Salvador Eugenio Ayala-Raggi

21 papers B 1C 1Journal 11Unranked 8
YearRankTypeTitle / Venue / Authors
2025 J jnl
Is simplicity still possible for a more accurate approximation to the perimeter of the ellipse? or, Using the exponential function to further improve the second Ramanujan's approximation.
CoRR
Salvador Eugenio Ayala-Raggi, Manuel Rendón-Marín
2025 J jnl
Statistical Asymmetrical Histogram Stretching for Contrast Enhancement in Chest X-ray Images for Pneumonia Detection.
Computación y Sistemas (CyS)
Rafael Alejandro Cruz Ovando, Salvador Eugenio Ayala-Raggi, Angel Ernesto Picazo-Castillo, Aldrin Barreto-Flores, José Francisco Portillo-Robledo
2024 J jnl
Comparative Study of Lung Image Representations for Automated Pneumonia Recognition.
Int. J. Comb. Optim. Probl. Informatics
Angel Ernesto Picazo-Castillo, Salvador Eugenio Ayala-Raggi, Leopoldo Altamirano Robles, Aldrin Barreto-Flores, José Francisco Portillo-Robledo
2024 B conf
Improving COVID-19 Recognition: A Study of Contrast Enhancement Techniques and Normalization in Chest X-Rays Images.
CBMS
Angel Ernesto Picazo-Castillo, Lizbeth A. Náfate Lázaro, Dennis F. Ruiz Camera, Raquel Díaz-Hernández, Leopoldo Altamirano Robles, Saúl Zapotecas Martínez, Salvador Eugenio Ayala-Raggi
2023 J jnl
ICM image separation based available parking space detection.
Int. J. Comb. Optim. Probl. Informatics
Víctor Romero Bautista, Aldrin Barreto-Flores, Salvador Eugenio Ayala-Raggi, Verónica Edith Bautista-López
2023 J jnl
Integrating Radiograph Normalization Preprocessing and Discriminative Feature Selection for Efficient and Automated Pneumonia Detection.
Res. Comput. Sci.
Salvador Eugenio Ayala-Raggi, Angel Ernesto Picazo-Castillo, Aldrin Barreto-Flores, José Francisco Portillo-Robledo
2023 J jnl
Normalización de radiografías de tórax para la detección de neumonía mediante algoritmos tradicionales de aprendizaje de máquina.
Res. Comput. Sci.
Salvador Eugenio Ayala-Raggi, Angel Ernesto Picazo-Castillo, Aldrin Barreto-Flores, José Francisco Portillo-Robledo
2023 — conf
Synergizing Chest X-ray Image Normalization and Discriminative Feature Selection for Efficient and Automatic COVID-19 Recognition.
ACPR (2)
Salvador Eugenio Ayala-Raggi, Angel Ernesto Picazo-Castillo, Aldrin Barreto-Flores, José Francisco Portillo-Robledo
2022 — conf
Design of E. coli Growth Simulator Using Multi-agent System.
IBERAMIA
Salvador Eugenio Ayala-Raggi, Luís Efraín López-García, Jesús Manuel Roa-Escalante, Lourdes Gabriela Soid-Raggi, Aldrin Barreto-Flores, José Francisco Portillo-Robledo
2021 J jnl
Detección de lugares disponibles en un estacionamiento.
Res. Comput. Sci.
Víctor Romero Bautista, Aldrin Barreto-Flores, Salvador Eugenio Ayala-Raggi, Verónica Edith Bautista-López
2021 J jnl
Localización y reconocimiento de matrículas de automóviles utilizando redes neuronales.
Res. Comput. Sci.
Elizabeth Xicotencatl-Flores, Aldrin Barreto-Flores, Salvador Eugenio Ayala-Raggi, Verónica Edith Bautista-López
2018 J jnl
A Supervised Incremental Learning Technique for Automatic Recognition of the Skeletal Maturity, or can a Machine Learn to Assess Bone Age Without Radiological Training from Experts?
Int. J. Pattern Recognit. Artif. Intell.
Salvador Eugenio Ayala-Raggi, Fernando Montoya Manzano, Aldrin Barreto-Flores, Susana Sánchez-Urrieta, José Francisco Portillo-Robledo, Verónica Edith Bautista-López, Patricia Ayala-Raggi
2017 J jnl
Identificación del ratón en base a su huella dactilar utilizando características Ordinales Lineales Ortogonales (OLOF).
Res. Comput. Sci.
Jorge Mateo Juárez, Aldrin Barreto-Flores, Leopoldo Altamirano Robles, Verónica Edith Bautista-López, Salvador Eugenio Ayala-Raggi, Francisco Ramos Collazo
2017 — conf
Towards an Automatic Estimation of Skeletal Age Using k-NN Regression with a Reduced Set of Tinny Aligned Regions of Interest.
MICAI (2)
José Luis Tonatiúh Banda-Escobar, Salvador Eugenio Ayala-Raggi, Aldrin Barreto-Flores, Susana Sánchez-Urrieta, José Francisco Portillo-Robledo, Alinne Michelle Sánchez-Tomay, Verónica Edith Bautista-López
2016 — conf
Towards a Supervised Incremental Learning System for Automatic Recognition of the Skeletal Age.
MCPR
Fernando Montoya Manzano, Salvador Eugenio Ayala-Raggi, Susana Sánchez-Urrieta, Aldrin Barreto-Flores, José Francisco Portillo-Robledo, Verónica Edith Bautista-López
2015 — conf
A Simple View-Based Software Architecture for an Autonomous Robot Navigation System.
ICIAR
Salvador Eugenio Ayala-Raggi, Pedro de Jesús González, Susana Sánchez-Urrieta, Aldrin Barreto-Flores
2011 J jnl
Automatic face interpretation using fast 3D illumination-based AAM models.
Comput. Vis. Image Underst.
Salvador Eugenio Ayala-Raggi, Leopoldo Altamirano Robles, Janeth Cruz Enríquez
2009 — conf
Interpreting Face Images by Fitting a Fast Illumination-Based 3D Active Appearance Model.
MIRAGE
Salvador Eugenio Ayala-Raggi, Leopoldo Altamirano Robles, Janeth Cruz Enríquez
2009 — conf
Recovering 3D Shape and Albedo from a Face Image under Arbitrary Lighting and Pose by Using a 3D Illumination-Based AAM Model.
ICIAR
Salvador Eugenio Ayala-Raggi, Leopoldo Altamirano Robles, Janeth Cruz Enríquez
2008 C conf
Towards an Illumination-Based 3D Active Appearance Model for Fast Face Alignment.
CIARP
Salvador Eugenio Ayala-Raggi, Leopoldo Altamirano Robles, Janeth Cruz Enríquez
2006 — conf
Representación con Restricciones de Medidas Cualitativas: Aplicación a un Problema de Scheduling.
LA-NMR
Salvador Eugenio Ayala-Raggi, German Cuaya-Simbro, Modesto G. Medina-Meléndrez, Angélica Muñoz-Meléndez