Background oriented schlieren method for interfacial waves
Rendered notebooks:
https://nbviewer.jupyter.org/url/github.com/balintkaszas/boSchlieren/blob/master/0321.ipynb
https://nbviewer.jupyter.org/github/balintkaszas/boSchlieren/blob/master/0322.ipynb
https://nbviewer.jupyter.org/github/balintkaszas/boSchlieren/blob/master/0329.ipynb
https://nbviewer.jupyter.org/github/balintkaszas/boSchlieren/blob/master/0404.ipynb