Web Document Scanner

Use OpenCV-Python and Flask to create a web document scanner with a camera.

Environment

• Python 3.5
• OpenCV 3.3.0

How to Run

1. Install Flask:

   pip install flask
   

2. Open camera.py and select a device:

   self.cap = cv2.VideoCapture(2) # It should be 0 if you have only one device.

3. Run the app:

   python35 server.py
   

   

Reference

• https://github.com/vipul-sharma20/document-scanner
• http://www.pyimagesearch.com/2014/08/25/4-point-opencv-getperspective-transform-example/
• http://www.pyimagesearch.com/2015/04/06/zero-parameter-automatic-canny-edge-detection-with-python-and-opencv/
• http://docs.opencv.org/3.1.0/dd/d49/tutorial_py_contour_features.html
• https://en.wikipedia.org/wiki/Ramer%E2%80%93Douglas%E2%80%93Peucker_algorithm

Blog

How to Build Web Document Scanner Using OpenCV-Python