Listar Científica por autor "LOPEZ CHAU, ASDRUBAL"

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  • RUBIO DELGADO, ELAYNE; Rodríguez Mazahua, Lisbeth; PALET GUZMAN, JOSE ANTONIO; Cervantes Canales, Jair; SANCHEZ CERVANTES, JOSE LUIS; PELAEZ CAMARENA, SILVESTRE GUSTAVO SERGIO; LOPEZ CHAU, ASDRUBAL (Hindawi, 2018-01-12)
    This research identifies the factors influencing the reduction of autopsies in a hospital of Veracruz. The study is based on the application of data mining techniques such as association rules and Bayesian networks in data ...
  • Cervantes Canales, Jair; García Lamont, Farid; LOPEZ CHAU, ASDRUBAL; YEE RENDON, ARTURO (Pattern Analysis and Applications, 2018-07-25)
    In this paper we introduce a method for color image segmentation by computing automatically the number of clusters the data, pixels, are divided into using fuzzy c-means. In several works the number of clusters is defined ...
  • Cervantes Canales, Jair; García Lamont, Farid; LOPEZ CHAU, ASDRUBAL; RUIZ CASTILLA, JOSE SERGIO (Springer, 2016)
    Fuzzy C-means (FCM) is one of the most often techniques employed for color image segmentation; the drawback with this technique is the number of clusters the data, pixels’ colors, is grouped must be defined a priori. In ...
  • Cervantes Canales, Jair; García Lamont, Farid; LOPEZ CHAU, ASDRUBAL; RUIZ CASTILLA, JOSE SERGIO (Springer, 2018-08-15)
    The histogram equalization (HE) is a technique developed for image contrast enhancement of grayscale images. For RGB (Red, Green, Blue) color images, the HE is usually applied in the color channels separately; due to ...
  • Cervantes Canales, Jair; García Lamont, Farid; LOPEZ CHAU, ASDRUBAL; Rodríguez Mazahua, Lisbeth; RUIZ CASTILLA, JOSE SERGIO (Applied Soft Computing, 2015-08-18)
    Support Vector Machine (SVM) has important properties such as a strong mathematical background and a better generalization capability with respect to other classification methods. On the other hand, the major drawback of ...
  • LOPEZ CHAU, ASDRUBAL; ROJAS HERNANDEZ, RAFAEL; TRUJILLO MORA, VALENTIN; CERVANTES CANALES, JAIR; RODRIGUEZ MAZAHUA, LISBETH; GARCIA LAMONT, FARID (IEEE Latin America Transactions, 2017-11-01)
    Automatic plant identification has been an important issue in the last years. Most of the state-of-the-art methods for this purpose use leaf features to predict the species. Despite there are many methods to extract different ...
  • LOPEZ CHAU, ASDRUBAL; Cervantes Canales, Jair; LOPEZ GARCIA, LOURDES; García Lamont, Farid (Expert Systems with Applications, 2013-11-15)
    Univariate decision trees are classifiers currently used in many data mining applications. This classifier discovers partitions in the input space via hyperplanes that are orthogonal to the axes of attributes, producing a ...
  • Cervantes Canales, Jair; García Lamont, Farid; LOPEZ CHAU, ASDRUBAL (Neural Computing and Applications, 2018-08-01)
    Most of the works addressing segmentation of color images use clustering-based methods; the drawback with such methods is that they require a priori knowledge of the amount of clusters, so the number of clusters is set ...
  • LOPEZ CHAU, ASDRUBAL; ROJAS HERNANDEZ, RAFAEL; TRUJILLO MORA, VALENTIN; CERVANTES CANALES, JAIR; RODRIGUEZ MAZAHUA, LISBETH; GARCIA LAMONT, FARID (Springer International Publishing, 2017)
    In most of classic plant identification methods a dichotomous or multi-access key is used to compare characteristics of leaves. Some questions about if the analyzed leaves are lobed, unlobed, simple or compound need to be ...
  • Cervantes Canales, Jair; García Lamont, Farid; LOPEZ CHAU, ASDRUBAL; Rodríguez Mazahua, Lisbeth (Neurocomputing, 2018-05-31)
    Image segmentation is an important stage for object recognition. Many methods have been proposed in the last few years for grayscale and color images. In this paper, we present a deep review of the state of the art on color ...

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