first commit

third_party/trt_vehicle/samples/vehicle_plate.cpp

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+#include <opencv2/core/core.hpp>
+#include <opencv2/freetype.hpp>
+#include <string>
+#include <vector>
+
+#include "../models/vehicle_plate_detector.h"
+using namespace std;
+
+/*
+*  vehicle plate demo
+*/
+
+std::map<std::string, cv::Scalar> colors {{"blue", cv::Scalar(255, 0, 0)},
+                                        {"green", cv::Scalar(0, 255, 0)},
+                                        {"yellow", cv::Scalar(0, 255, 255)},
+                                        {"white", cv::Scalar(255, 255, 255)}};
+
+int main(){
+    std::string plateModelPath = "./vp_data/models/trt/plate/det_v8.5.trt";
+    std::string charModelPath = "./vp_data/models/trt/plate/rec_v8.5.trt";
+    auto image = cv::imread("./vp_data/test_images/plates/0.jpg");
+    auto image2 = cv::imread("./vp_data/test_images/plates/1.jpg");
+    auto image3 = cv::imread("./vp_data/test_images/plates/2.jpg");
+    auto plateDetector = new trt_vehicle::VehiclePlateDetector(plateModelPath, charModelPath);
+
+    auto ft2 = cv::freetype::createFreeType2();
+    ft2->loadFontData("./vp_data/font/NotoSansCJKsc-Medium.otf", 0);
+
+    std::vector<std::vector<trt_vehicle::Plate>> results;
+    std::vector<cv::Mat> img_datas = {image, image2, image3};
+    plateDetector->detect(img_datas, results, true);
+
+    for (int i = 0; i < results.size(); i++) {
+        /* code */
+        for (int j = 0; j < results[i].size(); j++)
+        {
+            /* code */
+            auto& plate = results[i][j];
+            cv::rectangle(img_datas[i], cv::Rect(plate.x, plate.y, plate.width, plate.height), colors.at(plate.color), 2);
+            //cv::putText(img_datas[i], plate.text, cv::Point(plate.x, plate.y), 1, 0.8, colors.at(plate.color));
+            ft2->putText(img_datas[i], plate.text, cv::Point(plate.x, plate.y), 20, colors.at(plate.color), cv::FILLED, cv::LINE_AA, true);
+        }
+        
+    }
+    cv::imshow("image", image);
+    cv::imshow("image2", image2);
+    cv::imshow("image3", image3);
+    
+    cv::waitKey(0);
+    delete plateDetector;
+    return 0;
+}