objdetect: validate input in qrcode

7 years ago · e14b2ba43c
parent 0bb2c115aa
commit e14b2ba43c
1 changed files with 3 additions and 0 deletions
--- a/modules/objdetect/src/qrcode.cpp
+++ b/modules/objdetect/src/qrcode.cpp
@ -71,8 +71,11 @@ bool QRDecode::localization()
    Point begin, end;

    std::vector<Vec3d> list_lines_x = searchVerticalLines();
+    if (list_lines_x.empty()) return false;
    std::vector<Vec3d> list_lines_y = separateHorizontalLines(list_lines_x);
+    if (list_lines_y.empty()) return false;
    std::vector<Vec3d> result_point = pointClustering(list_lines_y);
+    if (result_point.empty()) return false;
    for (int i = 0; i < 3; i++)
    {
        localization_points.push_back(