Updated

Author: yushulx

examples/official/multi-document-capture/README.md

@@ -20,7 +20,7 @@ https://github.com/user-attachments/assets/bdda16cb-335e-47a2-8eb6-8945f4fa5a3f
 ## Requirements
 
 - Python 3.9+
-- Windows 10/11 (camera via OpenCV DShow)
+- Windows, Linux, or macOS
 - USB camera or image files
 
 ## Install

examples/official/multi-document-capture/app.py

@@ -1059,10 +1059,7 @@ def _init_sdk(self, key: str):
             self.init_status.setText(str(e))
 
     def _init_camera(self):
-        self.cap = cv2.VideoCapture(0, cv2.CAP_DSHOW)
-        if not self.cap or not self.cap.isOpened():
-            # Try any backend
-            self.cap = cv2.VideoCapture(0)
+        self.cap = cv2.VideoCapture(0)
         if self.cap and self.cap.isOpened():
             self.cap.set(cv2.CAP_PROP_FRAME_WIDTH, 1920)
             self.cap.set(cv2.CAP_PROP_FRAME_HEIGHT, 1080)