Ms. Alejandra Umana-Diaz Profile

Alejandra Umana-Diaz

Research Scientist at ITRES Research Ltd

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Publications (3)

Proceedings Article | 8 May 2006 Paper

Restoration of hyperspectral imagery

Alejandra Umaña-Díaz, Miguel Vélez-Reyes

Proceedings Volume 6233, 62330A (2006) https://doi.org/10.1117/12.667974

KEYWORDS: Hyperspectral imaging, Image processing, Reflectivity, Gold, Signal to noise ratio, Spectroscopy, Image restoration, Image classification, Sensors, Remote sensing

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Proceedings Article | 20 October 2005 Paper

Subsurface object recognition by means of regularization techniques for mapping coastal waters floor

Luis Jiménez-Rodríguez, Alejandra Umana-Diaz, Jose Diaz-Santos, Gerardino Neira-Carolina, Javier Morales-Morales, Eladio Rodriguez

Proceedings Volume 5977, 59770H (2005) https://doi.org/10.1117/12.627011

KEYWORDS: Sensors, Remote sensing, Absorption, Algorithm development, Mathematical modeling, Water, Associative arrays, Inverse problems, Scattering, Image processing

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Proceedings Article | 23 September 2003 Paper

Determining the dimensionality of hyperspectral imagery for unsupervised band selection

Alejandra Umana-Diaz, Miguel Velez-Reyes

Proceedings Volume 5093, (2003) https://doi.org/10.1117/12.488081

KEYWORDS: Hyperspectral imaging, Fractal analysis, Data modeling, Algorithm development, Image analysis, Dimension reduction, Data centers, Remote sensing, Principal component analysis, Image sensors

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