Search Results - "Olvera, Arturo"

Feature extraction from EEG spectrograms for epileptic seizure detection by Ramos-Aguilar, Ricardo, Olvera-López, J. Arturo, Olmos-Pineda, Ivan, Sánchez-Urrieta, Susana

“…•Three different approaches to extracting features from EEG spectrograms are proposed with relevant results.•Type window and overlapping from short time…”
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A review of instance selection methods by Olvera-López, J. Arturo, Carrasco-Ochoa, J. Ariel, Martínez-Trinidad, J. Francisco, Kittler, Josef

“…In supervised learning, a training set providing previously known information is used to classify new instances. Commonly, several instances are stored in the…”
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MinReduct: A new algorithm for computing the shortest reducts by Rodríguez-Diez, Vladímir, Martínez-Trinidad, José Fco, Carrasco-Ochoa, J Ariel, Lazo-Cortés, Manuel S, Olvera-López, J Arturo

“…•A new algorithm for computing all the shortest reducts of a decision system is introduced.•Some of the most effective pruning properties for computing all…”
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InstanceRank based on borders for instance selection by Hernandez-Leal, Pablo, Carrasco-Ochoa, J. Ariel, Martínez-Trinidad, J.Fco, Olvera-Lopez, J. Arturo

“…Instance selection algorithms are used for reducing the number of training instances. However, most of them suffer from long runtimes which results in the…”
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Hidden endemism, deep polyphyly, and repeated dispersal across the Isthmus of Tehuantepec: Diversification of the White‐collared Seedeater complex (Thraupidae: Sporophila torqueola) by Mason, Nicholas A., Olvera‐Vital, Arturo, Lovette, Irby J., Navarro‐Sigüenza, Adolfo G.

“…Phenotypic and genetic variation are present in all species, but lineages differ in how variation is partitioned among populations. Examining phenotypic…”
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High mortality at the beginning of the COVID-19 pandemic in a referral center in the metropolitan area of Mexico City by Ordinola Navarro, Alberto, Cobos-Quevedo, Orestes de Jesús, Cervantes-Bojalil, Javier, Pérez Álvarez, Esperanza, González Gil, Andrea, Peralta-Amaro, Ana Lilia, Carrillo-González, Ana Laura, Olvera Acevedo, Arturo, Pineda-Galindo, Luis Francisco, Briceño-Moya, Fernando, Vera-Lastra, Olga Lidia, Lopez Luis, Bruno Ali

“…Introduction: There is limited information about the coronavirus disease 2019 (COVID-19) disease in Latin-American countries. Our objective was to describe the…”
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A new fast prototype selection method based on clustering by Olvera-López, J. Arturo, Carrasco-Ochoa, J. Ariel, Martínez-Trinidad, J. Francisco

“…In supervised classification, a training set T is given to a classifier for classifying new prototypes. In practice, not all information in T is useful for…”
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A Mathematical Model to Optimize the Neoadjuvant Chemotherapy Treatment Sequence for Triple-Negative Locally Advanced Breast Cancer by López-Alvarenga, Juan C., Minzoni-Alessio, Antonmaria, Olvera-Chávez, Arturo, Cruz-Pacheco, Gustavo, Chimal-Eguia, Juan C., Hernández-Ruíz, Joselín, Álvarez-Blanco, Mario A., Bautista-Hernández, María Y., Quispe-Siccha, Rosa M.

“…Background: Triple-negative locally advanced breast cancer is an aggressive tumor type. Currently, the standard sequence treatment is applied, administering…”
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The Fuchsian approach to global existence for hyperbolic equations by Beyer, Florian, Oliynyk, Todd A., Olvera-Santamaría, J. Arturo

“…We analyze the Cauchy problem for symmetric hyperbolic equations with a time singularity of Fuchsian type and establish a global existence theory along with…”
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Special section: Best papers of the 14th Mexican conference on pattern recognition (MCPR) 2022 by Vergara Villegas, Osslan Osiris, Cruz Sánchez, Vianey Guadalupe, Sossa Azuela, Juan Humberto, Carrasco Ochoa, Jesús Ariel, Martínez Trinidad, José Francisco, Olvera López, José Arturo

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Mathematical accuracy of Aztec land surveys assessed from records in the Codex Vergara by Jorge, María del Carmen, Williams, Barbara J, Garza-Hume, C. E, Olvera, Arturo

“…Land surveying in ancient states is documented not only for Eurasia but also for the Americas, amply attested by two Acolhua–Aztec pictorial manuscripts from…”
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Primary and secondary central nervous system vasculitis: clinical manifestations, laboratory findings, neuroimaging, and treatment analysis by Vera-Lastra, Olga, Sepúlveda-Delgado, Jesús, Cruz-Domínguez, María del Pilar, Medina, Gabriela, Casarrubias-Ramírez, Moisés, Molina-Carrión, Luis E., Pineda-Galindo, Luis F., Olvera-Acevedo, Arturo, Hernández-Gonzalez, Claudia, Jara, Luis J.

“…The objectives of this study are to compare the initial clinical, laboratory, and imaging features in primary central nervous system vasculitis (PCNSV) vs…”
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Information Retrieval Based on a Query Document Using Maximal Frequent Sequences by Merlo-Galeazzi, Ricardo, Carrasco-Ochoa, J. Ariel, Martinez-Trinidad, J. Fco, Olvera-Lopez, J. Arturo

“…Information Retrieval (IR) methods are commonly based on words, these methods allow the user to formulate a query through keywords. However, there are…”
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Transformation of a myelodysplastic syndrome to acute myeloid leukemia and concurrent necrotizing sweet syndrome by Vera-Lastra, Olga, Olvera-Acevedo, Arturo, Pulido-Díaz, Nancy, Quintal-Ramírez, Marissa de Jesús, Ordoñez-González, Irvin, Cimé-Aké, Erik, Cruz-Domínguez, María Pilar, Medina, Gabriela

“…The Sweet’s syndrome, is an inflammatory skin disorder characterized by extensive infiltration of neutrophils in the dermis with extension to the subcutis,…”
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Editorial Special Issue MCPR 2014: Advances in pattern recognition methodologies and applications by Suen, Ching Y., Martinez-Trinidad, Jose Francisco, Carrasco-Ochoa, Jesús Ariel, Olvera-Lopez, Jose Arturo

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Mechanical stabilization of the dissipative model for the Levitron: bifurcation study and early prediction of flight times by Giordano, Claudia M., Olvera, Arturo

“…We numerically integrate the equations of motion of the Levitron in its twofold fashion, i.e. in terms of the Eulerian description of the spinning top’s motion…”
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Asymptotic study of the Levitron dynamics by Giordano, Claudia M., Olvera, Arturo

“…In the present effort, we revist the Levitron’s dynamics in the line of previous works due to Berry, Dullin and Easton, and Gans. An invariant set in the…”
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A Fuchsian viewpoint on the weak null condition by Oliynyk, Todd A., Olvera-Santamaría, J. Arturo

“…We analyze systems of semilinear wave equations in 3+1 dimensions whose associated asymptotic equation admit bounded solutions for suitably small choices of…”
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Automatic region of interest segmentation for breast thermogram image classification by Sánchez-Ruiz, Daniel, Olmos-Pineda, Ivan, Olvera-López, J. Arturo

“…•An automatic region of interest segmentation method•A set of rules as a metric to measure the region of interest segmentation results•Analysis of thermal…”
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Autenticación de personas utilizando un clasificador SVM by Aparicio-Arroyo, Aida A., Olmos-Pineda, Ivan, Olvera-López, J. Arturo

“…En los últimos años, la autenticación de personas ha tomado un gran auge debido a los avances tecnológicos e investigaciones que se han desarrollado alrededor…”
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