Dr. Alejandro Federico Profile

Dr. Alejandro Federico

at Electronica e Informatica CITEI

SPIE Involvement:

Author

Publications (13)

SPIE Journal Paper | 12 July 2016

Comparisons between singularities of pseudophase and speckle phase using binary diffusers in optical vortex metrology

Francisco E. Veiras, Ana Laura Vadnjal, Pablo Etchepareborda, Arturo Bianchetti, Alejandro Federico, Guillermo Kaufmann

OE, Vol. 55, Issue 12, 121712, (July 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.12.121712

KEYWORDS: Speckle, Binary data, Diffusers, Spiral phase plates, Spatial light modulators, Speckle pattern, Optical vortices, Metrology, Picosecond phenomena, Interferometry

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Proceedings Article | 11 September 2012 Paper

Phase retrieval in temporal speckle interferometry: a comparison of two methods

Gustavo Galizzi, Alejandro Federico, Guillermo Kaufmann

Proceedings Volume 8413, 84130P (2012) https://doi.org/10.1117/12.975952

KEYWORDS: Fourier transforms, Speckle, Phase retrieval, Wavelet transforms, Phase shift keying, Speckle interferometry, Wavelets, Interferometers, Modulation, Ferroelectric materials

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Proceedings Article | 14 September 2010 Paper

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

Alejandro Federico, Guillermo Kaufmann

Proceedings Volume 7387, 738705 (2010) https://doi.org/10.1117/12.867642

KEYWORDS: Continuous wavelet transforms, Wavelets, Phase shift keying, Time-frequency analysis, Wavelet transforms, Speckle pattern, Interferometry, Phase retrieval, Modulation, Discrete wavelet transforms

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Proceedings Article | 11 August 2008 Paper

Denoising of digital speckle pattern interferometry fringes by means of Bidimensional Empirical Mode Decomposition

María Belén Bernini, Alejandro Federico, Guillermo Kaufmann

Proceedings Volume 7063, 70630D (2008) https://doi.org/10.1117/12.786372

KEYWORDS: Speckle, Denoising, Fringe analysis, Computer simulations, Speckle pattern, Signal processing, Interferometry, Image filtering, Image processing, Smoothing

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Proceedings Article | 15 September 2006 Paper

A numerical model for dynamic speckle and its application to the analysis of temporally evolving processes

Héctor Rabal, Marcelo Trivi, Ricardo Arizaga, Alejandro Federico, Gustavo Galizzi, Guillermo Kaufmann

Proceedings Volume 6341, 63411G (2006) https://doi.org/10.1117/12.695369

KEYWORDS: Speckle, Speckle pattern, Scattering, Image segmentation, Image processing, Statistical analysis, Laser scattering, Light scattering, Computer simulations, Reflectivity

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Proceedings Article | 15 September 2006 Paper

Multifractals and dynamic speckle

Alejandro Federico, Guillermo Kaufmann

Proceedings Volume 6341, 63412J (2006) https://doi.org/10.1117/12.695839

KEYWORDS: Speckle, Speckle pattern, Wavelet transforms, Biological research, Statistical analysis, Motion analysis, Wavelets, Fractal analysis, Light scattering, Statistical modeling

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Proceedings Article | 21 October 2004 Paper

Phase measurement in digital speckle pattern interferometry using wavelet transforms: recent developments

Alejandro Federico, Guillermo Kaufmann

Proceedings Volume 5622, (2004) https://doi.org/10.1117/12.591606

KEYWORDS: Continuous wavelet transforms, Wavelet transforms, Wavelets, Image filtering, Phase measurement, Fringe analysis, Interferometry, Speckle, Speckle pattern, Image processing

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Proceedings Article | 2 August 2004 Paper

Retrieval of phase-derivative discontinuities in digital speckle pattern interferometry fringes using the Wigner-Ville distribution

Alejandro Federico, Guillermo Kaufmann

Proceedings Volume 5531, (2004) https://doi.org/10.1117/12.555764

KEYWORDS: Image filtering, Continuous wavelet transforms, Signal analyzers, Speckle pattern, Interferometry, Speckle, Fringe analysis, Wavelets, Image processing, Electronic filtering

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Proceedings Article | 27 May 2003 Paper

Phase retrieval in digital speckle pattern interferometry using a chirped Gaussian wavelet transform and a smoothed time-frequency distribution

Alejandro Federico, Guillermo Kaufmann

Proceedings Volume 4933, (2003) https://doi.org/10.1117/12.516633

KEYWORDS: Wavelet transforms, Wavelets, Speckle, Image filtering, Time-frequency analysis, Interferometry, Fringe analysis, Speckle pattern, Phase measurement, Phase retrieval

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SPIE Journal Paper | 1 December 2002

Evaluation of the continuous wavelet transform method for the phase measurement of electronic speckle pattern interferometry fringes

Alejandro Federico, Guillermo Kaufmann

OE, Vol. 41, Issue 12, (December 2002) https://doi.org/10.1117/12.10.1117/1.1518032

KEYWORDS: Continuous wavelet transforms, Wavelets, Wavelet transforms, Speckle, Fringe analysis, Image filtering, Speckle pattern, Phase measurement, Interferometry, Spatial frequencies

Proceedings Article | 20 June 2002 Paper

Evaluation of the continuous wavelet transform method for phase measurement in digital speckle pattern interferometry

Alejandro Federico, Guillermo Kaufmann

Proceedings Volume 4777, (2002) https://doi.org/10.1117/12.472229

KEYWORDS: Continuous wavelet transforms, Interferometry, Speckle pattern, Phase measurement, Fourier transforms, Interferometers, Fringe analysis

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SPIE Journal Paper | 1 November 2001

Comparative study of wavelet thresholding methods for denoising electronic speckle pattern interferometry fringes

Alejandro Federico, Guillermo Kaufmann

OE, Vol. 40, Issue 11, (November 2001) https://doi.org/10.1117/12.10.1117/1.1412616

KEYWORDS: Wavelets, Speckle, Image filtering, Speckle pattern, Fringe analysis, Denoising, Linear filtering, Interferometry, Wavelet transforms, Signal to noise ratio

Proceedings Article | 14 August 2001 Paper

Phase retrieval in electronic speckle pattern interferometry using the continuous wavelet transform

Alejandro Federico, Guillermo Kaufmann

Proceedings Volume 4419, (2001) https://doi.org/10.1117/12.437189

KEYWORDS: Continuous wavelet transforms, Fringe analysis, Wavelets, Wavelet transforms, Phase shift keying, Speckle pattern, Interferometry, Speckle, Image filtering, Error analysis

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Showing 5 of 13 publications

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