Yan Li, Xianyu Su, Wenjing Chen. Editable Projection Display Technology of Free-Form Surfaces Based on Height Information[J]. Acta Optica Sinica, 2018, 38(8): 0815026
- Acta Optica Sinica
- Vol. 38, Issue 8, 0815026 (2018)
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
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