Fig. 1. Ideal light path in measurement system and schematic of establishment of phase-height mapping relation

Fig. 2. Process of establishment of geometric relationship between projector and CCD

Fig. 3. Schematic of mapping of camera pixels to (l,m) in projector coordinate

Fig. 4. Principle of pseudo-color encoding. (a) Grayscale stratification technique; (b) grayscale pseudo-color processing

Fig. 5. Schematic of color-encoding function

Fig. 6. Schematic of contour-encoding

Fig. 7. Experimental setup

Fig. 8. Inverse projecting of color-encoding. (a) Free-form surface; (b) inverse projection of color-encoding; (c) 3D display of color-encoding on surface

Fig. 9. Inverse projecting of contour-encoding. (a) Inverse projection of contour-encoding; (b) 3D display of contour-encoding on surface

Fig. 10. Inverse projecting of snow-line variation simulation. (a)Inverse projection of snow-line encoding; (b) 3D display of snow-line encoding corresponding to Fig. 10(a)

Fig. 11. 3D display of shadow encoding on surface

Fig. 12. Military symbols projected on physical sand plates