Finding offsets and the focal length of a camera

M. A. Samaan, "Toward Faster and More Accurate Star Sensors Using Recursive Centroiding and Star Identification," Ph.D. Thesis, Texas A&M University, August 2003.

Chapter 3 is titled 'Ground Calibration for the Bore-Sight Offsets and the Focal Length.'

He uses the least square minimization (LSM) method recursively to find optimum offsets and the focal length which minimizes the error between inner product of reference stars and the estimated inner product of measured stars.

- H. Choi