Intensity normalization of additive and multiplicative spatially multiplexed patterns with n encoded phases
What's it about?
Fringe-pattern normalization has become an important processing stage in phase demodulation algorithms. Fringe-patterns encode only one phase distribution; when more than one phase distribution is encoded, the result is an intensity pattern. The normalization of intensity patterns has not been addressed.
Why is it important?
This paper proposes an efficient normalization method for intensity patterns with multiple encoded phases. Because the proposed method has good features such as robustness and user-free execution, it could be implemented in a wide variety of applications.
This contribution motivates future generalization in both phase demodulation algorithms and experimental setups to exploit the benefits of additive/multiplicative patterns with multiple phases.