使用inpaint例子，去除水印

#include "stdafx.h"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/photo/photo.hpp"
#include <iostream>
using namespace cv;
using namespace std;
static void help()
{
cout << " Cool inpainging demo. Inpainting repairs damage to images by floodfilling the damage "
<< "with surrounding image areas. "
"Using OpenCV version %s " << CV_VERSION << " "
"Usage: "
"./inpaint [image_name -- Default fruits.jpg] " << endl;
cout << "Hot keys: "
" ESC - quit the program "
" r - restore the original image "
" i or SPACE - run inpainting algorithm "
" (before running it, paint something on the image) " << endl;
}
Mat img, inpaintMask;
Point prevPt(-1,-1);
static void onMouse( int event, int x, int y, int flags, void* )
{
if( event == CV_EVENT_LBUTTONUP || !(flags & CV_EVENT_FLAG_LBUTTON) )
prevPt = Point(-1,-1);
else if( event == CV_EVENT_LBUTTONDOWN )
prevPt = Point(x,y);
else if( event == CV_EVENT_MOUSEMOVE && (flags & CV_EVENT_FLAG_LBUTTON) )
{
Point pt(x,y);
if( prevPt.x < 0 )
prevPt = pt;
line( inpaintMask, prevPt, pt, Scalar::all(255), 5, 8, 0 );
line( img, prevPt, pt, Scalar::all(255), 5, 8, 0 );
prevPt = pt;
imshow("image", img);
}
}
int main( int argc, char** argv )
{
//读取图像和mask图像
char* filename = argc >= 2 ? argv[1] : (char*)"fruits.jpg";
Mat img0 = imread(filename, -1);
if(img0.empty())
{
cout << "Couldn't open the image " << filename << ". Usage: inpaint <image_name> " << endl;
return 0;
}
namedWindow( "image", 1 );
img = img0.clone();
imshow("image", img);
Mat inpaintMask = imread("mask.jpg", 0);
imshow("mask",inpaintMask);
Mat inpainted;
//注意这个inpaintmask的
inpaint(img, inpaintMask, inpainted, 3, CV_INPAINT_TELEA);
imshow("inpainted image", inpainted);
cv::waitKey();
return 0;
}

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