Image Registration of Low-Signal-to-Noise STEM Data with Open Source Software

1. Department of Physics, Cornell University, Ithaca, NY, USA. 2. School of Applied & Engineering Physics, Cornell University, Ithaca, NY, USA. 3. Kavli Institute for Nanoscale Science, Cornell University, Ithaca, NY, USA. 4. Present address: Dept. of Mater. Sci. and Eng., University of Michigan, Ann Arbor, MI, USA. 5. Present address: NCEM, Molecular Foundry, LBNL, Berkeley, CA, USA. * Corresponding authors: bhsavitzky@lbl.gov & lena.f.kourkoutis@cornell.edu