This is my current attempt to solve Instagram’s engineering challenge.
virtualenv .
pip install -r requirements.txt
python unshredder.py input/collie.png output/collie.png
Well, yeah, this is a bit embarrassing. It works on all the sample images I’ve tried it with, except the one Instagram provided. I choose to blame that gurt big striped black-and-white tower. Or my heuristic. But probably the tower.