diff --git a/object_detection_app.py b/object_detection_app.py
index 999ca28..4899720 100644
--- a/object_detection_app.py
+++ b/object_detection_app.py
@@ -89,9 +89,9 @@ def worker(input_q, output_q):
     parser.add_argument('-src', '--source', dest='video_source', type=int,
                         default=0, help='Device index of the camera.')
     parser.add_argument('-wd', '--width', dest='width', type=int,
-                        default=480, help='Width of the frames in the video stream.')
+                        default=None, help='Width of the frames in the video stream.')
     parser.add_argument('-ht', '--height', dest='height', type=int,
-                        default=360, help='Height of the frames in the video stream.')
+                        default=None, help='Height of the frames in the video stream.')
     parser.add_argument('-num-w', '--num-workers', dest='num_workers', type=int,
                         default=2, help='Number of workers.')
     parser.add_argument('-q-size', '--queue-size', dest='queue_size', type=int,
diff --git a/object_detection_multithreading.py b/object_detection_multithreading.py
index e65f12e..97e6e4a 100644
--- a/object_detection_multithreading.py
+++ b/object_detection_multithreading.py
@@ -89,9 +89,9 @@ def worker(input_q, output_q):
     parser.add_argument('-src', '--source', dest='video_source', type=int,
                         default=0, help='Device index of the camera.')
     parser.add_argument('-wd', '--width', dest='width', type=int,
-                        default=640, help='Width of the frames in the video stream.')
+                        default=None, help='Width of the frames in the video stream.')
     parser.add_argument('-ht', '--height', dest='height', type=int,
-                        default=480, help='Height of the frames in the video stream.')
+                        default=None, help='Height of the frames in the video stream.')
     parser.add_argument('-strout','--stream-output', dest="stream_out", help='The URL to send the livestreamed object detection to.')
     args = parser.parse_args()
 
@@ -112,6 +112,7 @@ def worker(input_q, output_q):
                                       height=args.height).start()
     fps = FPS().start()
 
+    font = cv2.FONT_HERSHEY_SIMPLEX
     while True:
         frame = video_capture.read()
         input_q.put(frame)
@@ -121,18 +122,14 @@ def worker(input_q, output_q):
         if output_q.empty():
             pass  # fill up queue
         else:
-            font = cv2.FONT_HERSHEY_SIMPLEX
             data = output_q.get()
-            rec_points = data['rect_points']
-            class_names = data['class_names']
-            class_colors = data['class_colors']
-            for point, name, color in zip(rec_points, class_names, class_colors):
-                cv2.rectangle(frame, (int(point['xmin'] * args.width), int(point['ymin'] * args.height)),
-                              (int(point['xmax'] * args.width), int(point['ymax'] * args.height)), color, 3)
-                cv2.rectangle(frame, (int(point['xmin'] * args.width), int(point['ymin'] * args.height)),
-                              (int(point['xmin'] * args.width) + len(name[0]) * 6,
-                               int(point['ymin'] * args.height) - 10), color, -1, cv2.LINE_AA)
-                cv2.putText(frame, name[0], (int(point['xmin'] * args.width), int(point['ymin'] * args.height)), font,
+            for point, name, color in zip(data['rect_points'], data['class_names'], data['class_colors']):
+                cv2.rectangle(frame, (int(point['xmin'] * frame.shape[1]), int(point['ymin'] * frame.shape[0])),
+                              (int(point['xmax'] * frame.shape[1]), int(point['ymax'] * frame.shape[0])), color, 3)
+                cv2.rectangle(frame, (int(point['xmin'] * frame.shape[1]), int(point['ymin'] * frame.shape[0])),
+                              (int(point['xmin'] * frame.shape[1]) + len(name[0]) * 6,
+                               int(point['ymin'] * frame.shape[0]) - 10), color, -1, cv2.LINE_AA)
+                cv2.putText(frame, name[0], (int(point['xmin'] * frame.shape[1]), int(point['ymin'] * frame.shape[0])), font,
                             0.3, (0, 0, 0), 1)
             if args.stream_out:
                 print('Streaming elsewhere!')
diff --git a/utils/app_utils.py b/utils/app_utils.py
index 8bfeb96..61b48de 100644
--- a/utils/app_utils.py
+++ b/utils/app_utils.py
@@ -121,12 +121,14 @@ def stop(self):
 
 
 class WebcamVideoStream:
-	def __init__(self, src, width, height):
+	def __init__(self, src, width=None, height=None):
 		# initialize the video camera stream and read the first frame
 		# from the stream
 		self.stream = cv2.VideoCapture(src)
-		self.stream.set(cv2.CAP_PROP_FRAME_WIDTH, width)
-		self.stream.set(cv2.CAP_PROP_FRAME_HEIGHT, height)
+		if width:
+			self.stream.set(cv2.CAP_PROP_FRAME_WIDTH, width)
+		if height:
+			self.stream.set(cv2.CAP_PROP_FRAME_HEIGHT, height)
 		(self.grabbed, self.frame) = self.stream.read()
 
 		# initialize the variable used to indicate if the thread should