Update detect.py (ultralytics#2167)

Without this cv2.imshow opens a window but nothing is visible
taicaile · Feb 9, 2021 · 5201ad3 · 5201ad3
1 parent f314d22
commit 5201ad3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/detect.py b/detect.py
@@ -118,6 +118,7 @@ def detect(save_img=False):
             # Stream results
             if view_img:
                 cv2.imshow(str(p), im0)
+                cv2.waitKey(1) # 1 millisecond
 
             # Save results (image with detections)
             if save_img: