Abstract: To accurately estimate full-degree-of-freedom (DOF) model parameters of the 3D point cloud acquisition device, a calibration method by using a calibrator of a simple space ball is proposed.

Abstract: Least-squares migration (LSM) aims to seek the best-fit solution for subsurface reflectivity with high image resolution and balanced amplitudes by minimizing the mismatching between ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

Write two Python functions as specified below. Paste the text for both functions together into the submission window. Your function will be called automatically with various inputs and should return ...