Updates

cli/webcam.py

@@ -32,6 +32,12 @@ def run(clf):
         print("Could not open the webcam.")
         return
 
+    capture.set(cv2.CAP_PROP_BUFFERSIZE, 1)
+
+    # Discard the first several frames while the camera warms up
+    for _ in range(10):
+        capture.read()
+
     print("Hold a handwritten digit up to the camera, inside the box.")
     print("Press 'q' (with the video window focused) to quit.\n")
 
@@ -56,7 +62,7 @@ def run(clf):
             cv2.putText(frame, label, (left, top - 12), cv2.FONT_HERSHEY_SIMPLEX, 1, (0, 200, 0), 2)
             cv2.imshow(WINDOW_TITLE, frame)
 
-            if cv2.waitKey(1) & 0xFF == ord("q"):
+            if cv2.waitKey(30) & 0xFF == ord("q"):
                 break
     except KeyboardInterrupt:
         pass