Fig. 1. The measurement results of the car door by using methods proposed by Chen^[41] et al; (a) captured single intensity fringe; (b) absolute phase map from (a); (c) 3D data calculated by using a single intensity fringe pattern; (d) captured adaptive fringe; (e) absolute phase map from (d); (f) 3D data calculated by using an adaptive fringe pattern

Fig. 2. The measurement results of the car door by using methods proposed by Chen^[46] et al; (a) captured patterns at the uniform gray-level pattern sequence ranging from 255 to 55; (b) calculated mask pattern separately; (c) composited image; (d) optimal projection pattern; (e) projected adaptive fringe pattern; (f) captured adaptive fringe pattern; (g) absolute phase image; (h) constructed 3D data

Table 1. Advantages and disadvantages of various methods in HDR technology

Table 2. Comparison of typical methods in HDR technology