diff --git a/modules/objdetect/src/qrcode.cpp b/modules/objdetect/src/qrcode.cpp
index c20385d7b6..ef74a80393 100644
--- a/modules/objdetect/src/qrcode.cpp
+++ b/modules/objdetect/src/qrcode.cpp
@@ -3454,8 +3454,10 @@ int QRDetectMulti::findNumberLocalizationPoints(vector<Point2f>& tmp_localizatio
     Mat tmp_shrinking = bin_barcode;
     int tmp_num_points = 0;
     int num_points = -1;
-    for (eps_horizontal = 0.1; eps_horizontal < 0.4; eps_horizontal += 0.1)
+    double eps = 0.0;
+    for (int epsCoeff = 1; epsCoeff <= 3; epsCoeff++)
     {
+        eps = eps_horizontal * static_cast<double>(epsCoeff);
         tmp_num_points = 0;
         num_points = -1;
         if (purpose == SHRINKING)
@@ -3480,7 +3482,7 @@ int QRDetectMulti::findNumberLocalizationPoints(vector<Point2f>& tmp_localizatio
                 else
                     break;
             }
-            vector<Point2f> list_lines_y = extractVerticalLines(list_lines_x, eps_horizontal);
+            vector<Point2f> list_lines_y = extractVerticalLines(list_lines_x, eps);
             if (list_lines_y.size() < 3)
             {
                 if (k == 0)
@@ -3490,7 +3492,7 @@ int QRDetectMulti::findNumberLocalizationPoints(vector<Point2f>& tmp_localizatio
                     list_lines_x = searchHorizontalLines();
                     if (list_lines_x.empty())
                         break;
-                    list_lines_y = extractVerticalLines(list_lines_x, eps_horizontal);
+                    list_lines_y = extractVerticalLines(list_lines_x, eps);
                     if (list_lines_y.size() < 3)
                         break;
                 }
@@ -3568,7 +3570,7 @@ int QRDetectMulti::findNumberLocalizationPoints(vector<Point2f>& tmp_localizatio
     vector<Vec3d> list_lines_x = searchHorizontalLines();
     if (list_lines_x.empty())
         return num_points;
-    vector<Point2f> list_lines_y = extractVerticalLines(list_lines_x, eps_horizontal);
+    vector<Point2f> list_lines_y = extractVerticalLines(list_lines_x, eps);
     if (list_lines_y.size() < 3)
         return num_points;
     if (num_points < 3)
diff --git a/modules/objdetect/test/test_qrcode.cpp b/modules/objdetect/test/test_qrcode.cpp
index 3830439765..c49480d38f 100644
--- a/modules/objdetect/test/test_qrcode.cpp
+++ b/modules/objdetect/test/test_qrcode.cpp
@@ -679,4 +679,40 @@ TEST(Objdetect_QRCode_detect, detect_regression_22892)
     EXPECT_EQ(corners.size(), 4U);
 }
 
+// See https://github.com/opencv/opencv/issues/27783
+TEST(Objdetect_QRCode_detect, detect_regression_27783)
+{
+    const std::string name_current_image = "9_qrcodes.jpg";
+    const std::string root = "qrcode/multiple/";
+
+    std::string image_path = findDataFile(root + name_current_image);
+    Mat src = imread(image_path);
+    ASSERT_FALSE(src.empty()) << "Can't read image: " << image_path;
+
+    std::vector<std::string> info;
+    std::vector<Point> corners;
+
+    {
+        // If default, we can decode 9 QRs.
+        QRCodeDetector qrcode;
+        EXPECT_TRUE(qrcode.detectAndDecodeMulti(src, info, corners));
+        ASSERT_EQ(info.size(), 9UL);
+        ASSERT_EQ(corners.size(), 36UL);
+    }
+
+    {
+        // If setEpsX is too small, we can decode no QRs.
+        QRCodeDetector qrcode;
+        qrcode.setEpsX(0.01);
+        EXPECT_FALSE(qrcode.detectAndDecodeMulti(src, info, corners));
+    }
+
+    {
+        // If setEpsY is too small, we can decode no QRs.
+        QRCodeDetector qrcode;
+        qrcode.setEpsY(0.01);
+        EXPECT_FALSE(qrcode.detectAndDecodeMulti(src, info, corners));
+    }
+}
+
 }} // namespace