Fig. 1. De Bruijn color coded structured light pattern

Fig. 2. Flow chart of 3D reconstruction system based on color structured light

Fig. 3. Waveform distribution of fringes in YC channel

Fig. 4. Waveform distribution of first-order linear filter differential projection

Fig. 5. Waveform distribution of second-order linear filter differential projection

Fig. 6. Distribution of color symbols in point clusters in RGB space. (a) Point cluster space distribution in the case of interference; (b) point cluster space distribution in the ideal case

Fig. 7. Curved object to be measured

Fig. 8. Modulated color structured light stripe

Fig. 9. Decision analysis of partial modulation fringe waveform. (a) Distribution of first-order filtering difference waveform; (b) distribution of second-order filtering difference waveform

Fig. 10. Characteristic processing of modulation fringe. (a) Binarization of fringe segmentation image; (b) center feature of modulated fringe

Fig. 11. Comparison of missed detection of center line extraction of modulation fringe. (a) Extraction of stripe centerline in Ref. [16]; (b) extraction of stripe centerline in this method

Fig. 12. Recognition of color code for modulated color structured light stripes. (a) Stripe color recognition in Ref. [16]; (b) stripe color recognition in this paper

Fig. 13. 3D reconstruction effect of different models