Search Results - "Perez, Fabio Luis"

An improved mean-square weight deviation-proportionate gain algorithm based on error autocorrelation by Perez, Fábio Luis, de Souza, Francisco das Chagas, Seara, Rui

“…This paper presents an alternative approach to the gain distribution policy used in the z2-proportionate algorithm. The gain policy of the z2-proportionate…”
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A two-gain NLMS algorithm for sparse system identification by Luis Perez, Fábio, André Pitz, Ciro, Seara, Rui

“…•A modified normalized least-mean-square (NLMS) algorithm is proposed.•The proposed approach considers two different gains in the adaptation process.•The…”
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Classification of insulators using neural network based on computer vision by Stefenon, Stéfano Frizzo, Corso, Marcelo Picolotto, Nied, Ademir, Perez, Fabio Luis, Yow, Kin‐Choong, Gonzalez, Gabriel Villarrubia, Leithardt, Valderi Reis Quietinho

“…Insulators of the electrical power grid are usually installed outdoors, so they suffer from environmental stresses, such as the presence of contamination…”
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Evaluation of visible contamination on power grid insulators using convolutional neural networks by Corso, Marcelo Picolotto, Stefenon, Stefano Frizzo, Singh, Gurmail, Matsuo, Marcos Vinicius, Perez, Fábio Luis, Leithardt, Valderi Reis Quietinho

“…The contamination of insulators increases their surface conductivity, resulting in a higher chance of shutdowns occurring. To measure contamination, equivalent…”
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Low-Cost CNN for Automatic Violence Recognition on Embedded System by Vieira, Joelton Cezar, Sartori, Andreza, Stefenon, Stefano Frizzo, Perez, Fabio Luis, de Jesus, Gabriel Schneider, Leithardt, Valderi Reis Quietinho

“…Due to the increasing number of violence cases, there is a high demand for efficient monitoring systems, however, these systems can be susceptible to failure…”
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A novel gain distribution policy based on individual-coefficient convergence for PNLMS-type algorithms by Perez, Fábio Luis, Kuhn, Eduardo Vinicius, de Souza, Francisco das Chagas, Seara, Rui

“…•An effective gain distribution policy for PNLMS-type algorithms is introduced.•The policy aims to redistribute gain assigned to coefficients that have…”
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Classification of Contaminated Insulators Using k-Nearest Neighbors Based on Computer Vision by Corso, Marcelo Picolotto, Perez, Fabio Luis, Stefenon, Stéfano Frizzo, Yow, Kin-Choong, García Ovejero, Raúl, Leithardt, Valderi Reis Quietinho

“…Contamination on insulators may increase the surface conductivity of the insulator, and as a consequence, electrical discharges occur more frequently, which…”
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On the Stochastic Modeling of the NSVR–IAF–PNLMS Algorithm for Correlated Gaussian Input Data by Kuhn, Eduardo Vinicius, Perez, Fábio Luis, de Souza, Francisco das Chagas, Seara, Rui

“…This paper presents a stochastic model for the normalized smoothed variation rate individual-activation-factor proportionate normalized least-mean-square…”
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