opencv学习-图像混合

Posted 2021-06-29 殇堼

图像混合：大小、通道数、类型都相同的两张图像按照一定的比例进行合并的过程。

#include <opencv2/opencv.hpp>
#include <iostream>

using namespace std;
using namespace cv;

int main(int argc, char** argv) {
	Mat a, b, c;
	a = imread("D:/images/1.png");
	b = imread("D:/images/2.png");
	if (a.empty()) {
		printf("could not load image which named a.png...");
			return -1;
	}
	if (a.empty()) {
		printf("could not load image which named b.png...");
			return -1;
	}

	double t = 0.5;//表示1的占比为0.5
	if (a.rows == b.rows && a.cols == b.cols && a.type() == b.type()) {
		addWeighted(a, alpha, b, (1.0 - t), 0.0, c);
		// multiply(src1, src2, dst, 1.0);

		imshow("1", a);
		imshow("2", b);
		imshow("1 and 2", c);
	}
	else {
		printf("could not blend images , the size of images is not same...\\n");
		return -1;
	}

	waitKey(0);
	return 0;
}

快速混合

#include <opencv2/opencv.hpp>
#include <iostream>

using namespace std;
using namespace cv;

int main(int argc, char** argv) {
	Mat a, b, c;
	a = imread("D:/images/1.png");
	b = imread("D:/images/2.png");
	
	double alpha = 0.5;
	if (a.rows == b.rows && a.cols == b.cols && a.type() == b.type()) {
		addWeighted(a, alpha, b, (1.0 - alpha), 0, c);
		imshow("1", a);
		imshow("2", b);
		imshow("1 and 2", c);
	}
	else {
		printf("could not blend images , the size of images is not same...\\n");
		return -1;
	}

	waitKey(0);
	return 0;
}