Merge pull request #23666 from mshabunin:barcode-move

Moved barcode from opencv_contrib #23666

Merge with https://github.com/opencv/opencv_contrib/pull/3497

##### TODO
- [x] Documentation (bib)
- [x] Tutorial (references)
- [x] Sample app (refactored)
- [x] Java (test passes)
- [x] Python (test passes)
- [x] Build without DNN

modules/objdetect/include/opencv2/objdetect.hpp

@@ -103,6 +103,7 @@ using a Boosted Cascade of Simple Features. IEEE CVPR, 2001. The paper is availa
 <https://github.com/SvHey/thesis/blob/master/Literature/ObjectDetection/violaJones_CVPR2001.pdf>
 
     @defgroup objdetect_hog HOG (Histogram of Oriented Gradients) descriptor and object detector
+    @defgroup objdetect_barcode Barcode detection and decoding
     @defgroup objdetect_qrcode QRCode detection and encoding
     @defgroup objdetect_dnn_face DNN-based face detection and recognition
 Check @ref tutorial_dnn_face "the corresponding tutorial" for more details.
@@ -863,5 +864,6 @@ public:
 #include "opencv2/objdetect/detection_based_tracker.hpp"
 #include "opencv2/objdetect/face.hpp"
 #include "opencv2/objdetect/charuco_detector.hpp"
+#include "opencv2/objdetect/barcode.hpp"
 
 #endif

modules/objdetect/include/opencv2/objdetect/barcode.hpp

@@ -0,0 +1,65 @@
+// 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_OBJDETECT_BARCODE_HPP
+#define OPENCV_OBJDETECT_BARCODE_HPP
+
+#include <opencv2/core.hpp>
+#include <opencv2/objdetect/graphical_code_detector.hpp>
+
+namespace cv {
+namespace barcode {
+
+//! @addtogroup objdetect_barcode
+//! @{
+
+class CV_EXPORTS_W_SIMPLE BarcodeDetector : public cv::GraphicalCodeDetector
+{
+public:
+    /** @brief Initialize the BarcodeDetector.
+    */
+    CV_WRAP BarcodeDetector();
+    /** @brief Initialize the BarcodeDetector.
+     *
+     * Parameters allow to load _optional_ Super Resolution DNN model for better quality.
+     * @param prototxt_path prototxt file path for the super resolution model
+     * @param model_path model file path for the super resolution model
+     */
+    CV_WRAP BarcodeDetector(const std::string &prototxt_path, const std::string &model_path);
+    ~BarcodeDetector();
+
+    /** @brief Decodes barcode in image once it's found by the detect() method.
+     *
+     * @param img grayscale or color (BGR) image containing bar code.
+     * @param points vector of rotated rectangle vertices found by detect() method (or some other algorithm).
+     * For N detected barcodes, the dimensions of this array should be [N][4].
+     * Order of four points in vector<Point2f> is bottomLeft, topLeft, topRight, bottomRight.
+     * @param decoded_info UTF8-encoded output vector of string or empty vector of string if the codes cannot be decoded.
+     * @param decoded_type vector strings, specifies the type of these barcodes
+     * @return true if at least one valid barcode have been found
+     */
+    CV_WRAP bool decodeWithType(InputArray img,
+                             InputArray points,
+                             CV_OUT std::vector<std::string> &decoded_info,
+                             CV_OUT std::vector<std::string> &decoded_type) const;
+
+    /** @brief Both detects and decodes barcode
+
+     * @param img grayscale or color (BGR) image containing barcode.
+     * @param decoded_info UTF8-encoded output vector of string(s) or empty vector of string if the codes cannot be decoded.
+     * @param decoded_type vector of strings, specifies the type of these barcodes
+     * @param points optional output vector of vertices of the found  barcode rectangle. Will be empty if not found.
+     * @return true if at least one valid barcode have been found
+     */
+    CV_WRAP bool detectAndDecodeWithType(InputArray img,
+                                      CV_OUT std::vector<std::string> &decoded_info,
+                                      CV_OUT std::vector<std::string> &decoded_type,
+                                      OutputArray points = noArray()) const;
+};
+//! @}
+
+}} // cv::barcode::
+
+#endif // OPENCV_OBJDETECT_BARCODE_HPP