Fig. 1. Logical block diagram of measuring distortion of full-field image

Fig. 2. Relationship between actual LCD display phase and ideal LCD display phase

Fig. 3. Flow chart for establishing mathematical model of ideal LCD display phase

Fig. 4. Distortion calibration process

Fig. 5. Distortion correction flow

Fig. 6. Relationship of actual LCD display phase， ideal LCD display phase and LCD reflection phase

Fig. 7. Calculating compensation phase flow

Fig. 8. Schematic diagram of brightness matching

Fig. 9. Brightness matching flow

Fig. 10. Experimental system

Fig. 11. Absolute phase diagram

Fig. 12. Schematic of the distortion calibration result of the projector

Fig. 13. Schematic of closed frame distortion

Fig. 14. Pre-compensated fringe image

Fig. 15. Schematic diagram of the change of the closed rectangle before and after pre-compensation in the LCD self-display phase

Fig. 16. 3D topography restoration map of the step