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Parallelization of a Multipartite Graph Matching Algorithm for Tracking Multiple Football Players
(2018)
This work describes the parallel methodology for a football tracking algorithm based on multipartite graphs using MPI and OpenMP. The proposed algorithm use a consumer-producer scheme to overlap the computing time of the ...
Assessing the robustness of recurrent neural networks to enhance the spectrum of reverberated speech
(2020)
Implementing voice recognition systems and voice analysis in real-life contexts present important challenges, especially when signal recording/registering conditions are adverse. One of the conditions that produce signal ...
Metodología para la determinación de curvas de carga y consumo eléctrico residencial por uso
(2019-02)
Métodos de estimación de curvas de uso final. Conexiones residenciales y equipos de medición. Planificación de las mediciones e instrumentos de ejecución. Metodología propuesta para la estimación de curvas de uso final. ...
Estudio para la caracterización del consumo energético en el sector residencial
(2019-02-28)
El informe presenta un análisis de los resultados de la encuesta nacional de consumo de energía a nivel residencial desarrollada por la Escuela de Ingeniería Eléctrica de la Universidad de Costa Rica (UCR).
Reconstructing fundamental frequency from noisy speech using initialized autoencoders
(2020-10)
In this paper, we present a new approach for fundamental frequency (f0) detection in noisy speech, based on Long Short-term Memory Neural Networks (LSTM). f0 is one of the most important parameters of human speech. Its ...
An experimental study on fundamental frequency detection in reverberated speech with pre-trained recurrent neural networks
(2020)
The detection of the fundamental frequency (f0) in speech signals is relevant in areas such as automatic speech recognition and identification, with multiple potential applications. For example, in virtual assistants, ...
A first approach to acoustic characterization of Costa Rican children’s speech
Un primer acercamiento a la caracterización acústica del habla de niños costarricenses
(2020-03-27)
As human interaction with computers becomes more pervasive, the value of developing automatic speech recognition, text-to-speech synthesis, and related speech technologies become more important for people of all ages, ...
Primeras experiencias de colaboración docente entre las carreras de Ingeniería Eléctrica y Educación Especial de la Universidad de Costa Rica, en torno a proyectos de acción social a favor de la población en condición de discapacidad
Opportunities for collaboration between Electrical Engineering and Special Education majors at the University of Costa Rica: Social outreach projects to benefit disabled population groups
(2021-10)
En el presente artículo se exponen y contextualizan las experiencias de vinculación docente entre las carreras de Educación Especial e Ingeniería Eléctrica en la Universidad de Costa Rica durante el periodo de 2018 a 2020, ...
Estimating battery lifetimes in Solar Home System design using a practical modelling methodology
(2018-10-15)
The rapid increase in the adoption of Solar Home Systems (SHS) in recent times hopes to ameliorate the global problem of energy poverty. The battery is a vital but usually the most expensive part of an SHS; owing to the ...