init - 初始化项目

samples/cpp/tutorial_code/snippets/imgproc_segmentation.cpp

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+#include "opencv2/imgproc.hpp"
+#include "opencv2/imgproc/segmentation.hpp"
+
+using namespace cv;
+
+static
+void usage_example_intelligent_scissors()
+{
+    Mat image(Size(1920, 1080), CV_8UC3, Scalar::all(128));
+
+    //! [usage_example_intelligent_scissors]
+    segmentation::IntelligentScissorsMB tool;
+    tool.setEdgeFeatureCannyParameters(16, 100)  // using Canny() as edge feature extractor
+        .setGradientMagnitudeMaxLimit(200);
+
+    // calculate image features
+    tool.applyImage(image);
+
+    // calculate map for specified source point
+    Point source_point(200, 100);
+    tool.buildMap(source_point);
+
+    // fast fetching of contours
+    // for specified target point and the pre-calculated map (stored internally)
+    Point target_point(400, 300);
+    std::vector<Point> pts;
+    tool.getContour(target_point, pts);
+    //! [usage_example_intelligent_scissors]
+}
+
+int main()
+{
+    usage_example_intelligent_scissors();
+    return 0;
+}