Repositorio Dspace

Envíos recientes

Maestría en Ciencias del Procesamiento de la Información: Envíos recientes

  • 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) ...
  • Usability Evaluation Trends in Ibero-American Countries 
    Collazos, César; Ortega, Manuel; Granollers, Antoni; Luna García, Huizilopoztli; Fardoun, Habib (IEEE Computer Society, 2017-10-04)
    Usability evaluation is a major area of humancomputer interaction (HCI) in both academia and industry. According to Nielsen, on the Web, usability is a necessary condition for survival. If a website is difficult to ...
  • 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 ...
  • 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 ...
  • 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 ...
  • Fringe pattern denoising using spatial oriented gaussian filters 
    Villa Hernández, José de Jesús; González Ramírez, Efrén; Moreon, Gamaliel; De la Rosa Vargas, José Ismael; Flores, Jorge Luís; Alaniz Lumbreras, Daniel (Elsevier, 2020-02)
    In this paper, it is proposed a gaussian convolution-based fringe pattern denoising method. As will be shown, this method is robust enough compared with some of the most outstanding methods in the literature. Additionally, ...
  • Limited-data automatic speaker verification algorithm using band-limited phase-only correlation function 
    Pedroza Ramírez, Angel David; De la Rosa Vargas, José Ismael; Villa Hernández, José de Jesús; Becerra Sánchez, Aldonso (TUBITAK, 2019-07)
    In this paper, a new method to deal with automatic speaker verification based on band-limited phaseonly correlation (BLPOC) is proposed. The aim of this study is to validate the use of the BLPOC function as a new limited-data ...
  • Analysis of a multiclass classification problem by Lasso Logistic Regression and Singular Value Decomposition to identify sound patterns in queenless bee colonies 
    Robles Guerrero, Antonio; Saucedo Anaya, Tonatiuh; González Ramírez, Efrén; De la Rosa Vargas, José Ismael (Elsevier, 2019-04)
    This study presents an analysis of a multiclass classification problem to identify queenless states by monitoring bee sound in two possible cases; a strong and healthy colony that lost its queen and a reduced population ...
  • Bironchigram processing method for quantitative evaluation of optical focusing mirrors 
    Rodríguez, Gustavo; Villa Hernández, José de Jesús; Ivanov, Rumen; De la Rosa Vargas, José Ismael (Elsevier, 2019-02)
    Since its proposal the Ronchi “ruling ”test has been considered as the most remarkable technique of the Schlieren family. Despite being based on fringe pattern generation and commonly interpreted in a qualitative way, it ...
  • Training deep neural networks with non-uniform frame-level cost function for automatic speech recognition 
    Becerra, Aldonso; De la Rosa Vargas, José Ismael; González Ramírez, Efrén; Pedroza, David; Escalante, N. Iracemi (Springer, 2018-10)
    The aim of this paper is to exhibit two new variations of the frame-level cost function for training a deep neural network in order to achieve better word error rates in speech recognition. Optimization methods and their ...
  • Speech recognition in a dialog system: from conventional to deep processing A case study applied to Spanish 
    Becerra, Aldonso; De la Rosa Vargas, José Ismael; González Ramírez, Efrén (Springer, 2018-08)
    The aim of this paper is to illustrate an overview of the automatic speech recognition (ASR) module in a spoken dialog system and how it has evolved from the conventional GMM-HMM (Gaussian mixture model - hidden Markov ...
  • On the comparison of different Kernel functionals and neighborhood geometry for Nonlocal Means filtering 
    De la Rosa Vargas, José Ismael; Villa Hernández, José de Jesús; Cortez, Joaquín; Gamboa Rosales, Hamurabi; Arceo Olague, José Guadalupe; González Ramírez, Efrén (Springer, 2018-01)
    The present work proposes a review and comparison of different Kernel functionals and neighborhood geometry for Nonlocal Means (NLM) in the task of digital image filtering. Some different alternatives to change the classical ...
  • Multi-factor authentication model based on multipurpose speech watermarking and online speaker recognition 
    Nematollahi, Mohammad Ali; Gamboa Rosales, Hamurabi; Martínez Ruíz, Francisco Javier; De la Rosa Vargas, José Ismael; R. Al-Haddad, S.A.; Esmaeilpour, Mansour (Springer, 2017-03)
    In this paper, a Multi-Factor Authentication (MFA) method is developed by a combination of Personal Identification Number (PIN), One Time Password (OTP), and speaker biometric through the speech watermarks. For this reason, ...
  • Demodulation of single interferograms using a sliding 2-D continuous wavelet transform method 
    Villa Hernández, José de Jesús; De la Rosa Vargas, José Ismael; Ivanov, Rumen; Alaniz Lumbreras, Daniel; González Ramírez, Efrén (Taylor and Francis, 2015-01)
    In this paper, we present an alternative technique for the demodulation of single interferograms using a sliding 2-D continuous wavelet transform (2-D CWT) method. The sliding strategy proposed in this work is used with ...
  • An alternative method for phase-unwrapping of interferometric data 
    De la Rosa Miranda, Enrique; González Ramírez, Efrén; Villa Hernández, José de Jesús; Berriel Valdos, Luis Raúl; Olvera Olvera, Carlos Alberto; De la Rosa Vargas, José Ismael; Saucedo Anaya, Tonatiuh; Arceo Olague, José Guadalupe (European Optical Society, 2014-09)
    In this paper we present a novel algorithm for phase unwrapping where only a subset of data from the wrapped phase map is used to reconstruct the unwrapped phase map as a linear combination of radial basis functions (RBF’s). ...
  • MAP entropy estimation: Applications in robust image filtering 
    De la Rosa Vargas, José Ismael; Villa Hernández, José de Jesús; De la Rosa Miranda, Enrique; González Ramírez, Efrén; Gutierrez, Osvaldo; Escalante, Nivia; Ivanov, Rumen; Fleury, Gilles (European Optical Society, 2013-07)
    We introduce a new approach for image filtering in a Bayesian framework. In this case the probability density function (pdf) of the likelihood function is approximated using the concept of non-parametric or kernel estimation. ...
  • Efficient numerical analysis of optical imaging data: A comparative study 
    Duarte Correa, David; Pastrana Palma, Alberto; Olvera Olvera, Carlos Alberto; Ramírez Rodríguez, Sergio; Alaniz Lumbreras, Daniel; Gómez Meléndez, Domingo; De la Rosa Vargas, José Ismael; Noriega, Salvador; Torres, Vianey; Castaño, Víctor (Elsevier, 2013-11)
    The computational efficiency of 14 optical detectors over six types of transformations, namely: blur, illumination, rotation, viewpoint, zoom, and zoom-rotation changes, was analyzed. Images with the same resolution (750×500 ...
  • Semi-Huber Half Quadratic Function and Comparative Study of Some MRFs for Bayesian Image Restoration 
    De la Rosa Vargas, José Ismael; Villa Hernández, José de Jesús; González Ramírez, Efrén; De la Rosa Miranda, Enrique; Gutiérrez, Osvaldo; Olvera Olvera, Carlos Alberto; Castañeda Miranda, Rodrígo; Fleury, Gilles (European Optical SocietySpringer, 2013-10)
    The present work introduces an alternative method to deal with digital image restoration into a Bayesian framework, particularly, the use of a new half-quadratic function is proposed which performance is satisfactory ...
  • 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 ...
  • 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 ...

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