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nodes/infers/vp_ppocr_text_detector_node.h

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+#pragma once
+
+#ifdef VP_WITH_PADDLE
+#include "../vp_primary_infer_node.h"
+#include "../../third_party/paddle_ocr/include/paddleocr.h"
+
+namespace vp_nodes {
+    // ocr based on paddle ocr
+    // paddle ocr project(official): https://github.com/PaddlePaddle/PaddleOCR
+    // source code(modified based on official): ../../third_party/paddle_ocr
+    // note:
+    // this class is not based on opencv::dnn module but paddle, a few data members declared in base class are not usable any more(just ignore), such as vp_infer_node::net.
+    class vp_ppocr_text_detector_node: public vp_primary_infer_node
+    {
+    private:
+        // paddle ocr instance
+        std::shared_ptr<PaddleOCR::PPOCR> ocr;
+    protected:
+        // we need a totally new logic for the whole infer combinations
+        // no separate step pre-defined needed in base class
+        virtual void run_infer_combinations(const std::vector<std::shared_ptr<vp_objects::vp_frame_meta>>& frame_meta_with_batch) override;
+        // override pure virtual method, for compile pass
+        virtual void postprocess(const std::vector<cv::Mat>& raw_outputs, const std::vector<std::shared_ptr<vp_objects::vp_frame_meta>>& frame_meta_with_batch) override;
+    public:
+        vp_ppocr_text_detector_node(std::string node_name, 
+                                    std::string det_model_dir = "", 
+                                    std::string cls_model_dir = "", 
+                                    std::string rec_model_dir = "", 
+                                    std::string rec_char_dict_path = "");
+        ~vp_ppocr_text_detector_node();
+    };
+}
+#endif