OpenCV_4.2.0/opencv-4.2.0/modules/objdetect/test/test_qrcode.cpp

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2024-07-25 16:47:56 +08:00
// 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.
#include "test_precomp.hpp"
namespace opencv_test { namespace {
std::string qrcode_images_name[] = {
"version_1_down.jpg", "version_1_left.jpg", "version_1_right.jpg", "version_1_up.jpg", "version_1_top.jpg",
"version_2_down.jpg", "version_2_left.jpg", "version_2_right.jpg", "version_2_up.jpg", "version_2_top.jpg",
"version_3_down.jpg", "version_3_left.jpg", "version_3_right.jpg", "version_3_up.jpg", "version_3_top.jpg",
"version_4_down.jpg", "version_4_left.jpg", "version_4_right.jpg", "version_4_up.jpg", "version_4_top.jpg",
"version_5_down.jpg", "version_5_left.jpg", "version_5_right.jpg", "version_5_up.jpg", "version_5_top.jpg",
"russian.jpg", "kanji.jpg", "link_github_ocv.jpg", "link_ocv.jpg", "link_wiki_cv.jpg"
};
std::string qrcode_images_close[] = {
"close_1.png", "close_2.png", "close_3.png", "close_4.png", "close_5.png"
};
std::string qrcode_images_monitor[] = {
"monitor_1.png", "monitor_2.png", "monitor_3.png", "monitor_4.png", "monitor_5.png"
};
// #define UPDATE_QRCODE_TEST_DATA
#ifdef UPDATE_QRCODE_TEST_DATA
TEST(Objdetect_QRCode, generate_test_data)
{
const std::string root = "qrcode/";
const std::string dataset_config = findDataFile(root + "dataset_config.json");
FileStorage file_config(dataset_config, FileStorage::WRITE);
file_config << "test_images" << "[";
size_t images_count = sizeof(qrcode_images_name) / sizeof(qrcode_images_name[0]);
for (size_t i = 0; i < images_count; i++)
{
file_config << "{:" << "image_name" << qrcode_images_name[i];
std::string image_path = findDataFile(root + qrcode_images_name[i]);
std::vector<Point> corners;
Mat src = imread(image_path, IMREAD_GRAYSCALE), straight_barcode;
std::string decoded_info;
ASSERT_FALSE(src.empty()) << "Can't read image: " << image_path;
EXPECT_TRUE(detectQRCode(src, corners));
#ifdef HAVE_QUIRC
EXPECT_TRUE(decodeQRCode(src, corners, decoded_info, straight_barcode));
#endif
file_config << "x" << "[:";
for (size_t j = 0; j < corners.size(); j++) { file_config << corners[j].x; }
file_config << "]";
file_config << "y" << "[:";
for (size_t j = 0; j < corners.size(); j++) { file_config << corners[j].y; }
file_config << "]";
file_config << "info" << decoded_info;
file_config << "}";
}
file_config << "]";
file_config.release();
}
TEST(Objdetect_QRCode_Close, generate_test_data)
{
const std::string root = "qrcode/close/";
const std::string dataset_config = findDataFile(root + "dataset_config.json");
FileStorage file_config(dataset_config, FileStorage::WRITE);
file_config << "close_images" << "[";
size_t close_count = sizeof(qrcode_images_close) / sizeof(qrcode_images_close[0]);
for (size_t i = 0; i < close_count; i++)
{
file_config << "{:" << "image_name" << qrcode_images_close[i];
std::string image_path = findDataFile(root + qrcode_images_close[i]);
std::vector<Point> corners;
Mat src = imread(image_path, IMREAD_GRAYSCALE), barcode, straight_barcode;
std::string decoded_info;
ASSERT_FALSE(src.empty()) << "Can't read image: " << image_path;
const double min_side = std::min(src.size().width, src.size().height);
double coeff_expansion = 1024.0 / min_side;
const int width = cvRound(src.size().width * coeff_expansion);
const int height = cvRound(src.size().height * coeff_expansion);
Size new_size(width, height);
resize(src, barcode, new_size, 0, 0, INTER_LINEAR);
EXPECT_TRUE(detectQRCode(barcode, corners));
#ifdef HAVE_QUIRC
EXPECT_TRUE(decodeQRCode(barcode, corners, decoded_info, straight_barcode));
#endif
file_config << "x" << "[:";
for (size_t j = 0; j < corners.size(); j++) { file_config << corners[j].x; }
file_config << "]";
file_config << "y" << "[:";
for (size_t j = 0; j < corners.size(); j++) { file_config << corners[j].y; }
file_config << "]";
file_config << "info" << decoded_info;
file_config << "}";
}
file_config << "]";
file_config.release();
}
TEST(Objdetect_QRCode_Monitor, generate_test_data)
{
const std::string root = "qrcode/monitor/";
const std::string dataset_config = findDataFile(root + "dataset_config.json");
FileStorage file_config(dataset_config, FileStorage::WRITE);
file_config << "monitor_images" << "[";
size_t monitor_count = sizeof(qrcode_images_monitor) / sizeof(qrcode_images_monitor[0]);
for (size_t i = 0; i < monitor_count; i++)
{
file_config << "{:" << "image_name" << qrcode_images_monitor[i];
std::string image_path = findDataFile(root + qrcode_images_monitor[i]);
std::vector<Point> corners;
Mat src = imread(image_path, IMREAD_GRAYSCALE), barcode, straight_barcode;
std::string decoded_info;
ASSERT_FALSE(src.empty()) << "Can't read image: " << image_path;
const double min_side = std::min(src.size().width, src.size().height);
double coeff_expansion = 1024.0 / min_side;
const int width = cvRound(src.size().width * coeff_expansion);
const int height = cvRound(src.size().height * coeff_expansion);
Size new_size(width, height);
resize(src, barcode, new_size, 0, 0, INTER_LINEAR);
EXPECT_TRUE(detectQRCode(barcode, corners));
#ifdef HAVE_QUIRC
EXPECT_TRUE(decodeQRCode(barcode, corners, decoded_info, straight_barcode));
#endif
file_config << "x" << "[:";
for (size_t j = 0; j < corners.size(); j++) { file_config << corners[j].x; }
file_config << "]";
file_config << "y" << "[:";
for (size_t j = 0; j < corners.size(); j++) { file_config << corners[j].y; }
file_config << "]";
file_config << "info" << decoded_info;
file_config << "}";
}
file_config << "]";
file_config.release();
}
#else
typedef testing::TestWithParam< std::string > Objdetect_QRCode;
TEST_P(Objdetect_QRCode, regression)
{
const std::string name_current_image = GetParam();
const std::string root = "qrcode/";
const int pixels_error = 3;
std::string image_path = findDataFile(root + name_current_image);
Mat src = imread(image_path, IMREAD_GRAYSCALE), straight_barcode;
ASSERT_FALSE(src.empty()) << "Can't read image: " << image_path;
std::vector<Point> corners;
std::string decoded_info;
QRCodeDetector qrcode;
#ifdef HAVE_QUIRC
decoded_info = qrcode.detectAndDecode(src, corners, straight_barcode);
ASSERT_FALSE(corners.empty());
ASSERT_FALSE(decoded_info.empty());
#else
ASSERT_TRUE(qrcode.detect(src, corners));
#endif
const std::string dataset_config = findDataFile(root + "dataset_config.json");
FileStorage file_config(dataset_config, FileStorage::READ);
ASSERT_TRUE(file_config.isOpened()) << "Can't read validation data: " << dataset_config;
{
FileNode images_list = file_config["test_images"];
size_t images_count = static_cast<size_t>(images_list.size());
ASSERT_GT(images_count, 0u) << "Can't find validation data entries in 'test_images': " << dataset_config;
for (size_t index = 0; index < images_count; index++)
{
FileNode config = images_list[(int)index];
std::string name_test_image = config["image_name"];
if (name_test_image == name_current_image)
{
for (int i = 0; i < 4; i++)
{
int x = config["x"][i];
int y = config["y"][i];
EXPECT_NEAR(x, corners[i].x, pixels_error);
EXPECT_NEAR(y, corners[i].y, pixels_error);
}
#ifdef HAVE_QUIRC
std::string original_info = config["info"];
EXPECT_EQ(decoded_info, original_info);
#endif
return; // done
}
}
std::cerr
<< "Not found results for '" << name_current_image
<< "' image in config file:" << dataset_config << std::endl
<< "Re-run tests with enabled UPDATE_QRCODE_TEST_DATA macro to update test data."
<< std::endl;
}
}
typedef testing::TestWithParam< std::string > Objdetect_QRCode_Close;
TEST_P(Objdetect_QRCode_Close, regression)
{
const std::string name_current_image = GetParam();
const std::string root = "qrcode/close/";
const int pixels_error = 3;
std::string image_path = findDataFile(root + name_current_image);
Mat src = imread(image_path, IMREAD_GRAYSCALE), barcode, straight_barcode;
ASSERT_FALSE(src.empty()) << "Can't read image: " << image_path;
const double min_side = std::min(src.size().width, src.size().height);
double coeff_expansion = 1024.0 / min_side;
const int width = cvRound(src.size().width * coeff_expansion);
const int height = cvRound(src.size().height * coeff_expansion);
Size new_size(width, height);
resize(src, barcode, new_size, 0, 0, INTER_LINEAR);
std::vector<Point> corners;
std::string decoded_info;
QRCodeDetector qrcode;
#ifdef HAVE_QUIRC
decoded_info = qrcode.detectAndDecode(barcode, corners, straight_barcode);
ASSERT_FALSE(corners.empty());
ASSERT_FALSE(decoded_info.empty());
#else
ASSERT_TRUE(qrcode.detect(src, corners));
#endif
const std::string dataset_config = findDataFile(root + "dataset_config.json");
FileStorage file_config(dataset_config, FileStorage::READ);
ASSERT_TRUE(file_config.isOpened()) << "Can't read validation data: " << dataset_config;
{
FileNode images_list = file_config["close_images"];
size_t images_count = static_cast<size_t>(images_list.size());
ASSERT_GT(images_count, 0u) << "Can't find validation data entries in 'test_images': " << dataset_config;
for (size_t index = 0; index < images_count; index++)
{
FileNode config = images_list[(int)index];
std::string name_test_image = config["image_name"];
if (name_test_image == name_current_image)
{
for (int i = 0; i < 4; i++)
{
int x = config["x"][i];
int y = config["y"][i];
EXPECT_NEAR(x, corners[i].x, pixels_error);
EXPECT_NEAR(y, corners[i].y, pixels_error);
}
#ifdef HAVE_QUIRC
std::string original_info = config["info"];
EXPECT_EQ(decoded_info, original_info);
#endif
return; // done
}
}
std::cerr
<< "Not found results for '" << name_current_image
<< "' image in config file:" << dataset_config << std::endl
<< "Re-run tests with enabled UPDATE_QRCODE_TEST_DATA macro to update test data."
<< std::endl;
}
}
typedef testing::TestWithParam< std::string > Objdetect_QRCode_Monitor;
TEST_P(Objdetect_QRCode_Monitor, regression)
{
const std::string name_current_image = GetParam();
const std::string root = "qrcode/monitor/";
const int pixels_error = 3;
std::string image_path = findDataFile(root + name_current_image);
Mat src = imread(image_path, IMREAD_GRAYSCALE), barcode, straight_barcode;
ASSERT_FALSE(src.empty()) << "Can't read image: " << image_path;
const double min_side = std::min(src.size().width, src.size().height);
double coeff_expansion = 1024.0 / min_side;
const int width = cvRound(src.size().width * coeff_expansion);
const int height = cvRound(src.size().height * coeff_expansion);
Size new_size(width, height);
resize(src, barcode, new_size, 0, 0, INTER_LINEAR);
std::vector<Point> corners;
std::string decoded_info;
QRCodeDetector qrcode;
#ifdef HAVE_QUIRC
decoded_info = qrcode.detectAndDecode(barcode, corners, straight_barcode);
ASSERT_FALSE(corners.empty());
ASSERT_FALSE(decoded_info.empty());
#else
ASSERT_TRUE(qrcode.detect(src, corners));
#endif
const std::string dataset_config = findDataFile(root + "dataset_config.json");
FileStorage file_config(dataset_config, FileStorage::READ);
ASSERT_TRUE(file_config.isOpened()) << "Can't read validation data: " << dataset_config;
{
FileNode images_list = file_config["monitor_images"];
size_t images_count = static_cast<size_t>(images_list.size());
ASSERT_GT(images_count, 0u) << "Can't find validation data entries in 'test_images': " << dataset_config;
for (size_t index = 0; index < images_count; index++)
{
FileNode config = images_list[(int)index];
std::string name_test_image = config["image_name"];
if (name_test_image == name_current_image)
{
for (int i = 0; i < 4; i++)
{
int x = config["x"][i];
int y = config["y"][i];
EXPECT_NEAR(x, corners[i].x, pixels_error);
EXPECT_NEAR(y, corners[i].y, pixels_error);
}
#ifdef HAVE_QUIRC
std::string original_info = config["info"];
EXPECT_EQ(decoded_info, original_info);
#endif
return; // done
}
}
std::cerr
<< "Not found results for '" << name_current_image
<< "' image in config file:" << dataset_config << std::endl
<< "Re-run tests with enabled UPDATE_QRCODE_TEST_DATA macro to update test data."
<< std::endl;
}
}
INSTANTIATE_TEST_CASE_P(/**/, Objdetect_QRCode, testing::ValuesIn(qrcode_images_name));
INSTANTIATE_TEST_CASE_P(/**/, Objdetect_QRCode_Close, testing::ValuesIn(qrcode_images_close));
INSTANTIATE_TEST_CASE_P(/**/, Objdetect_QRCode_Monitor, testing::ValuesIn(qrcode_images_monitor));
TEST(Objdetect_QRCode_basic, not_found_qrcode)
{
std::vector<Point> corners;
Mat straight_barcode;
std::string decoded_info;
Mat zero_image = Mat::zeros(256, 256, CV_8UC1);
QRCodeDetector qrcode;
EXPECT_FALSE(qrcode.detect(zero_image, corners));
#ifdef HAVE_QUIRC
corners = std::vector<Point>(4);
EXPECT_ANY_THROW(qrcode.decode(zero_image, corners, straight_barcode));
#endif
}
#endif // UPDATE_QRCODE_TEST_DATA
}} // namespace