An OpenCV program implementing the recognition feature of the app "CamScanner(扫描全能王)". It extracts the main document object from an image and adjusts it to A4 size.
Chinese tutorial: 用OpenCV实现“扫描全能王”APP
Python port by @scturtle: Python Port
Input image 1:
Extraction result 1:
Input image 2:
Extraction result 2:
Input image 3:
Extraction result 3:
