init - 初始化项目

samples/cpp/npr_demo.cpp

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+/*
+* npr_demo.cpp
+*
+* Author:
+* Siddharth Kherada <siddharthkherada27[at]gmail[dot]com>
+*
+* This tutorial demonstrates how to use OpenCV Non-Photorealistic Rendering Module.
+* 1) Edge Preserve Smoothing
+*    -> Using Normalized convolution Filter
+*    -> Using Recursive Filter
+* 2) Detail Enhancement
+* 3) Pencil sketch/Color Pencil Drawing
+* 4) Stylization
+*
+*/
+
+#include <signal.h>
+#include "opencv2/photo.hpp"
+#include "opencv2/imgproc.hpp"
+#include "opencv2/imgcodecs.hpp"
+#include "opencv2/highgui.hpp"
+#include "opencv2/core.hpp"
+#include <iostream>
+#include <stdlib.h>
+
+using namespace std;
+using namespace cv;
+
+int main(int argc, char* argv[])
+{
+    cv::CommandLineParser parser(argc, argv, "{help h||show help message}{@image|lena.jpg|input image}");
+    if (parser.has("help"))
+    {
+        parser.printMessage();
+        return 0;
+    }
+    string filename = samples::findFile(parser.get<string>("@image"));
+
+    Mat I = imread(filename);
+
+    int num,type;
+
+    if(I.empty())
+    {
+        cout <<  "Image not found" << endl;
+        return 1;
+    }
+
+    cout << endl;
+    cout << " Edge Preserve Filter" << endl;
+    cout << "----------------------" << endl;
+
+    cout << "Options: " << endl;
+    cout << endl;
+
+    cout << "1) Edge Preserve Smoothing" << endl;
+    cout << "   -> Using Normalized convolution Filter" << endl;
+    cout << "   -> Using Recursive Filter" << endl;
+    cout << "2) Detail Enhancement" << endl;
+    cout << "3) Pencil sketch/Color Pencil Drawing" << endl;
+    cout << "4) Stylization" << endl;
+    cout << endl;
+
+    cout << "Press number 1-4 to choose from above techniques: ";
+
+    cin >> num;
+
+    Mat img;
+
+    if(num == 1)
+    {
+        cout << endl;
+        cout << "Press 1 for Normalized Convolution Filter and 2 for Recursive Filter: ";
+
+        cin >> type;
+
+        edgePreservingFilter(I,img,type);
+        imshow("Edge Preserve Smoothing",img);
+
+    }
+    else if(num == 2)
+    {
+        detailEnhance(I,img);
+        imshow("Detail Enhanced",img);
+    }
+    else if(num == 3)
+    {
+        Mat img1;
+        pencilSketch(I,img1, img, 10 , 0.1f, 0.03f);
+        imshow("Pencil Sketch",img1);
+        imshow("Color Pencil Sketch",img);
+    }
+    else if(num == 4)
+    {
+        stylization(I,img);
+        imshow("Stylization",img);
+    }
+    waitKey(0);
+}