This is a super simple example of using OpenCV to detect edges (quadrangles in this case) within an image. It is a purely academic solution to help understand how OpenCV works on iOS. We are using canny filtering on top of some basic image process to detect the edges.
Credits:
- Dan Bucholtz (@danbucholtz) - Creator & Maintainer
- Karl Phillip Buhr (@karlphillip) - Open Source Edge Detection Code
- OpenCV (http://opencv.org/);
Copyright (c) 2014 Dan Bucholtz
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