Fig. 1. Principle of optical 3D measurement based on stripe projection

Fig. 2. Spectral response curve of 3CMOS camera

Fig. 3. Process of three channel parallel HDR measurement method

Fig. 4. Acquired image light intensity histogram

Fig. 5. Three channel parallel stripe projection measurement system

Fig. 6. Metal parts

Fig. 7. Pre projection result of metal flat parts

Fig. 8. HDR image synthesis process for metal flat parts

Fig. 9. Measurement results for metal flat parts

Fig. 10. Comparison of results for metal flat parts at positions 1 and 2 under two methods

Fig. 11. Pre projection result of metal spherical parts

Fig. 12. Three channel mask for metal spherical parts

Fig. 13. Measurement results for metal spherical parts

Fig. 14. Comparison of results for metal spherical parts at positions 3 and 4 under two methods