TY  - RPRT
TI  - Least-squares algorithm for phase-stepping interferometry with an unknown relative step.
AU  - Hongwei Guo
AU  - Mingyi Chen
PY  - 2005
DO  - 10.1364/ao.44.004854
UR  - https://pubmed.ncbi.nlm.nih.gov/16114522/
ID  - 16114522
ER  -