Add OpenCV test6

OpenCV_test/test5_brightless/.vscode/settings.json

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+{
+    "C_Cpp.default.configurationProvider": "ms-vscode.cmake-tools"
+}

OpenCV_test/test5_brightless/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.0.0)
+project(OpenCV_test5 VERSION 1.0.0)
+
+#Find the opencv package
+find_package(OpenCV REQUIRED)
+
+#include directories for opencv
+include_directories(${OpenCV_INCLUDE_DIRS})
+
+add_executable(${PROJECT_NAME} main.cpp)
+
+#Add command to generate .gitignore
+add_custom_command(TARGET ${PROJECT_NAME} 
+                   COMMAND echo \"*\" > ${CMAKE_BINARY_DIR}/.gitignore
+                   COMMAND echo \"**/*\" > ${CMAKE_BINARY_DIR}/.hgignore)
+
+#Add OpenCV Libraries
+target_link_libraries(${PROJECT_NAME} ${OpenCV_LIBS})

OpenCV_test/test5_brightless/main.cpp

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+#include <opencv2/opencv.hpp>
+#include <iostream>
+
+using namespace cv;
+
+int main(int argc, char **argv)
+{
+    std::string filename;
+    Mat image;
+    int brightless = 0;
+
+    // Get Filename
+    std::cout << "Input Filename:";
+    std::cin >> filename;
+
+    if (filename != "")
+    {
+        image = imread(filename, IMREAD_COLOR);
+        if (image.empty())
+        {
+            std::cout << "Failed to open the image!" << std::endl;
+            return -1;
+        }
+    }
+
+    Mat dst = Mat::zeros(image.size(), image.type());
+    Mat m = Mat::zeros(image.size(), image.type());
+    namedWindow("Image brightless test", WINDOW_NORMAL);
+    imshow("Image brightless test", image);
+
+    while (1)
+    {
+        int c = waitKey(1);
+        if (c != -1)
+        {
+            std::cout << c << std::endl;
+        }
+        if (c == 27)
+        {
+            break;
+        }
+        if (c == 45)
+        {
+            if (brightless > 0)
+            {
+                brightless -= 5;
+            }
+            m = Scalar(brightless, brightless, brightless);
+            add(image, m, dst);
+            imshow("Image brightless test", dst);
+        }
+        if (c == 61)
+        {
+            if (brightless < 100)
+            {
+                brightless += 5;
+            }
+            m = Scalar(brightless, brightless, brightless);
+            add(image, m, dst);
+            imshow("Image brightless test", dst);
+        }
+    }
+
+    destroyAllWindows();
+    return 0;
+}

OpenCV_test/test6_imagemask/.vscode/settings.json

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+{
+    "C_Cpp.default.configurationProvider": "ms-vscode.cmake-tools"
+}

OpenCV_test/test6_imagemask/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.0.0)
+project(OpenCV_test6 VERSION 1.0.0)
+
+#Find the opencv package
+find_package(OpenCV REQUIRED)
+
+#include directories for opencv
+include_directories(${OpenCV_INCLUDE_DIRS})
+
+add_executable(${PROJECT_NAME} main.cpp)
+
+#Add command to generate .gitignore
+add_custom_command(TARGET ${PROJECT_NAME} 
+                   COMMAND echo \"*\" > ${CMAKE_BINARY_DIR}/.gitignore
+                   COMMAND echo \"**/*\" > ${CMAKE_BINARY_DIR}/.hgignore)
+
+#Add OpenCV Libraries
+target_link_libraries(${PROJECT_NAME} ${OpenCV_LIBS})

OpenCV_test/test6_imagemask/main.cpp

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+#include <opencv2/opencv.hpp>
+#include <iostream>
+
+using namespace cv;
+
+int main(int argc, char **argv)
+{
+    std::string filename;
+    Mat image, hsv_image, mask;
+    int brightless = 0;
+
+    // Get Filename
+    std::cout << "Input Filename:";
+    std::cin >> filename;
+
+    // Load the image
+    if (filename != "")
+    {
+        image = imread(filename, IMREAD_COLOR);
+        if (image.empty())
+        {
+            std::cout << "Failed to open the image!" << std::endl;
+            return -1;
+        }
+    }
+
+    // Convert the image to HSV color and filter the background color
+    cvtColor(image, hsv_image, COLOR_BGR2HSV);
+
+    // Output the statistics
+    double minv, maxv;
+    Point minloc, maxloc;
+    std::vector<Mat> mv;
+    split(image, mv);
+    for (int i = 0; i < mv.size(); i++)
+    {
+        minMaxLoc(mv[i], &minv, &maxv, &minloc, &maxloc);
+        std::cout << "min:" << minv << " max:" << maxv << " minloc:"
+                  << minloc << " maxloc:" << maxloc << std::endl;
+    }
+    Mat mean, stddev;
+    meanStdDev(image, mean, stddev);
+    std::cout << "mean:" << std::endl << mean << std::endl;
+    std::cout << "stddev" << std::endl << stddev << std::endl;
+    inRange(hsv_image, Scalar(35, 43, 46), Scalar(77, 255, 255), mask);
+    namedWindow("Image Mask", WINDOW_NORMAL);
+    imshow("Image Mask", mask);
+
+    while (1)
+    {
+        int c = waitKey(1);
+        if (c != -1)
+        {
+            std::cout << c << std::endl;
+        }
+        if (c == 27)
+        {
+            break;
+        }
+    }
+
+    destroyAllWindows();
+    return 0;
+}