Dr. Albertina Castro Profile

Dr. Albertina Castro

Full Time Researcher at INAOE

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Author

Publications (14)

Proceedings Article | 3 September 2008 Paper

Phase retrieval in digital holographic microscopy using a Gerchberg-Saxton algorithm

María Luisa Cruz, Albertina Castro, Victor Arrizón

Proceedings Volume 7072, 70721C (2008) https://doi.org/10.1117/12.793894

KEYWORDS: Holograms, Digital holography, Modulation, Charge-coupled devices, Diffraction, Phase shift keying, Signal to noise ratio, Numerical simulations, Spatial frequencies, Holography

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Proceedings Article | 5 October 2007 Paper

Integral imaging with increased depth of field and depth of focus by using phase masks

Albertina Castro, Yann Frauel, Bahram Javidi

Proceedings Volume 6736, 673613 (2007) https://doi.org/10.1117/12.740616

KEYWORDS: Integral imaging, Imaging systems, Modulation transfer functions, Optical transfer functions, 3D image processing, Point spread functions, Imaging arrays, Sensors, Spatial frequencies, Deconvolution

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Proceedings Article | 5 October 2007 Paper

Increasing the depth of field of imaging systems with numerically optimized phase masks

Yann Frauel, Albertina Castro

Proceedings Volume 6736, 673611 (2007) https://doi.org/10.1117/12.740506

KEYWORDS: Optical transfer functions, Point spread functions, Modulation transfer functions, Algorithms, Phase shift keying, Imaging systems, Spatial frequencies, Optimization (mathematics), Sensors, Digital imaging

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Proceedings Article | 30 August 2006 Paper

Minimum digital system emulated by a reconfigurable single-lens holographic memory

E. Rodríguez-Vázquez, H. Zúñiga-Osorio, A. Castro, D. Sánchez, E. Tepichín-Rodríguez

Proceedings Volume 6314, 63141N (2006) https://doi.org/10.1117/12.681290

KEYWORDS: Holography, Crystals, Logic, Binary data, Digital holography, LabVIEW, Structural health monitoring, Holograms, Electro optics, Optoelectronic devices

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Proceedings Article | 27 October 2005 Paper

Security analysis of optical encryption

Yann Frauel, Albertina Castro, Thomas Naughton, Bahram Javidi

Proceedings Volume 5986, 598603 (2005) https://doi.org/10.1117/12.633677

KEYWORDS: Image encryption, Image restoration, Computer security, Computer programming, Fourier transforms, Image processing, Vector spaces, 3D displays, Telecommunications, Data communications

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Proceedings Article | 8 June 2005 Paper

Increased depth of field with phase-only filters: ambiguity function

Albertina Castro, J. Ojeda-Castaneda

Proceedings Volume 5827, (2005) https://doi.org/10.1117/12.605282

KEYWORDS: Modulation transfer functions, Optical transfer functions, Atrial fibrillation, Spatial frequencies, Visualization, Phase only filters, Monochromatic aberrations, Numerical simulations, Electronic filtering, Lenses

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Proceedings Article | 28 May 2003 Paper

Pose estimation using linear or nonlinear composite correlation filters and a neural network

Maria-Albertina Castro, Yann Frauel, Eduardo Tepichin, Bahram Javidi

Proceedings Volume 5014, (2003) https://doi.org/10.1117/12.473130

KEYWORDS: Image filtering, Nonlinear filtering, Neural networks, Linear filtering, Nonlinear dynamics, Composites, Error analysis, Distortion, Neurons, Optical filters

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Proceedings Article | 27 November 2002 Paper

Pose estimation combining synthetic discriminant function filters and neural networks

Maria-Albertina Castro, Yann Frauel, Eduardo Tepichin-Rodriguez, Bahram Javidi

Proceedings Volume 4789, (2002) https://doi.org/10.1117/12.469139

KEYWORDS: Neural networks, Image filtering, Error analysis, Composites, Optical filters, Linear filtering, Nonlinear filtering, Object recognition, 3D modeling, Stereoscopic cameras

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Proceedings Article | 26 December 2001 Paper

Distortion invariant 3D object recognition using digital holography

Bahram Javidi, Yann Frauel, Enrique Tajahuerce, Maria-Albertina Castro

Proceedings Volume 4435, (2001) https://doi.org/10.1117/12.451155

KEYWORDS: Holograms, Digital holography, Nonlinear filtering, Image filtering, Composites, Distortion, 3D image reconstruction, Tolerancing, Object recognition, 3D image processing

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Proceedings Article | 30 November 2001 Paper

New approaches to 3D image recognition

Enrique Tajahuerce, Osamu Matoba, Yann Frauel, Maria-Albertina Castro, Bahram Javidi

Proceedings Volume 10302, 103020A (2001) https://doi.org/10.1117/12.449689

KEYWORDS: 3D image processing, Digital holography, Nonlinear filtering, Optoelectronics, Near field diffraction, Holograms, Optical pattern recognition, Composites, Image filtering, Distortion

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Proceedings Article | 13 November 2001 Open Access

Strategies for detection of distorted road signs in background noise

Elisabet Perez, Maria-Albertina Castro, Bahram Javidi

Proceedings Volume 4471, (2001) https://doi.org/10.1117/12.449327

KEYWORDS: Nonlinear filtering, Roads, Composites, Target recognition, Tolerancing, Complex systems, Target detection, Image classification, Scene classification, Detection and tracking algorithms

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Proceedings Article | 19 July 1999 Paper

Phase mask for high focal depth

Jorge Ojeda-Castaneda, Albertina Castro, Javier Santamaria

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.355052

KEYWORDS: Optical transfer functions, Numerical simulations, Optical design, Optical components, Neodymium, Lanthanum, Astrophysics, Electronics, Imaging devices, Sensors

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Proceedings Article | 6 July 1999 Paper

All defocused OTFs in a rectangular coordinate display

Albertina Castro, Jorge Ojeda-Castaneda

Proceedings Volume 3572, (1999) https://doi.org/10.1117/12.358402

KEYWORDS: Optical transfer functions, Modulation transfer functions, Sensors, Spatial filters, Spatial frequencies, Point spread functions, Image quality, Fourier transforms, Visualization, Image processing

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Proceedings Article | 6 July 1999 Paper

Self-fractional Fourier transforms

Albertina Castro, Jorge Ojeda-Castaneda

Proceedings Volume 3572, (1999) https://doi.org/10.1117/12.358413

KEYWORDS: Fourier transforms, Transform theory, Near field optics, Spherical lenses, Near field diffraction, Transmittance, Astrophysics, Electronics, Lanthanum, Fractal analysis

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Showing 5 of 14 publications

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