Update README.md

Author: yushulx

examples/official/gui/README.md

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 A GUI application for MRZ (Machine Readable Zone) recognition and parsing with portrait detection and cropping, built with PySide6 and Dynamsoft Capture Vision SDK.
 
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+https://github.com/user-attachments/assets/1ad49b13-aaf2-44fe-815c-8717d3b60119
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 ## Features
 
 - **Multiple Input Sources**
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 python mrz_scanner_gui.py
 ```
 
+![Python MRZ Scanner](https://www.dynamsoft.com/codepool/img/2026/02/python-passport-mrz-scanner.png)
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 ### Input Methods
 
 1. **Load File/Folder**: Click "Load File/Folder" button to select an image or folder