Fig. 4From: Universal optical setup for phase-shifting and spatial-carrier digital speckle pattern interferometryOriginal wrapped phase maps. a1 Phase 1 from PS-DSPI. a2 Phase 2 from PS-DSPI. a3 Phase 3 from PS-DSPI. b1 Phase 1 from SC-DSPI. b2 Phase 2 from SC-DSPI. b3 Phase 3 from SC-DSPIBack to article page