OpenCV_12计算模式（强光）

最新推荐文章于 2024-08-23 08:00:00 发布

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一，原图：

二，代码：

//12计算模式（强光）
void CalculationMode()
{
	Mat src = imread("D:\\test\\12.jpg");
	imshow("src", src);
	int width = src.cols;
	int heigh = src.rows;
	Mat img;
	src.copyTo(img);

	Mat dst(img.size(), CV_8UC3);
	Mat dst1u[3];


	float tmp, r;
	for (int y = 0; y<heigh; y++)
	{
		uchar* imgP = img.ptr<uchar>(y);
		uchar* dstP = dst.ptr<uchar>(y);
		for (int x = 0; x<width; x++)
		{
			r = (float)imgP[3 * x];
			if (r>127.5)
				tmp = r + (255 - r)*(r - 127.5) / 127.5;
			else
				tmp = r*r / 127.5;
			tmp = tmp>255 ? 255 : tmp;
			tmp = tmp<0 ? 0 : tmp;
			dstP[3 * x] = (uchar)(tmp);

			r = (float)imgP[3 * x + 1];
			if (r>127.5)
				tmp = r + (255 - r)*(r - 127.5) / 127.5;
			else
				tmp = r*r / 127.5;
			tmp = tmp>255 ? 255 : tmp;
			tmp = tmp<0 ? 0 : tmp;
			dstP[3 * x + 1] = (uchar)(tmp);

			r = (float)imgP[3 * x + 2];
			if (r>127.5)
				tmp = r + (255 - r)*(r - 127.5) / 127.5;
			else
				tmp = r*r / 127.5;
			tmp = tmp>255 ? 255 : tmp;
			tmp = tmp<0 ? 0 : tmp;
			dstP[3 * x + 2] = (uchar)(tmp);
		}
	}
	imshow("强光", dst);

	split(dst, dst1u);
	imshow("绿通道强光", dst1u[1]);

	waitKey();
	imwrite("D://强光.jpg", dst);
	imwrite("D://强光_蓝通道.jpg", dst1u[0]);
	imwrite("D://强光_绿通道.jpg", dst1u[1]);
	imwrite("D://强光_红通道.jpg", dst1u[2]);

}

//-----开始------
void COpenCVLearningDlg::OnBnClickedStartButton()
{
	CalculationMode();
}