Reading Barcode with Webcam in Python

The sample demonstrates how to create a simple Webcam Barcode reader in Python.

Installation

• Dynamsoft Barcode SDK: http://www.dynamsoft.com/Downloads/Dynamic-Barcode-Reader-Download.aspx
• Python: https://www.python.org/ftp/python/
• NumPy: http://sourceforge.net/projects/numpy/files/NumPy/
• SciPy: http://sourceforge.net/projects/scipy/files/scipy/
• OpenCV: http://sourceforge.net/projects/opencvlibrary/files/opencv-win/

How to Run

1. Copy <opencv_installation_dir>\build\python\2.7\x86\cv2.pyd to <Python27>\Lib\site-packages\cv2.pyd
2. Build Dynamsoft Barcode Reader library for Python. Please refer to https://github.com/Dynamsoft/Dynamsoft-Barcode-Reader/tree/master/samples/Python
3. Copy DynamsoftBarcodeReader.pyd and DynamsoftBarcodeReaderx64.dll / DynamsoftBarcodeReaderx86.dll to the project folder.
4. Connect a Webcam to your PC. Make sure you have installed the Webcam driver.
5. Open cmd.exe, locate your project folder and type in python webcam_barcode_reader.py
6. Press Enter to capture a frame and then recognize Barcodes.
7. Press ESC to close the program.

Blog

Reading Barcode with Webcam in OpenCV and Python