resize frame to 384 x384 resolution

app.py

@@ -89,6 +89,7 @@ def caption_frame(frame):
     logging.debug("caption_frame called.")
     # make a writable copy
     frame = frame.copy()
+    frame = cv2.resize(frame, (384, 384))
     logging.debug(f"Frame shape: {frame.shape}, dtype: {frame.dtype}")
 
     # save frame to temporary file for URI