ICP	Iterative Closest Point
GICP	Generalized Iterative Closest Point
VO	Visual Odometry
SWaP	Size, Weight and Power
NDT	Normals Distribution Transform
SLAM	Simultaneous Localization and Mapping
LIDAR	Light Detection and Ranging
LSF	Least Squares Fitting
RPE	Relative Pose Error
RMSE	Root Mean Square Error
ST	Single Thread
MT	Multi-Threaded
IMU	Inertial Measurement Unit