网站开发服务的协议,重庆妇科医院咨询,高端车品牌排行榜,做柜子设计的网站设计1.二值图像
灰度图像 0 - 255二值图像 0#xff08;黑#xff09; / 255#xff08;白#xff09;
2.二值分割
五种阈值分割方法#xff08;阈值T#xff09;#xff1a; 大于T为255#xff0c;小于T为0 大于T为0#xff0c;小于T为255 小于T为原值 else T 小于…1.二值图像
灰度图像 0 - 255二值图像 0黑 / 255白
2.二值分割
五种阈值分割方法阈值T 大于T为255小于T为0 大于T为0小于T为255 小于T为原值 else T 小于T为0 else 原值 大于T为0 else 原值 QString appPath QCoreApplication::applicationDirPath();QString imagePath appPath /A.jpg;Mat img cv::imread(imagePath.toStdString()); if (img.empty()) {return;}namedWindow(input, WINDOW_AUTOSIZE);imshow(input, img);//To gray imageMat gray,binary;cvtColor(img, gray, COLOR_BGR2GRAY);imshow(gray, gray);//二值化threshold(gray, binary, 127, 255, THRESH_BINARY);imshow(THRESH_BINARY, binary);threshold(gray, binary, 127, 255, THRESH_BINARY_INV);imshow(THRESH_BINARY_INV, binary);//阈值化threshold(gray, binary, 127, 255, THRESH_TRUNC);imshow(THRESH_TRUNC, binary);threshold(gray, binary, 127, 255, THRESH_TOZERO);imshow(THRESH_TOZERO, binary);threshold(gray, binary, 127, 255, THRESH_TOZERO_INV);imshow(THRESH_TOZERO_INV, binary);waitKey();destroyAllWindows();3.阈值
1全局阈值
Scalar m mean(gray);
threshold(gray, binary, m[0], 255, THRESH_BINARY);
imshow(THRESH_BINARY, binary);//OTSU
double m_otsu threshold(gray, binary, 0, 255, THRESH_BINARY | THRESH_OTSU);
imshow(THRESH_BINARY_OTSU, binary);//三角法:X光片等
double m_triangle threshold(gray, binary, 0, 255, THRESH_BINARY | THRESH_TRIANGLE);
imshow(THRESH_BINARY_TRIANGLE, binary);2自适应阈值
//均值c
adaptiveThreshold(gray, binary, 255, ADAPTIVE_THRESH_MEAN_C, THRESH_BINARY, 25,10);
imshow(ADAPTIVE_THRESH_MEAN_C, binary);//高斯c
adaptiveThreshold(gray, binary, 255, ADAPTIVE_THRESH_GAUSSIAN_C, THRESH_BINARY, 25, 10);
imshow(ADAPTIVE_THRESH_GAUSSIAN_C, binary);
