Fig. 1. Schematic of monocular three－dimensional structured light measurement system

Fig. 2. 3D display results and adaptive fringe patterns after mapping using different methods. (a) Using　formula (4); (b) using formula (5)

Fig. 3. Deviation chart of phase mapping

Fig. 4. Flow chart of adaptive fringe generation

Fig. 5. Experimental device and scene image. (a) Measurement system; (b) high dynamic scene diagram

Fig. 6. Captured pictures and intensity pictures. (a) Images captured under high exposure; (b) images captured under low exposure

Fig. 7. Adaptive fringe patterns and corresponding captured pictures. (a) Projected original fringes and corresponding captured image; (b)－(d) adaptive fringes generated by three recursive processes and corresponding captured images

Fig. 8. Three－dimensional display results by proposed method in three recursive procedures. (a) The first recursion；(b) the second recursion; (c) the third recursion

Fig. 9. The phase error of the 300th column in the ROI

Fig. 10. Three－dimensional display results. (a) Display result under low exposure; (b) display result under high exposure；(c) display result using method in Ref. [25]; (d) display result using proposed method

Fig. 11. Recursive adjustment process in the metal object surface

Fig. 12. Mask of saturation area. (a) Before saturation compensation; (b) after saturation compensation

Fig. 13. Complex surface and three－dimensional display effect

Fig. 14. Ladder measurement results. (a) Physical map of ladder; (b) three－dimensional display of ladder; (c) fitting result of high reverse plane; (d) measurement result of height difference between diffuse reflection plane and high reverse plane