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Listar *Documentos Académicos*-- M. en Ciencias del Proc. de la Info. por título

Listar *Documentos Académicos*-- M. en Ciencias del Proc. de la Info. por título

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  • 2-D Continuous Wavelet transform for ESPI phase-maps denoising 
    Escalante, Nivia; Villa Hernández, José de Jesús; De la Rosa Vargas, José Ismael; De la Rosa Miranda, Enrique; González Ramírez, Efrén; Gutiérrez, Osvaldo; Olvera Olvera, Carlos Alberto; Araiza Esquivel, María Auxiliadora (Elsevier, 2013-04)
    In thiswork we introduce a 2-D Continuous Wavelet Transform (2D CWT) method for denoising ESPI phase-maps. Multiresolution analysis with 2-D wavelets can provide high directional sensitivity and high anisotropy which are ...
  • A 2-D Continuos Wavelet Transform method for InSAR phase-maps Denoising 
    Escalante, Nivia; Villa Hernández, José de Jesús; De la Rosa Vargas, José Ismael; Olvera Olvera, Carlos Alberto; Alaniz Lumbreras, Daniel; Gutiérrez, Osvaldo (SPIE, 2013-07)
    Analysis of Interferometric Synthetic Aperture Radar (InSAR) phase–maps with large wide band is still a challenging problem that requires the development of robust methods. This paper presents a 2–D Continuous Wavelet ...
  • A Case Study of Speech Recognition in Spanish: from Conventional to Deep Approach 
    Becerra de la Rosa, Aldonso; De la Rosa Vargas, José Ismael; González Ramírez, Efrén (IEEE, 2016-10)
    The aim of this paper is to exhibit a comparative case study of the conventional speech recognition GMM-HMM (Gaussian mixture model - hidden Markov model) architecture and the recent model based on deep neural networks. ...
  • A Case–Control Study of Socio-Economic and Nutritional Characteristics as Determinants of Dental Caries in Different Age Groups, Considered as Public Health Problem: Data from NHANES 2013–2014 
    Zanella Calzada, Laura Alejandra; Galván Tejada, Carlos Eric; Chávez Lamas, Nubia; Gracia Cortés, María del Carmen; Moreno Báez, Arturo; Arceo Olague, José Guadalupe; Celaya Padilla, José María; Galván Tejada, Jorge Issac; Gamboa Rosales, Hamurabi (MDPI, 2018-04-25)
    One of the principal conditions that affects oral health worldwide is dental caries, occurring in about 90% of the global population. This pathology has been considered a challenge because of its high prevalence, besides ...
  • A comparative between Mel Frequency Cepstral Coefficients (MFCC) and Inverse Mel Frequency Cepstral Coefficients (IMFCC) features for an Automatic Bird Species Recognition System 
    Pedroza Ramírez, Ángel David; De la Rosa Vargas, José Ismael; Rosas Valdez, Rogelio; Becerra, Aldonso (IEEE, 2018-09)
    In this paper a comparative between Mel Frequency Cepstral Coefficients (MFCC) and Inverse Mel Frequency Cepstral Coefficients (IMFCC) features for an automatic bird species recognition system is proposed with the aim to ...
  • A comparative case study of neural network training by using frame-level cost functions for automatic speech recognition purposes in Spanish 
    Becerra, Aldonso; De la Rosa Vargas, José Ismael; González Ramírez, Efrén; Pedroza, David; Escalante, Iracemi; Santos, Eduardo (Springer, 2020-03)
    Training procedures of a deep neural network are still an area with ample research possibilities and constant improvement either to increase its efficiency or its time performance. One of the lesser-addressed components ...
  • A Comparative Study of Some Markov Random Fields and Different Criteria Optimization in Image Restoration 
    De la Rosa Vargas, José Ismael; Araiza Esquivel, María Auxiliadora; González Ramírez, Efrén; De la Rosa Miranda, Enrique (InTech, 2012-03-14)
    The present chapter illustrates the use of some recent alternative methods to deal with digital image filtering and restoration. This collection of methods is inspired on the use of Markov Random Fields (MRF), which ...
  • A generalized model for indoor location estimation using environmental sound from human activity recognition 
    Galván Tejada, Carlos Eric; López Monteagudo, Francisco Eneldo; Alonso González, Omero; Galván Tejada, Jorge Issac; Celaya Padilla, José María; Gamboa Rosales, Hamurabi; Magallanes Quintanar, Rafael; Zanella Calzada, Laura Alejandra (MDPI, 2018-03-10)
    The indoor location of individuals is a key contextual variable for commercial and assisted location-based services and applications. Commercial centers and medical buildings (eg, hospitals) require location information ...
  • A rapid diagnosis of breast cancer bases on rama spectroscopy 
    Luna Rosas, Francisco Javier; Martínez Romo, Julio Cesar; Mendoza González, Ricardo; Luna García, Huizilopoztli; Rodríguez Martínez, Laura C.; Hernández Vargas, Marco Antonio (Associations of Industrial Engineers, 2019-03-01)
    Parallel computing is a technique in which many instructions are executed simultaneously, operating on the principle that large problems can often be divided into smaller ones and then solved simultaneously (in parallel) ...
  • A reduced search algorithm for speaker recognition 
    Miramontes de León, Gerardo; De la Rosa Vargas, José Ismael; Villa Hernández, José de Jesús; Araiza Esquivel, María Auxiliadora; Sifuentes Gallardo, Claudia (Instituto Tecnológico de Chihuahua, ELECTRO, 2005-10)
    In this work, a reduced search algorithm for vector quantization codebooks is applied as a way to reduce the risk of wrong decisions in an automatic speaker recognition system. Instead of a full search method, the algorithm ...
  • A Statistical Inference Comparison for Measurement Estimation Using Stochastic Simulation Techniques 
    De la Rosa Vargas, José Ismael; Miramontes de León, Gerardo (IEEE Instrumentation and Measurement Society, 2008-10)
    The purpose of this paper is to present a comparison of different techniques for making statistical inference about a measurement system model. This comparison involves results when two main assumptions are made: 1) the ...
  • A statistical inference comparison for measurement estimation: Application to the estimation of groove dimensions by RFEC 
    De la Rosa Vargas, José Ismael; Fleury, Gilles; Davoust, Marie Eve (IEEE Instrumentation and Measurement Society, 2005-05)
    The purpose of the current paper is to present the comparison of different techniques for making statistical inference about a measurement systemmodel. This comparison presents results when two main assumptions are made. ...
  • A Texas instruments DSP-based acoustic source direction finder 
    Miramontes de León, Gerardo; De la Rosa Vargas, José Ismael; Araiza Esquivel, María Auxiliadora (Instituto Politécnico Nacional, 2007-10)
    This document describes the implementation of a DSP-based acoustic source direction finder and its application to control the direction of a steerable camera. For real-time implementation a TMS320F2812 digital signal ...
  • A tour of nonlocal means techniques for image filtering 
    De la Rosa Vargas, José Ismael; Villa Hernández, José de Jesús; González Ramírez, Efrén; Cortez, J. (IEEE, 2016-02)
    The present work proposes a review and comparison of different Nonlocal Means (NLM) methods in the task of digital image filtering. Some different alternatives to change the classical exponential kernel function used in ...
  • Abel Transform Inversion using Kalman Filter 
    González, Efrén; De la Rosa Miranda, Enrique; Arceo Olague, José Guadalupe; Villa Hernández, José de Jesús; De la Rosa Vargas, José Ismael; Saucedo Anaya, Tonatiuh; Berriel Valdos, Luis Raúl; Araiza Esquivel, María Auxiliadora (SPIE, 2013-07)
    Refractive index, temperature, pressure, velocity and many other physical magnitudes of phase objects in the refraction less limit are of great interest in engineering and science. Optical tomography is a technique used ...
  • Absolute measurements of thermal effusivity using the electropyroelectric technique 
    Ivanov, Rumen; Martínez Ordoñez, E. I.; Marín, Ernesto; Araujo Andrade, Cuauhtémoc; Alaniz Lumbreras, Daniel; Araiza Esquivel, María Auxiliadora; Villa Hernández, José de Jesús; De la Rosa Vargas, José Ismael (Elsevier, 2013-02)
    The so-called electropyroelectric technique uses amplitude modulated electrical current as excitation source of thermal waves in a pyroelectric sensor in contact with a liquid sample. Here it is showed that this technique ...
  • Acoustic individual identification in birds based on the band-limited phase-only correlation function 
    Pedroza Ramírez, Angel David; De la Rosa Vargas, José Ismael; Rosas, Rogelio; Becerra Sánchez, Aldonso; Villa Hernández, José de Jesús; Moreno, Gamaliel; González Ramírez, Efrén; Alaniz Lumbreras, Daniel (MDPI Publishers, 2020-03)
    A new technique based on the Band-Limited Phase-Only Correlation (BLPOC) function to deal with acoustic individual identification is proposed in this paper. This is a biometric technique suitable for limited data individual ...
  • Algoritmo para desenvolvimiento de fase unidimensional partiendo de un interferograma con frecuencia portadora implementado en labview 
    Cardona Valdez, Juan Carlos; Pinedo Vargas, Miguel Eduardo; Arceo Olague, José Guadalupe; Saucedo Anaya, Tonatiuh; De la Rosa Vargas, José Ismael; Olvera Olvera, Carlos Alberto (Instituto Tecnológico de Chihuahua, 2016-10)
    En el análisis de interferogramas, el desenvolvimiento de fase es una tarea primordial ya que al calcular la fase, ésta resulta estar envuelta en un mapa con un rango entre -π a π o bien, de 0 a 2π. Al contar con un mapa ...
  • Algunas alternativas a la transformada wavelet para la compresión y restauración de señales n-dimensionales 
    De la Rosa Vargas, José Ismael; Miramontes de León, Gerardo; Araiza Esquivel, María Auxiliadora; De la Rosa, Enrique; González, Efrén (Instituto Politécnico Nacional, 2007-10)
    Este trabajo tiene como finalidad presentar un conjunto de nuevas herramientas utilizadas para la restauración y compresión de señales. El análisis mediante la Transformada en Ondículas (TO) o Wavelets ha crecido a grandes ...
  • An alternative approach to the tomographic reconstruction of smooth refractive index distributions 
    De la Rosa Miranda, Enrique; Berriel Valdos, Luis Raúl; González Ramírez, Efrén; Alaniz Lumbreras, Daniel; Saucedo Anaya, Tonatiuh; De la Rosa Vargas, José Ismael; Villa Hernández, José de Jesús; Torres Arguelles, Vianey; Castano, Víctor (SpringerEuropean Optical Society, 2013-06)
    Continuous, mathematically smooth Phase Objects with radial symmetry are reconstructed from cross sections of their refractive index distribution by a novel method, consisting of a linear combination of Gaussian basis ...

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