Practical issues for binary code pattern unwrapping in fringe projection method - Emerging Trends in Image Processing, Computer Vision, and Pattern Recognition - page 482

FIGURE 11 Reference plane wrapped phase.
FIGURE 12 Object wrapped phase obtained by the phase-shifting fringe analyses method.
FIGURE 13 Retrieved reference plane code patterns.
FIGURE 14 Retrieved object code patterns (0-63).
FIGURE 15 Reference plane unwrapped phase.
6.2 How to Compute the Unwrapped Phase via Two Previous
Outcomes
Unwrapped phase=wrapped phase+code*2*pi