0, dst.cols, dst.rows));
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dst.copyTo(dstRoi);
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drawButtons(display);
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namedWindow(caption);
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imshow(caption, display);
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setMouseCallback(caption, onButtonsOnOffClick, &guiState);
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char key = waitKey(1);
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return key;
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}
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void onButtonsOnOffClick(int eventId, int x, int y, int flags, void *userData)
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{
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if (eventId != EVENT_LBUTTONDOWN)
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{
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return;
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}
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Application::GUIElementsState *elems =
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(Application::GUIElementsState *)userData;
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if (onButtonClicked(elems->onButtonPlace, x, y))
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{
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elems->state = Application::OnFilter;
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return;
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}
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if (onButtonClicked(elems->offButtonPlace, x, y))
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{
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elems->state = Application::OffFilter;
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return;
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}
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}
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bool onButtonClicked(cv::Rect buttonPlace, int x, int y)
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{
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if (x < buttonPlace.x || x > buttonPlace.x + buttonPlace.width ||
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y < buttonPlace.y || y > buttonPlace.y + buttonPlace.height)
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{
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return false;
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}
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return true;
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}
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‎sample_Moskalenko/application.hpp‎

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#pragma once
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#include <string>
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#include <iostream>
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#include <opencv2/core/core.hpp>
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#include "processing.hpp"
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bool onButtonClicked(cv::Rect buttonPlace, int x, int y);
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void onButtonsOnOffClick(int eventId, int x, int y, int flags, void *userData);
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class Application
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{
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public:
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enum WindowState
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{
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OnFilter,
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OffFilter
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};
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struct Parameters
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{
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std::string imgFileName;
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};
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struct GUIElementsState
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{
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WindowState state;
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cv::Rect onButtonPlace;
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cv::Rect offButtonPlace;
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};
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int parseArguments(int argc, const char **argv, Parameters &params);
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int getFrame(const std::string &fileName, cv::Mat& src);
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int processFrame(const cv::Mat& src, cv::Mat& dst);
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int showFrame(const std::string &caption,
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const cv::Mat& src, cv::Mat& dst);
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friend void onButtonsOnOffClick(int eventId, int x, int y,
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int flags, void *userData);
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Application()
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{
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guiState.state = OnFilter;
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};
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private:
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Processing processor;
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GUIElementsState guiState;
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int drawButtons(cv::Mat &display);
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friend bool onButtonClicked(cv::Rect buttonPlace, int x, int y);
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};

‎sample_Moskalenko/main.cpp‎

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#include <opencv2/core/core.hpp>
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#include <iostream>
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#include "application.hpp"
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using namespace std;
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using namespace cv;
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enum ErrorCode {
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OK,
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WRONG_ARGUMENTS,
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WRONG_INPUT,
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CANT_PROCESS
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};
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int main(int argc, const char **argv)
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{
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Application app;
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Application::Parameters params;
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if (app.parseArguments(argc, argv, params) != 0)
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{
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cout << "sample_template <image_name>" << endl;
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cout << "<image_name> - image name for filtering" << endl;
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return WRONG_ARGUMENTS;
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}
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Mat src;
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if (app.getFrame(params.imgFileName, src) != 0)
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{
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cout << "Error: \'src\' image is null or empty!" << endl;
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return WRONG_INPUT;
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}
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const std::string caption = "OpenCV Sample";
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char key = 0;
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Mat dst(src.rows, src.cols, src.type());
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while (key != 27) // Esc
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{
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key = app.showFrame(caption, src, dst);
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}
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return OK;
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}

‎sample_Moskalenko/processing.cpp‎

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#include "processing.hpp"
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#include <opencv2/imgproc/imgproc.hpp>
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using namespace cv;
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void Processing::processFrame(const cv::Mat& src, cv::Mat& dst)
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{
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src.copyTo(dst);
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cv::Rect region(src.rows/4, src.cols/4, src.rows/2, src.cols/2);
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Mat roi = dst(region);
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const int kSize = 11;
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medianBlur(roi, roi, kSize);
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rectangle(dst, region, Scalar(255, 0, 0));
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}

‎sample_Moskalenko/processing.hpp‎

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#pragma once
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#include <opencv2/core/core.hpp>
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class Processing
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{
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public:
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void processFrame(const cv::Mat& src, cv::Mat& dst);
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};

‎sample_template/application.cpp‎

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using namespace cv;
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bool testfunction() { return true; }
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int Application::parseArguments(int argc, const char **argv,
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Application::Parameters &params)
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{

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