Profilometry of 3-D

3600 Phase-Measuring Profitometry of 3-D Diffuse Objects Using Random Phase Shift ALgorithmNing Chang and Ching Piao HuChung-Yuan Christian University Department of Mechanical EngineeringChung Li, Taiwan 32023, R.O.C.ABSTRACTA random phase shift atgorithm based on the principLe of phase-measuring profiLometry with a projectedsinusoidaL grating to 360° measurement-of the surface topography of 3-D diffuse objects is presented. In