chore: adjust cv2.dilate

Author: dtopuzov

core/utils/image_utils.py

@@ -126,7 +126,7 @@ def get_text(image_path, use_cv2=True):
             thresh = cv2.adaptiveThreshold(gray, 255, 1, 1, 11, 2)
 
             # apply some dilation and erosion to join the gaps - change iteration to detect more or less area's
-            thresh = cv2.dilate(thresh, None, iterations=5)
+            thresh = cv2.dilate(thresh, None, iterations=10)
             thresh = cv2.erode(thresh, None, iterations=3)
 
             # Find the contours

core_tests/unit/utils/image_tests.py

@@ -23,6 +23,7 @@ class ImageUtilsTests(unittest.TestCase):
     app_image = os.path.join(current_folder, 'resources', 'app.png')
     app_image_ng = os.path.join(current_folder, 'resources', 'app_ng.png')
     app_image_ios = os.path.join(current_folder, 'resources', 'app_ios.png')
+    app_image_default_ios = os.path.join(current_folder, 'resources', 'app_ios_default.png')
     iphone_image = os.path.join(current_folder, 'resources', 'screenshot.png')
     unicode_image = os.path.join(current_folder, 'resources', 'unicode.png')
     blue = numpy.array([255, 188, 48])
@@ -43,6 +44,12 @@ def test_03_get_main_color(self):
 
     @unittest.skipIf(os.environ.get('TRAVIS', None) is not None, 'Skip on Travis.')
     def test_04_get_text(self):
+        # OCR on iOS 13
+        text = ImageUtils.get_text(self.app_image_default_ios)
+        assert 'taps left' in text
+        assert 'Tap the button' in text
+        assert 'TAP' in text
+        
         # OCR on Hello-World app
         text = ImageUtils.get_text(self.app_image_ios)
         assert 'My App' in text