551 lines
14 KiB
C++
551 lines
14 KiB
C++
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/*
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* cloning.cpp
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*
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* Author:
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* Siddharth Kherada <siddharthkherada27[at]gmail[dot]com>
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*
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* This tutorial demonstrates how to use OpenCV seamless cloning
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* module.
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*
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* 1- Normal Cloning
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* 2- Mixed Cloning
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* 3- Monochrome Transfer
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* 4- Color Change
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* 5- Illumination change
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* 6- Texture Flattening
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* The program takes as input a source and a destination image (for 1-3 methods)
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* and outputs the cloned image.
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* Step 1:
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* -> In the source image, select the region of interest by left click mouse button. A Polygon ROI will be created by left clicking mouse button.
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* -> To set the Polygon ROI, click the right mouse button or 'd' key.
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* -> To reset the region selected, click the middle mouse button or 'r' key.
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* Step 2:
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* -> In the destination image, select the point where you want to place the ROI in the image by left clicking mouse button.
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* -> To get the cloned result, click the right mouse button or 'c' key.
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* -> To quit the program, use 'q' key.
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*
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* Result: The cloned image will be displayed.
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*/
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#include "opencv2/photo.hpp"
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#include "opencv2/imgproc.hpp"
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#include "opencv2/imgcodecs.hpp"
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#include "opencv2/highgui.hpp"
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#include "opencv2/core.hpp"
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#include <iostream>
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// we're NOT "using namespace std;" here, to avoid collisions between the beta variable and std::beta in c++17
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using std::cin;
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using std::cout;
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using std::endl;
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using std::string;
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using namespace cv;
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Mat img0, img1, img2, res, res1, final, final1, blend;
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Point point;
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int drag = 0;
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int destx, desty;
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int numpts = 100;
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Point* pts = new Point[100];
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Point* pts2 = new Point[100];
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Point* pts_diff = new Point[100];
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int var = 0;
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int flag = 0, flag1 = 0, flag4 = 0;
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int minx, miny, maxx, maxy, lenx, leny;
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int minxd, minyd, maxxd, maxyd, lenxd, lenyd;
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int channel, num, kernel_size;
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float alpha,beta;
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float red, green, blue;
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float low_t, high_t;
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void source(int, int, int, int, void*);
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void destination(int, int, int, int, void*);
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void checkfile(char*);
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void source(int event, int x, int y, int, void*)
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{
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if (event == EVENT_LBUTTONDOWN && !drag)
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{
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if(flag1 == 0)
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{
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if(var==0)
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img1 = img0.clone();
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point = Point(x, y);
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circle(img1,point,2,Scalar(0, 0, 255),-1, 8, 0);
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pts[var] = point;
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var++;
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drag = 1;
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if(var>1)
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line(img1,pts[var-2], point, Scalar(0, 0, 255), 2, 8, 0);
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imshow("Source", img1);
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}
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}
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if (event == EVENT_LBUTTONUP && drag)
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{
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imshow("Source", img1);
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drag = 0;
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}
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if (event == EVENT_RBUTTONDOWN)
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{
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flag1 = 1;
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img1 = img0.clone();
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for(int i = var; i < numpts ; i++)
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pts[i] = point;
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if(var!=0)
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{
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const Point* pts3[1] = {&pts[0]};
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polylines( img1, pts3, &numpts,1, 1, Scalar(0,0,0), 2, 8, 0);
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}
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for(int i=0;i<var;i++)
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{
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minx = min(minx,pts[i].x);
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maxx = max(maxx,pts[i].x);
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miny = min(miny,pts[i].y);
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maxy = max(maxy,pts[i].y);
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}
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lenx = maxx - minx;
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leny = maxy - miny;
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int mid_pointx = minx + lenx/2;
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int mid_pointy = miny + leny/2;
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for(int i=0;i<var;i++)
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{
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pts_diff[i].x = pts[i].x - mid_pointx;
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pts_diff[i].y = pts[i].y - mid_pointy;
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}
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imshow("Source", img1);
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}
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if (event == EVENT_RBUTTONUP)
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{
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flag = var;
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final = Mat::zeros(img0.size(),CV_8UC3);
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res1 = Mat::zeros(img0.size(),CV_8UC1);
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const Point* pts4[1] = {&pts[0]};
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fillPoly(res1, pts4,&numpts, 1, Scalar(255, 255, 255), 8, 0);
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bitwise_and(img0, img0, final,res1);
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imshow("Source", img1);
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if(num == 4)
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{
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colorChange(img0,res1,blend,red,green,blue);
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imshow("Color Change Image", blend);
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waitKey(0);
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}
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else if(num == 5)
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{
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illuminationChange(img0,res1,blend,alpha,beta);
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imshow("Illum Change Image", blend);
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waitKey(0);
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}
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else if(num == 6)
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{
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textureFlattening(img0,res1,blend,low_t,high_t,kernel_size);
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imshow("Texture Flattened", blend);
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waitKey(0);
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}
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}
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if (event == EVENT_MBUTTONDOWN)
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{
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for(int i = 0; i < numpts ; i++)
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{
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pts[i].x=0;
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pts[i].y=0;
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}
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var = 0;
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flag1 = 0;
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minx = INT_MAX; miny = INT_MAX; maxx = INT_MIN; maxy = INT_MIN;
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imshow("Source", img0);
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if(num == 1 || num == 2 || num == 3)
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imshow("Destination",img2);
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drag = 0;
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}
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}
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void destination(int event, int x, int y, int, void*)
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{
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Mat im1;
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minxd = INT_MAX; minyd = INT_MAX; maxxd = INT_MIN; maxyd = INT_MIN;
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im1 = img2.clone();
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if (event == EVENT_LBUTTONDOWN)
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{
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flag4 = 1;
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if(flag1 == 1)
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{
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point = Point(x, y);
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for(int i=0;i<var;i++)
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{
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pts2[i].x = point.x + pts_diff[i].x;
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pts2[i].y = point.y + pts_diff[i].y;
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}
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for(int i=var;i<numpts;i++)
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{
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pts2[i].x = point.x + pts_diff[0].x;
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pts2[i].y = point.y + pts_diff[0].y;
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}
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const Point* pts5[1] = {&pts2[0]};
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polylines( im1, pts5, &numpts,1, 1, Scalar(0,0,255), 2, 8, 0);
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destx = x;
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desty = y;
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imshow("Destination", im1);
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}
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}
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if (event == EVENT_RBUTTONUP)
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{
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for(int i=0;i<flag;i++)
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{
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minxd = min(minxd,pts2[i].x);
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maxxd = max(maxxd,pts2[i].x);
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minyd = min(minyd,pts2[i].y);
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maxyd = max(maxyd,pts2[i].y);
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}
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if(maxxd > im1.size().width || maxyd > im1.size().height || minxd < 0 || minyd < 0)
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{
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cout << "Index out of range" << endl;
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exit(1);
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}
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final1 = Mat::zeros(img2.size(),CV_8UC3);
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res = Mat::zeros(img2.size(),CV_8UC1);
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for(int i=miny, k=minyd;i<(miny+leny);i++,k++)
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for(int j=minx,l=minxd ;j<(minx+lenx);j++,l++)
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{
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for(int c=0;c<channel;c++)
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{
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final1.at<uchar>(k,l*channel+c) = final.at<uchar>(i,j*channel+c);
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}
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}
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const Point* pts6[1] = {&pts2[0]};
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fillPoly(res, pts6, &numpts, 1, Scalar(255, 255, 255), 8, 0);
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if(num == 1 || num == 2 || num == 3)
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{
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seamlessClone(img0,img2,res1,point,blend,num);
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imshow("Cloned Image", blend);
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imwrite("cloned.png",blend);
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waitKey(0);
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}
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for(int i = 0; i < flag ; i++)
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{
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pts2[i].x=0;
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pts2[i].y=0;
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}
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minxd = INT_MAX; minyd = INT_MAX; maxxd = INT_MIN; maxyd = INT_MIN;
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}
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im1.release();
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}
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int main()
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{
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cout << endl;
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cout << "Cloning Module" << endl;
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cout << "---------------" << endl;
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cout << "Step 1:" << endl;
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cout << " -> In the source image, select the region of interest by left click mouse button. A Polygon ROI will be created by left clicking mouse button." << endl;
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cout << " -> To set the Polygon ROI, click the right mouse button or use 'd' key" << endl;
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cout << " -> To reset the region selected, click the middle mouse button or use 'r' key." << endl;
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cout << "Step 2:" << endl;
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cout << " -> In the destination image, select the point where you want to place the ROI in the image by left clicking mouse button." << endl;
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cout << " -> To get the cloned result, click the right mouse button or use 'c' key." << endl;
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cout << " -> To quit the program, use 'q' key." << endl;
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cout << endl;
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cout << "Options: " << endl;
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cout << endl;
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cout << "1) Normal Cloning " << endl;
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cout << "2) Mixed Cloning " << endl;
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cout << "3) Monochrome Transfer " << endl;
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cout << "4) Local Color Change " << endl;
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cout << "5) Local Illumination Change " << endl;
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cout << "6) Texture Flattening " << endl;
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cout << endl;
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cout << "Press number 1-6 to choose from above techniques: ";
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cin >> num;
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cout << endl;
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minx = INT_MAX; miny = INT_MAX; maxx = INT_MIN; maxy = INT_MIN;
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minxd = INT_MAX; minyd = INT_MAX; maxxd = INT_MIN; maxyd = INT_MIN;
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int flag3 = 0;
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if(num == 1 || num == 2 || num == 3)
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{
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string src,dest;
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cout << "Enter Source Image: ";
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cin >> src;
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cout << "Enter Destination Image: ";
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cin >> dest;
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img0 = imread(samples::findFile(src));
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img2 = imread(samples::findFile(dest));
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if(img0.empty())
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{
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cout << "Source Image does not exist" << endl;
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exit(2);
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}
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if(img2.empty())
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{
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cout << "Destination Image does not exist" << endl;
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exit(2);
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}
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channel = img0.channels();
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res = Mat::zeros(img2.size(),CV_8UC1);
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res1 = Mat::zeros(img0.size(),CV_8UC1);
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final = Mat::zeros(img0.size(),CV_8UC3);
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final1 = Mat::zeros(img2.size(),CV_8UC3);
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//////////// source image ///////////////////
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namedWindow("Source", 1);
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setMouseCallback("Source", source, NULL);
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imshow("Source", img0);
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/////////// destination image ///////////////
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namedWindow("Destination", 1);
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setMouseCallback("Destination", destination, NULL);
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imshow("Destination",img2);
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}
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else if(num == 4)
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{
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string src;
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cout << "Enter Source Image: ";
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cin >> src;
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cout << "Enter RGB values: " << endl;
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cout << "Red: ";
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cin >> red;
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cout << "Green: ";
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cin >> green;
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cout << "Blue: ";
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cin >> blue;
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img0 = imread(samples::findFile(src));
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if(img0.empty())
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{
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cout << "Source Image does not exist" << endl;
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exit(2);
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}
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res1 = Mat::zeros(img0.size(),CV_8UC1);
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final = Mat::zeros(img0.size(),CV_8UC3);
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//////////// source image ///////////////////
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namedWindow("Source", 1);
|
||
|
|
setMouseCallback("Source", source, NULL);
|
||
|
|
imshow("Source", img0);
|
||
|
|
|
||
|
|
}
|
||
|
|
else if(num == 5)
|
||
|
|
{
|
||
|
|
string src;
|
||
|
|
cout << "Enter Source Image: ";
|
||
|
|
cin >> src;
|
||
|
|
|
||
|
|
cout << "alpha: ";
|
||
|
|
cin >> alpha;
|
||
|
|
|
||
|
|
cout << "beta: ";
|
||
|
|
cin >> beta;
|
||
|
|
|
||
|
|
img0 = imread(samples::findFile(src));
|
||
|
|
|
||
|
|
if(img0.empty())
|
||
|
|
{
|
||
|
|
cout << "Source Image does not exist" << endl;
|
||
|
|
exit(2);
|
||
|
|
}
|
||
|
|
|
||
|
|
res1 = Mat::zeros(img0.size(),CV_8UC1);
|
||
|
|
final = Mat::zeros(img0.size(),CV_8UC3);
|
||
|
|
|
||
|
|
//////////// source image ///////////////////
|
||
|
|
|
||
|
|
namedWindow("Source", 1);
|
||
|
|
setMouseCallback("Source", source, NULL);
|
||
|
|
imshow("Source", img0);
|
||
|
|
|
||
|
|
}
|
||
|
|
else if(num == 6)
|
||
|
|
{
|
||
|
|
string src;
|
||
|
|
cout << "Enter Source Image: ";
|
||
|
|
cin >> src;
|
||
|
|
|
||
|
|
cout << "low_threshold: ";
|
||
|
|
cin >> low_t;
|
||
|
|
|
||
|
|
cout << "high_threshold: ";
|
||
|
|
cin >> high_t;
|
||
|
|
|
||
|
|
cout << "kernel_size: ";
|
||
|
|
cin >> kernel_size;
|
||
|
|
|
||
|
|
img0 = imread(samples::findFile(src));
|
||
|
|
|
||
|
|
if(img0.empty())
|
||
|
|
{
|
||
|
|
cout << "Source Image does not exist" << endl;
|
||
|
|
exit(2);
|
||
|
|
}
|
||
|
|
|
||
|
|
res1 = Mat::zeros(img0.size(),CV_8UC1);
|
||
|
|
final = Mat::zeros(img0.size(),CV_8UC3);
|
||
|
|
|
||
|
|
//////////// source image ///////////////////
|
||
|
|
|
||
|
|
namedWindow("Source", 1);
|
||
|
|
setMouseCallback("Source", source, NULL);
|
||
|
|
imshow("Source", img0);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
cout << "Wrong Option Chosen" << endl;
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
for(;;)
|
||
|
|
{
|
||
|
|
char key = (char)waitKey(0);
|
||
|
|
|
||
|
|
if(key == 'd' && flag3 == 0)
|
||
|
|
{
|
||
|
|
flag1 = 1;
|
||
|
|
flag3 = 1;
|
||
|
|
img1 = img0.clone();
|
||
|
|
for(int i = var; i < numpts ; i++)
|
||
|
|
pts[i] = point;
|
||
|
|
|
||
|
|
if(var!=0)
|
||
|
|
{
|
||
|
|
const Point* pts3[1] = {&pts[0]};
|
||
|
|
polylines( img1, pts3, &numpts,1, 1, Scalar(0,0,0), 2, 8, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
for(int i=0;i<var;i++)
|
||
|
|
{
|
||
|
|
minx = min(minx,pts[i].x);
|
||
|
|
maxx = max(maxx,pts[i].x);
|
||
|
|
miny = min(miny,pts[i].y);
|
||
|
|
maxy = max(maxy,pts[i].y);
|
||
|
|
}
|
||
|
|
lenx = maxx - minx;
|
||
|
|
leny = maxy - miny;
|
||
|
|
|
||
|
|
int mid_pointx = minx + lenx/2;
|
||
|
|
int mid_pointy = miny + leny/2;
|
||
|
|
|
||
|
|
for(int i=0;i<var;i++)
|
||
|
|
{
|
||
|
|
pts_diff[i].x = pts[i].x - mid_pointx;
|
||
|
|
pts_diff[i].y = pts[i].y - mid_pointy;
|
||
|
|
}
|
||
|
|
|
||
|
|
flag = var;
|
||
|
|
|
||
|
|
final = Mat::zeros(img0.size(),CV_8UC3);
|
||
|
|
res1 = Mat::zeros(img0.size(),CV_8UC1);
|
||
|
|
const Point* pts4[1] = {&pts[0]};
|
||
|
|
|
||
|
|
fillPoly(res1, pts4,&numpts, 1, Scalar(255, 255, 255), 8, 0);
|
||
|
|
bitwise_and(img0, img0, final,res1);
|
||
|
|
|
||
|
|
imshow("Source", img1);
|
||
|
|
}
|
||
|
|
else if(key == 'r')
|
||
|
|
{
|
||
|
|
for(int i = 0; i < numpts ; i++)
|
||
|
|
{
|
||
|
|
pts[i].x=0;
|
||
|
|
pts[i].y=0;
|
||
|
|
}
|
||
|
|
var = 0;
|
||
|
|
flag1 = 0;
|
||
|
|
flag3 = 0;
|
||
|
|
flag4 = 0;
|
||
|
|
minx = INT_MAX; miny = INT_MAX; maxx = INT_MIN; maxy = INT_MIN;
|
||
|
|
imshow("Source", img0);
|
||
|
|
if(num == 1 || num == 2 || num == 3)
|
||
|
|
imshow("Destination",img2);
|
||
|
|
drag = 0;
|
||
|
|
}
|
||
|
|
else if ((num == 1 || num == 2 || num == 3) && key == 'c' && flag1 == 1 && flag4 == 1)
|
||
|
|
{
|
||
|
|
seamlessClone(img0,img2,res1,point,blend,num);
|
||
|
|
imshow("Cloned Image", blend);
|
||
|
|
imwrite("cloned.png",blend);
|
||
|
|
}
|
||
|
|
else if (num == 4 && key == 'c' && flag1 == 1)
|
||
|
|
{
|
||
|
|
colorChange(img0,res1,blend,red,green,blue);
|
||
|
|
imshow("Color Change Image", blend);
|
||
|
|
imwrite("cloned.png",blend);
|
||
|
|
}
|
||
|
|
else if (num == 5 && key == 'c' && flag1 == 1)
|
||
|
|
{
|
||
|
|
illuminationChange(img0,res1,blend,alpha,beta);
|
||
|
|
imshow("Illum Change Image", blend);
|
||
|
|
imwrite("cloned.png",blend);
|
||
|
|
}
|
||
|
|
else if (num == 6 && key == 'c' && flag1 == 1)
|
||
|
|
{
|
||
|
|
textureFlattening(img0,res1,blend,low_t,high_t,kernel_size);
|
||
|
|
imshow("Texture Flattened", blend);
|
||
|
|
imwrite("cloned.png",blend);
|
||
|
|
}
|
||
|
|
else if(key == 'q')
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|