	//使用鼠標響應事件在 inpaintMask 繪制掩模，用于圖片修復
	if (event == EVENT_LBUTTONUP || !(flags & EVENT_FLAG_LBUTTON))
	{
		prevPt = Point(-1, -1);
	}
	else if (event == EVENT_LBUTTONDOWN)
	{
		prevPt = Point(x, y);
	}
	else if (event == EVENT_MOUSEMOVE && (flags & EVENT_FLAG_LBUTTON))
	{
		prevPt = Point(x, y);
		//繪制掩模圖像
		circle(inpaintMask, prevPt, 2, Scalar::all(255), -1);
		//imshow("inpaintMask", inpaintMask);

		//圖像修復
		Mat result;
		inpaint(src, inpaintMask, result, 1, INPAINT_NS);
		//imshow("image", result);
	}

如圖為掩模圖像，接下來使用inpaint就可以對圖像進行修復了。

二、源碼

#include <iostream>
#include<opencv2/opencv.hpp>
#include<opencv2/photo.hpp>
using namespace cv;
using namespace std;

/*
void inpaint(
		InputArray src,   原圖
		InputArray inpaintMask, 二進制掩模，指示要修復的像素
		OutputArray dst,  目標圖像
		double inpaintRadius, 像素周圍的鄰域補繪。通常，如果要修復的區(qū)域很小，則使用較小的值僅產生較少模糊
		int flags     INPAINT_NS  或 INPAINT_TELEA
		)
*/


Mat src, inpaintMask;
Point prevPt(-1, -1);

static void onMouse(int event, int x, int y, int flags, void*)
{
	//使用鼠標響應事件在 inpaintMask 繪制掩模，用于圖片修復
	if (event == EVENT_LBUTTONUP || !(flags & EVENT_FLAG_LBUTTON))
	{
		prevPt = Point(-1, -1);
	}
	else if (event == EVENT_LBUTTONDOWN)
	{
		prevPt = Point(x, y);
	}
	else if (event == EVENT_MOUSEMOVE && (flags & EVENT_FLAG_LBUTTON))
	{
		prevPt = Point(x, y);

		//繪制掩模圖像
		circle(inpaintMask, prevPt, 2, Scalar::all(255), -1);
		//imshow("inpaintMask", inpaintMask);

		//圖像修復
		Mat result;
		inpaint(src, inpaintMask, result, 1, INPAINT_NS);
		//imshow("image", result);
	}
}


int main()
{
	src = imread("girl.jpg");
	
	if (src.empty())
	{
		cout << "No Image!" << endl;
		system("pause");
		return -1;
	}

	namedWindow("image", WINDOW_AUTOSIZE);
	imshow("image", src);

	inpaintMask = Mat::zeros(src.size(), CV_8U);  //二進制掩模，指示要修復的像素
	setMouseCallback("image", onMouse, NULL);

	waitKey(0);
	destroyAllWindows();
	system("pause");
	return 0;	
}