3D information detection with novel five composite fringe patterns

H Deng, J Deng, M Ma, J Zhang, L Yu… - Modern Physics Letters …, 2017 - World Scientific
H Deng, J Deng, M Ma, J Zhang, L Yu, Z Wang
Modern Physics Letters B, 2017World Scientific
A novel phase unwrapping method with five composite fringe patterns and phase-shifting
method was proposed for three-dimensional information detection. The composite fringe
patterns were composed of phase-shifted sinusoidal and stair phase-coding fringe patterns.
The fringe patterns are five step phase-shifted. The relative phase and the stair code-words
can be obtained simultaneously based on the five step phase-shifting algorithm. The
monochrome composite structure has the improvement on the measurement speed and has …
A novel phase unwrapping method with five composite fringe patterns and phase-shifting method was proposed for three-dimensional information detection. The composite fringe patterns were composed of phase-shifted sinusoidal and stair phase-coding fringe patterns. The fringe patterns are five step phase-shifted. The relative phase and the stair code-words can be obtained simultaneously based on the five step phase-shifting algorithm. The monochrome composite structure has the improvement on the measurement speed and has the potential of solving the problem of color coupling and color imbalance. Combined with the modified minimum phase map theory, this method can provide more code-words for the full field measurement. Simulation and experimental results were presented in the final part to verify the flexibility and feasibility of the proposed method.
World Scientific
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