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Merge pull request #15637 from APrigarina:3.4_version2

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QR-Code detection: accuracy improvement (fixed)
pull/15644/head
Alexander Alekhin 6 years ago committed by GitHub
parent a105f56957 c99db2b9db
commit deea46000e
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1 changed files with 16 additions and 12 deletions
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  1. 28
      modules/objdetect/src/qrcode.cpp

28
modules/objdetect/src/qrcode.cpp
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@ -359,22 +359,26 @@ bool QRDetect::localization()
bool suare_flag = false, local_points_flag = false;
double triangle_sides[3];
triangle_sides[0] = norm(localization_points[0] - localization_points[1]);
triangle_sides[1] = norm(localization_points[1] - localization_points[2]);
triangle_sides[2] = norm(localization_points[2] - localization_points[0]);
double triangle_perim, square_area, img_square_area;
if (localization_points.size() == 3)
{
triangle_sides[0] = norm(localization_points[0] - localization_points[1]);
triangle_sides[1] = norm(localization_points[1] - localization_points[2]);
triangle_sides[2] = norm(localization_points[2] - localization_points[0]);
double triangle_perim = (triangle_sides[0] + triangle_sides[1] + triangle_sides[2]) / 2;
triangle_perim = (triangle_sides[0] + triangle_sides[1] + triangle_sides[2]) / 2;
double square_area = sqrt((triangle_perim * (triangle_perim - triangle_sides[0])
* (triangle_perim - triangle_sides[1])
* (triangle_perim - triangle_sides[2]))) * 2;
double img_square_area = bin_barcode.cols * bin_barcode.rows;
square_area = sqrt((triangle_perim * (triangle_perim - triangle_sides[0])
* (triangle_perim - triangle_sides[1])
* (triangle_perim - triangle_sides[2]))) * 2;
img_square_area = bin_barcode.cols * bin_barcode.rows;
if (square_area > (img_square_area * 0.2))
{
suare_flag = true;
if (square_area > (img_square_area * 0.2))
{
suare_flag = true;
}
}
if (localization_points.size() != 3)
else
{
local_points_flag = true;
}

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