EasyPR/test/accuracy.hpp

#ifndef EASYPR_ACCURACY_HPP
#define EASYPR_ACCURACY_HPP

#include <easypr.h>
#include <ctime>
#include <fstream>
#include <list>
#include <memory>

using namespace std;

namespace easypr {

  namespace demo {

    int accuracyTest(const char* test_path) {
      std::shared_ptr<easypr::Kv> kv(new easypr::Kv);
      kv->load("etc/chinese_mapping");

      auto files = Utils::getFiles(test_path);

      CPlateRecognize pr;

      // <20><><EFBFBD><EFBFBD>Debugģʽ

      pr.setDebug(false);

      pr.setLifemode(true);

      // <20><><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6>ٳ<EFBFBD><D9B3><EFBFBD>

      pr.setMaxPlates(4);

      int size = files.size();

      if (0 == size) {
        cout << "No File Found in general_test/native_test!" << endl;
        return 0;
      }

      cout << "Begin to test the easypr accuracy!" << endl;

      // <20>ܵIJ<DCB5><C4B2><EFBFBD>ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD>

      int count_all = 0;

      // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD>

      int count_err = 0;

      // δʶ<CEB4><CAB6><EFBFBD><EFBFBD>ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD>

      int count_norecogin = 0;

      std::list<std::string> not_recognized_files;

      // <20>ܵ<EFBFBD><DCB5>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD>

      float diff_all = 0;

      // ƽ<><C6BD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD>

      float diff_avg = 0;

      // <20><>ȫƥ<C8AB><C6A5><EFBFBD><EFBFBD>ʶ<EFBFBD><CAB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

      float match_count = 0;

      // <20><>ȫƥ<C8AB><C6A5><EFBFBD><EFBFBD>ʶ<EFBFBD><CAB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռʶ<D5BC><CAB6>ͼƬ<CDBC>еı<D0B5><C4B1><EFBFBD>

      float match_rate = 0;

      // <20><>ʼ<EFBFBD>ͽ<EFBFBD><CDBD><EFBFBD>ʱ<EFBFBD><CAB1>

      time_t begin, end;
      time(&begin);

      for (int i = 0; i < size; i++) {
        string filepath = files[i].c_str();

        // EasyPR<50><52>ʼ<EFBFBD>жϳ<D0B6><CFB3><EFBFBD>

        Mat src = imread(filepath);

        // <20><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>ֱ<EFBFBD>ӹ<EFBFBD>ȥ

        if (!src.data) continue;

        cout << "------------------" << endl;

        // <20><>ȡ<EFBFBD><C8A1>ʵ<EFBFBD>ij<EFBFBD><C4B3><EFBFBD>

        string plateLicense = Utils::getFileName(filepath);
        cout << kv->get("original_plate") << ":" << plateLicense << endl;

        vector<string> plateVec;
        int result = pr.plateRecognize(src, plateVec);
        if (result == 0) {
          int num = plateVec.size();

          if (num == 0) {
            cout << kv->get("empty_plate") << endl;
            if (plateLicense != kv->get("empty_plate")) {
              not_recognized_files.push_back(plateLicense);
              count_norecogin++;
            }
          }
          else if (num > 1) {

            // <20>೵<EFBFBD><E0B3B5>ʹ<EFBFBD><CAB9>diff<66><66>С<EFBFBD><D0A1><EFBFBD>Ǹ<EFBFBD><C7B8><EFBFBD>¼

            int mindiff = 10000;
            for (int j = 0; j < num; j++) {
              cout << plateVec[j] << " (" << j + 1 << ")" << endl;
              string colorplate = plateVec[j];

              // <20><><EFBFBD><EFBFBD>"<22><><EFBFBD><EFBFBD>:<3A><>E7KU22"<22><>ð<EFBFBD>ź<EFBFBD><C5BA><EFBFBD><EFBFBD>ij<EFBFBD><C4B3>ƴ<EFBFBD>С"

              vector<string> spilt_plate = Utils::splitString(colorplate, ':');

              int size = spilt_plate.size();
              if (size == 2 && spilt_plate[1] != "") {
                int diff = utils::levenshtein_distance(plateLicense,
                  spilt_plate[size - 1]);
                if (diff < mindiff) mindiff = diff;
              }
            }

            cout << kv->get("diff") << ":" << mindiff << kv->get("char") << endl;
            if (mindiff == 0) {

              // <20><>ȫƥ<C8AB><C6A5>

              match_count++;
            }
            diff_all = diff_all + mindiff;
          }
          else {

            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>diff

            for (int j = 0; j < num; j++) {
              cout << plateVec[j] << endl;
              string colorplate = plateVec[j];

              // <20><><EFBFBD><EFBFBD>"<22><><EFBFBD><EFBFBD>:<3A><>E7KU22"<22><>ð<EFBFBD>ź<EFBFBD><C5BA><EFBFBD><EFBFBD>ij<EFBFBD><C4B3>ƴ<EFBFBD>С"

              vector<string> spilt_plate = Utils::splitString(colorplate, ':');

              int size = spilt_plate.size();
              if (size == 2 && spilt_plate[1] != "") {
                int diff = utils::levenshtein_distance(plateLicense,
                  spilt_plate[size - 1]);
                cout << kv->get("diff") << ":" << diff << kv->get("char") << endl;

                if (diff == 0) {

                  // <20><>ȫƥ<C8AB><C6A5>

                  match_count++;
                }
                diff_all = diff_all + diff;
              }
            }
          }
        }
        else {
          cout << kv->get("error_code") << ":" << result << endl;
          count_err++;
        }
        count_all++;
      }
      time(&end);

      cout << "------------------" << endl;
      cout << "Easypr accuracy test end!" << endl;
      cout << "------------------" << endl;
      cout << endl;
      cout << kv->get("summaries") << ":" << endl;
      cout << kv->get("sum_pictures") << ":" << count_all << ",  ";
      cout << kv->get("unrecognized") << ":" << count_norecogin << ",  ";

      float count_recogin = float(count_all - (count_err + count_norecogin));
      float count_rate = count_recogin / count_all;
      cout << kv->get("locate_rate") << ":" << count_rate * 100 << "%  " << endl;

      if (count_recogin > 0) {
        diff_avg = diff_all / count_recogin;
      }

      if (count_recogin > 0) {
        match_rate = match_count / count_recogin * 100;
      }

      cout << kv->get("diff_average") << ":" << diff_avg << ",  ";
      cout << kv->get("full_match") << ":" << match_count << ",  ";
      cout << kv->get("full_rate") << ":" << match_rate << "%  " << endl;

      double seconds = difftime(end, begin);
      double avgsec = seconds / double(count_all);

      cout << kv->get("seconds") << ":" << seconds << kv->get("sec") << ",  ";
      cout << kv->get("seconds_average") << ":" << avgsec << kv->get("sec") << endl;

      cout << kv->get("unrecognized") << ":" << endl;

      for (auto it = not_recognized_files.begin(); it != not_recognized_files.end();
        ++it) {
        cout << *it << endl;
      }

      cout << endl;

      cout << "------------------" << endl;

      ofstream myfile("accuracy.txt", ios::app);
      if (myfile.is_open()) {
        time_t t = time(0);  // get time now
        struct tm* now = localtime(&t);
        char buf[80];

        strftime(buf, sizeof(buf), "%Y-%m-%d %X", now);
        myfile << string(buf) << endl;

        myfile << kv->get("sum_pictures") << ":" << count_all << ",  ";
        myfile << kv->get("unrecognized") << ":" << count_norecogin << ",  ";
        myfile << kv->get("locate_rate") << ":" << count_rate * 100 << "%  "
          << endl;
        myfile << kv->get("diff_average") << ":" << diff_avg << ",  ";
        myfile << kv->get("full_match") << ":" << match_count << ",  ";
        myfile << kv->get("full_rate") << ":" << match_rate << "%  " << endl;
        myfile << kv->get("seconds") << ":" << seconds << kv->get("sec") << ",  ";
        myfile << kv->get("seconds_average") << ":" << avgsec << kv->get("sec")
          << endl;
        myfile.close();
      }
      else {
        cout << "Unable to open file";
      }
      return 0;
    }

  }
}

#endif  // EASYPR_ACCURACY_HPP