Three-dimensional directional wavelet transform: a new approach for phase retrieval of temporal speckle pattern interferometry signals

Alejandro Federico; Guillermo H. Kaufmann

doi:10.1117/12.867642

13 September 2010 Three-dimensional directional wavelet transform: a new approach for phase retrieval of temporal speckle pattern interferometry signals

Alejandro Federico, Guillermo H. Kaufmann

Author Affiliations +

Proceedings Volume 7387, Speckle 2010: Optical Metrology; 738705 (2010) https://doi.org/10.1117/12.867642
Event: Speckle 2010, 2010, Florianapolis, Brazil

Abstract

We compare the performance of various recently-developed phase recovery approaches when they are applied in temporal speckle pattern interferometry. The phase retrieval methods to be evaluated are based on the 1D continuous wavelet, the Hilbert-Huang and the S-transforms, and the smooth time-frequency distribution. It is shown that the 3D directional wavelet transform approach outperforms the use of these 1D phase recovery techniques when sets of adjacent non-modulating pixels, modulation loss and noise effects are present in the recorded data.

Citation Download Citation

Alejandro Federico and Guillermo H. Kaufmann "Three-dimensional directional wavelet transform: a new approach for phase retrieval of temporal speckle pattern interferometry signals", Proc. SPIE 7387, Speckle 2010: Optical Metrology, 738705 (13 September 2010); https://doi.org/10.1117/12.867642

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