(oc) Doodle drawing algorithm

In my free time I write algorithms that turn photos into drawings, this is one of my algorithms that doodles the drawing with a single line.

For those who are interested in technical details.
The code is written in python. I use OpenCV for drawing and image evaluation and manipulation.

If you want to see more or would like to support me, consider to like my Facebook page:
https://www.facebook.com/LinesLab/