Speech emotion recognition using long-term average spectrum.

Julio Cesar Ramírez Pacheco Julio C. Ramírez-Pacheco https://orcid.org/0000-0002-0397-6063 https://www.wikidata.org/entity/Q103830969

Luis David Huerta-Hernández Nayeli Joaquinita Meléndez Acosta David Ernesto Troncoso Romero Julio Cesar Ramírez Pacheco José-Antonio León-Borges Speech emotion recognition using long-term average spectrum. 2025 15 Open Comput. Sci. 1 https://doi.org/10.1515/comp-2025-0023 db/journals/cejcs/cejcs15.html#HuertaHernandezARPL25 streams/journals/cejcs

Julio Cesar Ramírez Pacheco Joel Antonio Trejo-Sánchez Luis Rizo Domínguez The shifted wavelet $ (q, q') $-entropy and the classification of stationary fractal signals. 2025 89-103 20 Networks Heterog. Media 1 https://doi.org/10.3934/nhm.2025006 db/journals/nhm/nhm20.html#PachecoTD25 streams/journals/nhm

Joel Antonio Trejo-Sánchez Candelaria E. Sansores Francisco Javier Hernández-López Jonás Velasco Daniel Fajardo-Delgado José Luis López-Martínez Julio Cesar Ramírez Pacheco MaSchedule. A multi-agent tool for scheduling problems. 100726 2025 23 Softw. Impacts https://doi.org/10.1016/j.simpa.2024.100726 db/journals/simpa/simpa23.html#TrejoSanchezSHVFLP25 streams/journals/simpa

Rafael Martínez-Peláez Luis J. Mena Homero Toral-Cruz Alberto M. Ochoa-Brust Apolinar González-Potes Víctor Flores Rodolfo Ostos Julio C. Ramírez-Pacheco Ramón A. Félix Vanessa G. Felix Can Large Language Models Foster Critical Thinking, Teamwork, and Problem-Solving Skills in Higher Education?: A Literature Review. 1013 2025 13 Syst. 11 https://doi.org/10.3390/systems13111013 db/journals/systems/systems13.html#MartinezPelaezMTOGFORFF25 streams/journals/systems

María Kristell Flores Reyes Daniel Sergio Martínez-Ramírez Julio Cesar Ramírez Pacheco Homero Toral-Cruz David Ernesto Troncoso Romero Ismael Osuna-Galán José-Antonio León-Borges Implementation of an Embedded System to Detect the Use of Face Masks Using a CNN Model for the Networking Laboratory at the UQRoo Campus Cancun. 47-61 2023 152 Res. Comput. Sci. 1 https://rcs.cic.ipn.mx/2023_152_1/Implementation%20of%20an%20Embedded%20System%20to%20Detect%20the%20Use%20of%20Face%20Masks%20Using%20a%20CNN%20Model.pdf db/journals/rcs/rcs152.html#ReyesMPTROL23

Luis David Huerta-Hernández Julio Cesar Ramírez Pacheco Homero Toral-Cruz Khalid S. Aloufi Oscar Alonso de la Rosa Aguilar José-Antonio León-Borges New Method for Automatic Recognition of Mexican Indigenous Languages: Comparative Performance of Classifiers. 649 2023 September 4 SN Comput. Sci. 5 https://doi.org/10.1007/s42979-023-01985-w db/journals/sncs/sncs4.html#HuertaHernandezPTAAL23

David Ernesto Troncoso Romero Julio Cesar Ramírez Pacheco José-Antonio León-Borges Homero Toral-Cruz APOS is Not Enough: Towards a More Appropriate Way to Estimate Computational Complexity in CIC Decimation Architectures. 15-25 2023 WITCOM https://doi.org/10.1007/978-3-031-45316-8_2 conf/witcom/2023 db/conf/witcom/witcom2023.html#RomeroPLT23 Julio Cesar Ramírez Pacheco David Ernesto Troncoso Romero Homero Toral-Cruz José-Antonio León-Borges Fractals and Wavelet Fisher's Information. 64-72 2023 WITCOM https://doi.org/10.1007/978-3-031-45316-8_6 conf/witcom/2023 db/conf/witcom/witcom2023.html#PachecoRTL23 Joel Antonio Trejo-Sánchez Francisco Javier Hernández-López Miguel Ángel Uh Zapata José Luis López-Martínez Daniel Fajardo-Delgado Julio Cesar Ramírez Pacheco Teaching High-Performance Computing in Developing Countries: A Case Study in Mexican Universities. 338-345 2022 IPDPS Workshops https://doi.org/10.1109/IPDPSW55747.2022.00066 conf/ipps/2022w db/conf/ipps/ipdps2022w.html#Trejo-SanchezHZ22

Luis David Huerta-Hernández Ricardo Melchor Julio Cesar Ramírez Pacheco Homero Toral-Cruz Khalid S. Aloufi José-Antonio León-Borges Automatic Recognition of Indigenous Languages from Different Mexican Geographic Regions Using Long-Term Average Spectrum. 33-44 2021 150 Res. Comput. Sci. 8 https://rcs.cic.ipn.mx/2021_150_8/Automatic%20Recognition%20of%20Indigenous%20Languages%20from%20Different%20Mexican%20Geographic%20Regions.pdf db/journals/rcs/rcs150.html#Huerta-Hernandez21

Joaquín Cortez González Miguel Bazdresch Julio C. Ramírez-Pacheco Ramón R. Palacio Erica Ruiz-Ibarra Low complexity maximum-likelihood detector for DSTTD architecture based on the QRD-M algorithm. 55-66 2019 70 Telecommun. Syst. 1 https://doi.org/10.1007/s11235-018-0467-8 db/journals/telsys/telsys70.html#GonzalezBRPR19

Fernando Hermosillo-Reynoso Deni Torres Román Jayro Santiago-Paz Julio C. Ramírez-Pacheco A Novel Algorithm Based on the Pixel-Entropy for Automatic Detection of Number of Lanes, Lane Centers, and Lane Division Lines Formation. 725 2018 20 Entropy 10 https://doi.org/10.3390/e20100725 https://www.wikidata.org/entity/Q103830970 db/journals/entropy/entropy20.html#Hermosillo-Reynoso18

Luis Rizo Domínguez David Muñoz-Rodríguez 0001 Cesar Vargas-Rosales Julio Cesar Ramírez Pacheco Rafaela Villalpando Hernandez Francisco Mendieta-Jimenez Internet delay forecasting for correlated and uncorrelated scenarios. 2018 31 Int. J. Commun. Syst. 3 https://doi.org/10.1002/dac.3472 db/journals/ijcomsys/ijcomsys31.html#DominguezRRPHM18

Joel Antonio Trejo-Sánchez José Luis López-Martínez José Octavio Gutiérrez García Julio Cesar Ramírez Pacheco Daniel Fajardo-Delgado A multi-agent architecture for scheduling of high performance services in a GPU cluster. 2018 9 Int. J. Comb. Optim. Probl. Informatics 1 https://ijcopi.org/index.php/ojs/article/view/75 db/journals/ijcopi/ijcopi9.html#Trejo-SanchezLG18 12-22

Julio Cesar Ramírez Pacheco Joel Antonio Trejo-Sánchez Joaquín Cortez González Ramón R. Palacio Classification of Fractal Signals Using Two-Parameter Non-Extensive Wavelet Entropy. 224 2017 19 Entropy 5 https://doi.org/10.3390/e19050224 db/journals/entropy/entropy19.html#PachecoTGP17

Joel Antonio Trejo-Sánchez José Alberto Fernández-Zepeda Julio Cesar Ramírez Pacheco A Self-Stabilizing Algorithm for a Maximal 2-Packing in a Cactus Graph Under Any Scheduler. 1021-1046 2017 28 Int. J. Found. Comput. Sci. 8 https://doi.org/10.1142/S012905411750037X https://www.wikidata.org/entity/Q130194868 db/journals/ijfcs/ijfcs28.html#Trejo-SanchezFP17

Homero Toral-Cruz Albena Dimitrova Mihovska Piotr Gaj Debiao He Julio Cesar Ramírez Pacheco Miroslav Voznák Izabella Lokshina Advances and Challenges in Convergent Communication Networks. 4919-4927 2017 96 Wirel. Pers. Commun. 4 https://doi.org/10.1007/s11277-017-4964-y https://www.wikidata.org/entity/Q58442133 db/journals/wpc/wpc96.html#Toral-CruzMGHPV17

Julio Cesar Ramírez Pacheco Luis Rizo Domínguez Joaquín Cortez González Wavelet-Tsallis Entropy Detection and Location of Mean Level-Shifts in Long-Memory fGn Signals. 7979-7995 2015 17 Entropy 12 https://doi.org/10.3390/e17127856 db/journals/entropy/entropy17.html#PachecoDG15

Joaquín Cortez González Ramón R. Palacio Julio Cesar Ramírez Pacheco Erica Ruiz-Ibarra A very low complexity near ML detector based on QRD-M algorithm for STBC-VBLAST architecture. 1-5 2015 LATINCOM https://doi.org/10.1109/LATINCOM.2015.7430123 conf/latincom/2015 db/conf/latincom/latincom2015.html#GonzalezPPR15

Luis Rizo Domínguez David Muñoz-Rodríguez 0001 Cesar Vargas-Rosales Deni Torres Román Julio C. Ramírez-Pacheco RTT Prediction in Heavy Tailed Networks. 700-703 2014 18 IEEE Commun. Lett. 4 https://doi.org/10.1109/LCOMM.2014.013114.132668 https://www.wikidata.org/entity/Q62586756 db/journals/icl/icl18.html#DominguezRRRR14

Homero Toral-Cruz Al-Sakib Khan Pathan Julio Cesar Ramírez Pacheco Accurate modeling of VoIP traffic QoS parameters in current and future networks with multifractal and Markov models. 2832-2845 2013 57 Math. Comput. Model. 11-12 https://doi.org/10.1016/j.mcm.2011.12.007 db/journals/mcm/mcm57.html#Toral-CruzPP13

Julio Cesar Ramírez Pacheco Deni Torres Román Jesús Argáez-Xool Luis Rizo Domínguez Joel Antonio Trejo-Sánchez Francisco Manzano-Pinzón Wavelet q-Fisher Information for Scaling Signal Analysis. 1478-1500 2012 14 Entropy 8 https://doi.org/10.3390/e14081478 db/journals/entropy/entropy14.html#PachecoRADTM12

Julio Cesar Ramírez Pacheco Deni Torres Román Luis Rizo Domínguez Joel Antonio Trejo-Sánchez Francisco Manzano-Pinzón Wavelet Fisher's Information Measure of 1=f α Signals. 1648-1663 2011 13 Entropy 9 https://doi.org/10.3390/e13091648 db/journals/entropy/entropy13.html#PachecoRDTM11

Homero Toral-Cruz Al-Sakib Khan Pathan Julio C. Ramírez-Pacheco Modeling QoS Parameters of VoIP Traffic with Multifractal and Markov Models. 255-265 2011 ICA3PP (2) https://doi.org/10.1007/978-3-642-24669-2_25 conf/ica3pp/2011-2 db/conf/ica3pp/ica3pp2011-2.html#Toral-CruzPR11

Deni Torres Román Julio C. Ramírez-Pacheco What is the Required Series Length for Correct Self-similarity Analysis. 297-310 2009 42 Res. Comput. Sci. https://rcs.cic.ipn.mx/2009_42/What%20is%20the%20Required%20Series%20Length%20for%20Correct%20Self-similarity%20Analysis.pdf db/journals/rcs/rcs42.html#RomanR09

Julio C. Ramírez-Pacheco Deni Torres Román Leopoldo Estrada Vargas R/S Statistic: Accuracy and Implementations. 17-22 2008 CONIELECOMP https://doi.org/10.1109/CONIELECOMP.2008.14 https://doi.ieeecomputersociety.org/10.1109/CONIELECOMP.2008.14 conf/conielecomp/2008 db/conf/conielecomp/conielecomp2008.html#Ramirez-Pacheco08 Leopoldo Estrada Vargas Deni Torres Román Julio C. Ramírez-Pacheco Hurst Parameter Estimator Based on a Decomposition by Aggregated Series. 171-176 2008 CONIELECOMP https://doi.org/10.1109/CONIELECOMP.2008.19 https://doi.ieeecomputersociety.org/10.1109/CONIELECOMP.2008.19 conf/conielecomp/2008 db/conf/conielecomp/conielecomp2008.html#VargasRR08 Julio Cesar Ramírez Pacheco Deni Torres Román Local and Cumulative Analysis of Self-similar Traffic Traces. 27 2006 conf/conielecomp/2006 CONIELECOMP https://doi.org/10.1109/CONIELECOMP.2006.37 https://doi.ieeecomputersociety.org/10.1109/CONIELECOMP.2006.37 db/conf/conielecomp/conielecomp2006.html#CesarD06 Julio Cesar Ramírez Pacheco Deni Torres Román Performance Analysis of Time-domain Algorithms for Self-similar Traffi. 28 2006 conf/conielecomp/2006 CONIELECOMP https://doi.org/10.1109/CONIELECOMP.2006.47 https://doi.ieeecomputersociety.org/10.1109/CONIELECOMP.2006.47 db/conf/conielecomp/conielecomp2006.html#CesarD06a

Joel Antonio Trejo-Sánchez Julio Cesar Ramírez Pacheco Multi-Agent Based Control for Urban Traffic Networks. 191-204 2005 27 Res. Comput. Sci. https://rcs.cic.ipn.mx/2005_27/Art17_Multi-Agent%20Based%20Control%20for%20Urban%20Traffic%20Networks.pdf db/journals/rcs/rcs27.html#Trejo-SanchezP05

Deni Torres Román Joel Antonio Trejo-Sánchez Julio Cesar Ramírez Pacheco A Tool for Long-Memory Analysis in Computer Network Timer Series. 217-230 2005 27 Res. Comput. Sci. https://rcs.cic.ipn.mx/2005_27/Art19_A%20Tool%20for%20Long-Memory%20Analysis%20in%20Computer%20Network%20Timer%20Series.pdf db/journals/rcs/rcs27.html#RomanTP05

Nayeli Joaquinita Meléndez Acosta Oscar Alonso de la Rosa Aguilar Khalid S. Aloufi Jesús Argáez-Xool Miguel Bazdresch Luis Rizo Domínguez Daniel Fajardo-Delgado Ramón A. Félix Vanessa G. Felix José Alberto Fernández-Zepeda Víctor Manuel Flores FonsecaVíctor Flores Piotr Gaj José Octavio Gutiérrez García Apolinar GonzálezApolinar González-Potes Joaquín Cortez González Debiao He Fernando Hermosillo-Reynoso Rafaela Villalpando Hernandez Francisco Javier Hernández-López Luis David Huerta-Hernández José-Antonio León-Borges Izabella Lokshina José Luis López-Martínez Francisco Manzano-Pinzón Rafael Martínez-Peláez Daniel Sergio Martínez-Ramírez Ricardo Melchor Luis J. Mena Francisco Mendieta-Jimenez Albena MihovskaAlbena Dimitrova Mihovska David Muñoz-Rodríguez 0001 Alberto Ochoa 0001Alberto M. Ochoa-Brust Rodolfo Ostos Ismael Osuna-Galán Ramón R. Palacio Al-Sakib Khan Pathan María Kristell Flores Reyes Deni Torres Román David E. Troncoso RomeroDavid Ernesto Troncoso Romero Erica Ruiz-Ibarra Candelaria E. Sansores Jayro Santiago-Paz Homero Toral-Cruz Joel Antonio Trejo-Sánchez Leopoldo Estrada Vargas Cesar Vargas-Rosales Jonás Velasco Miroslav Voznák Miguel Ángel Uh Zapata