This is a collection of short functions I needed for my image processing purposes. There are many possible libs out there, some of them really powerful. I wanted something simpler, easy to install and tweaked one.

Some corner points:
- minimize dependencies to numpy, matplotlib (and in the worst case scipy)
- keep it as small and clear as possible - scientific work requires transparency
- the core is a numpy array: do everything on this without any extra conversions
- write all in python, some speedups can be added in C keeping the python equivalent (useful for learning and understanding)
- the C part at the moment is a simple dynamic lib communicating through ctypes and using numpy arrays directly (quick and dirty + sometimes trouble on Windows)
- I myself am learning through this process, I hope it helps others as well

Dependencies:
- numpy and matplotlib
- PIL or pillow for the read_img(), which one can drop if not needed (need some tweaking though). (Unfortunately PIL 1.6 has some issues with 16 bit TIF, but there are some fixes around)