SEM	Scanning Electron Microscopy
R-CNN	Regional Convolutional Neural Network
ROI	Region of Interest
RPN	Regional Proposal Network
FPN	Feature Pyramid Network
TiO2	Titanium Dioxide
TEM	Transmission Electron Microscope
STM	Scanning Tunneling Microscope
FCN	Fully Connected Network
ResNet	Residual Network
SGD	Stochastic Gradient Descent