Langoju, R.Patil, A.Rastogi, P.2008-02-292008-02-292008-02-29200710.1117/1.2715444https://infoscience.epfl.ch/handle/20.500.14299/19561WOS:00024635140002510587Real-time phase-step estimation in phase-shifting interferometrytext::journal::journal article::research article