vendor: OpenCV 5.0.0 snapshot at 40738fb16ceddb5fb3fea747585f7ce6abb0605b

2026-08-22 00:10:33 +08:00
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+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
+// Copyright (c) 2020-2021 darkliang wangberlinT Certseeds
+
+#ifndef OPENCV_BARCODE_BARDETECT_HPP
+#define OPENCV_BARCODE_BARDETECT_HPP
+
+
+#include <opencv2/core.hpp>
+
+namespace cv {
+namespace barcode {
+using std::vector;
+
+class Detect
+{
+private:
+    vector<RotatedRect> localization_rects;
+    vector<RotatedRect> localization_bbox;
+    vector<float> bbox_scores;
+    vector<int> bbox_indices;
+    vector<vector<Point2f>> transformation_points;
+
+
+public:
+    void init(const Mat &src, double detectorThreshDownSamplingLimit);
+
+    void localization(const vector<float>& detectorWindowSizes, double detectorGradientMagnitudeThresh);
+
+    vector<vector<Point2f>> getTransformationPoints()
+    { return transformation_points; }
+
+    bool computeTransformationPoints();
+
+protected:
+    enum resize_direction
+    {
+        ZOOMING, SHRINKING, UNCHANGED
+    } purpose = UNCHANGED;
+
+
+    double coeff_expansion = 1.0;
+    int height, width;
+    Mat resized_barcode, gradient_magnitude, coherence, orientation, edge_nums, integral_x_sq, integral_y_sq, integral_xy, integral_edges;
+
+    void preprocess(double detectorThreshGradientMagnitude);
+
+    void calCoherence(int window_size);
+
+    static inline bool isValidCoord(const Point &coord, const Size &limit);
+
+    void regionGrowing(int window_size);
+
+    void barcodeErode();
+
+
+};
+}
+}
+
+#endif // OPENCV_BARCODE_BARDETECT_HPP