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Added QR code decoding.

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This commit is contained in:
Alexander Nesterov
2018-08-17 13:01:02 -03:00
parent 50beef605b
commit 53ec8f286b
14 changed files with 2175 additions and 22 deletions
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modules/objdetect/test/test_qrcode.cpp
+31 -14
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@@ -4,19 +4,15 @@
#include "test_precomp.hpp"
namespace opencv_test { namespace {
std::string qrcode_images_name[] = {
// "20110817_030.jpg",
"20110817_048.jpg",
"img_20120226_161648.jpg",
"img_2714.jpg",
"img_2716.jpg",
"img_3011.jpg",
"img_3029.jpg",
"img_3070.jpg",
"qr_test_030.jpg"
"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"
};
// #define UPDATE_QRCODE_TEST_DATA
@@ -35,15 +31,21 @@ TEST(Objdetect_QRCode, generate_test_data)
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);
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 << "]";
file_config << "info" << decoded_info;
file_config << "}";
}
file_config << "]";
file_config.release();
@@ -59,11 +61,15 @@ TEST_P(Objdetect_QRCode, regression)
const int pixels_error = 3;
std::string image_path = findDataFile(root + name_current_image);
Mat src = imread(image_path, IMREAD_GRAYSCALE);
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;
ASSERT_TRUE(detectQRCode(src, corners));
#ifdef HAVE_QUIRC
ASSERT_TRUE(decodeQRCode(src, corners, decoded_info, straight_barcode));
#endif
const std::string dataset_config = findDataFile(root + "dataset_config.json", false);
FileStorage file_config(dataset_config, FileStorage::READ);
@@ -86,6 +92,12 @@ TEST_P(Objdetect_QRCode, regression)
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
}
}
@@ -103,9 +115,14 @@ INSTANTIATE_TEST_CASE_P(/**/, Objdetect_QRCode, testing::ValuesIn(qrcode_images_
TEST(Objdetect_QRCode_basic, not_found_qrcode)
{
std::vector<Point> corners;
std::vector<Point> corners, straight_barcode;
std::string decoded_info;
Mat zero_image = Mat::zeros(256, 256, CV_8UC1);
EXPECT_FALSE(detectQRCode(zero_image, corners));
#ifdef HAVE_QUIRC
corners = std::vector<Point>(4);
EXPECT_FALSE(decodeQRCode(zero_image, corners, decoded_info, straight_barcode));
#endif
}