Listar por autor "RICARDO LEGARDA SAENZ"
Mostrando recursos 1-16 de 16
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A fast algorithm for a total variation based phase demodulation model
In this paper we introduce fast numerical algorithms for the solution of the model [Total variation regularization cost function for demodulating phase discontinuities, Journal Applied Optics, 53(11):2297-2301, 2014]. For ... -
A mean curvature regularized based model for demodulating phase maps from fringe patterns
We introduce a variational method for demodulating phase maps from fringe patterns. This new method is based on the mean curvature of the level sets of the phase surface that is used for regularization. The performance of ... -
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Augmented Lagrangian method for a total variation-based model for demodulating phase discontinuities
In this work, we reformulate the method presented in App. Opt. 53:2297 (2014) as a constrained minimization problem using the augmented Lagrangian method. First we introduce the new method and then describe the numerical ... -
Augmented Lagrangian method for a total variation-based model for demodulating phase discontinuities
In this work, we reformulate the method presented in App. Opt. 53:2297 (2014) as a constrained minimization problem using the augmented Lagrangian method. First we introduce the new method and then describe the numerical ... -
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Comparison of multihardware parallel implementations for a phase unwrapping algorithm
Phase unwrapping is an important problem in the areas of Optical Metrology, Synthetic Aperture Radar (SAR) image analysis and Magnetic Resonance Imaging (MRI) analysis. These images are becoming larger in size and, ... -
Enfoque para la clasificación de vegetación polinífera usando imágenes multiespectrales y redes neuronales
La apicultura es una actividad pecuaria muy importante para México. Yucatán es uno de las entidades federativas que más aporta en producción y exportación de miel. Sin embargo, la apicultura se ve amenazada por una deficiente ... -
Procesamiento de patrones de franjas: conceptos fundamentales
Este trabajo es el primero de una serie de publicaciones de divulgación donde se expondrán varias técnicas de procesamiento de patrones de franjas, utilizados ampliamente como medio de captura de la información de medición ... -
Synchronous phase demodulation algorithm for conic carrier Hartmann topographer
In this paper, a theoretical analysis of a new algorithm for measuring phase objects (PO) is presented. The algorithm analyses images captured with a modified Hartmann plate. The proposed method demodulates a signal with ... -
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Variational phase recovering without phase unwrapping in phase-shifting interferometry
We present a variational method for recovering the phase term from the information obtained from phase-shifting methods. First we introduce the new method based on a variational approach and then describe the numerical ...