RSS 1.0Departamento de Ciência da Computação e Estatística
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Improving risk identification process in project management
De Godoi Contessoto, Allan
; Sant Ana, Laís Andreoli ; De Souza, Rogéria Cristiane Gratão ; Valêncio, Carlos Roberto ; Donegá, Geraldo Francisco ; Amorim, Anderson Rici ; Esteca, Antonio Marcos Neves (Proceedings of the International Conference on Software Engineering and Knowledge Engineering, SEKE, 2016) [Trabalho apresentado em evento]
Nowadays there are many information systems which aim the decision-making, automating the processes of project management. However, many times these systems limit the specific functions related to risk management processes ... -
Pattern recognition with applications to pre-diagnosis of pathologies in the vocal tract
; Dezani, Henrique; ; Capobianco Guido, Rodrigo ; ; Marranghello, Norian (Network Security and Communication Engineering - Proceedings of the 2014 International Conference on Network Security and Communication Engineering, NSCE 2014, 2015) [Trabalho apresentado em evento]
For the detection of laryngeal pathologies, in general medical examinations, for example laryngoscopy and stroboscopy, are adopted. Besides being considered invasive and uncomfortable procedures, they are made only by ... -
Parallel fuzzy minimals on GPU
Manacero, Aleardo; Guariglia, Emanuel ; de Souza, Thiago Alexandre ; Lobato, Renata Spolon ; Spolon, Roberta (Applied Sciences (Switzerland), 2022) [Artigo]
Clustering is a classification method that organizes objects into groups based on their similarity. Data clustering can extract valuable information, such as human behavior, trends, and so on, from large datasets by using ... -
Detection of Newly Registered Malicious Domains through Passive DNS
Silveira, Marcos Rogério; Marcos Da Silva, Leandro ; Cansian, Adriano Mauro ; (Proceedings - 2021 IEEE International Conference on Big Data, Big Data 2021, 2021) [Trabalho apresentado em evento]
Due to the importance of DNS for the good functioning of the Internet, malicious users register domains for malicious purposes, such as the spreading of malware and the practice of phishing. In this work, an approach capable ... -
Knowledge-Based Wavelet Filters Prominently Detect Spoofed Speech
De Almeida, Alex M. G.; Guido, Rodrigo Capobianco (Proceedings - 23rd IEEE International Symposium on Multimedia, ISM 2021, 2021) [Trabalho apresentado em evento]
Although voice biometrics has been at the forefront of speech technologies, spoofing attacks have been one of the main issues responsible for avoiding its practical usage in commercial applications. Consequently, this ... -
The Haar Wavelet Transform in IoT Digital Audio Signal Processing
; ; Guido, Rodrigo Capobianco; (Circuits, Systems, and Signal Processing, 2022) [Artigo]
Digital signal processing allows a wide range of digital applications, including audio processing. Discrete wavelet transform (DWT) is one of the most efficient ways of time–frequency analysis of an audio signal. The ... -
Wavelet Transform Applied to Coffee Entomology
; ; Guido, Rodrigo Capobianco; (2021 Signal Processing Symposium, SPSympo 2021, 2021) [Trabalho apresentado em evento]
In this work, the design and development of a computational algorithm to assist in the management of insect pests in coffee plantations are presented, particularly for detecting the presence of cicadas. Acoustic signals, ... -
A mesh network case study for digital audio signal processing in Smart Farm
; ; Guido, Rodrigo Capobianco; ; ; (Internet of Things (Netherlands), 2022) [Artigo]
The Internet of Things (IoT) is increasingly present in people's daily lives and in many projects involving Smart Farm monitoring. Digital processing of audio signals enables detection and monitoring of species that emit ... -
IoT device coverage analysis for smart farm monitoring
; Guido, Rodrigo Capobianco; ; (RISTI - Revista Iberica de Sistemas e Tecnologias de Informacao, 2021) [Artigo]
Improving the process of monitoring pest insects in agricultural areas is a challenge for scientists. The cicada is an insect-pest of the coffee crop that has a distinctive feature of sound emission. A device capable of ... -
A New Multi-filter Framework with Statistical Dense SIFT Descriptor for Spoofing Detection in Fingerprint Authentication Systems
; ; Boaventura, Maurílio; Boaventura, Inês Aparecida Gasparotto ; ; (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2021) [Trabalho apresentado em evento]
Fingerprint-based authentication systems represent what is most common in biometric authentication systems. Today’s simplest tasks, such as unlocking functions on a personal cell phone, may require its owner’s fingerprint. ... -
Simulation Platform on Distributed Shared Memory
Lobato, Renata Spolon; Spolon, Roberta ; Simioni, Bruno ; Manacero, Aleardo ; (Iberian Conference on Information Systems and Technologies, CISTI, 2021) [Trabalho apresentado em evento]
This document presents the work related to a simulation event driven platform, Darfia, engineered through the use of distributed and shared memory (DSM) using the framework Terracotta DSO, in order to facilitate the ... -
Mining negative rules: A literature review focusing on performance
Colombo, Alexandre; Spolon, Roberta ; Lobato, Renata Spolon ; Manacero, Aleardo ; (Iberian Conference on Information Systems and Technologies, CISTI, 2021) [Trabalho apresentado em evento]
Mining of frequent patterns and association rules is a Data Mining task that aims to determine consistent relationships among elements in a transaction database. Algorithms that consider the absence of elements perform the ... -
Faults in Cloud Environment
Lobato, Renata Spolon; Da Silva, Fabio Amorim ; Spolon, Roberta ; Manacero, Aleardo ; ; (Iberian Conference on Information Systems and Technologies, CISTI, 2021) [Trabalho apresentado em evento]
Cloud computing is an area in great expansion in the recently years and have begin to be indispensable for greatest majority of world population, even for those who do not work directly on technical areas. One of the ... -
Improving the potential of Enhanced Teager Energy Cepstral Coefficients (ETECC) for replay attack detection
; ; ; Guido, Rodrigo Capobianco (Computer Speech and Language, 2022) [Artigo]
In the scope of voice biometrics, the term replay attack, (RA) refers to the dishonest attempt made by an impostor to spoof someone else's identity by replaying the subject's previously recorded speech close to the Automatic ... -
An open web-based platform for enhancing the visibility of Brazilian research
Da Cruz, Alvaro Magri Nogueira; Santos, Adriana Barbosa ; De Souza, Rogeria Cristiane Gratao ; Parolin, Thiago Luiz (Proceedings - 2020 International Conference on Computational Science and Computational Intelligence, CSCI 2020, 2020) [Trabalho apresentado em evento]
The scientific research developed in Brazil is prominent in the global scene. Despite this, it still lacks visibility outside the scientific sphere and better recognition for Brazilian researchers. This paper presents a ... -
Metaheuristics for multiple sequence alignment: A systematic review
; Zafalon, Geraldo Francisco Donegá; ; Valêncio, Carlos Roberto ; (Computational Biology and Chemistry, 2021) [Resenha]
The Multiple Sequence Alignment (MSA) is a key task in bioinformatics, because it is used in different important biological analysis, such as function and structure prediction of unknown proteins. There are several approaches ... -
Corneal Tomography Multivariate Index (CTMVI) effectively distinguishes healthy corneas from those susceptible to ectasia
; Guido, Rodrigo Capobianco; Neto, Jogi Suda ; Rosa, João Marcos ; ; ; (Biomedical Signal Processing and Control, 2021) [Artigo]
Background: Keratoconus (KC) is a multifactorial progressive corneal disease, pathogenically characterized by genetic, biochemical, and environmental key factors. Nevertheless, current tools used for its diagnosis, such ... -
Particle Swarm Algorithm Parameters Analysis for Scheduling Virtual Machines in Cloud Computing
De Silva, Wellington Francisco; Spolon, Roberta ; Lobato, Renata Spolon ; Junior, Aleardo Manacero ; (Iberian Conference on Information Systems and Technologies, CISTI, 2020) [Trabalho apresentado em evento]
The computational demand of recent years has made a new computational paradigm become extremely necessary to meet the demand for resources. Cloud computing has been widely used and is a reality in all sectors that demand ... -
Project scope management: A strategy oriented to the requirements engineering
Lampa, Igor Luiz; De Godoi Contessoto, Allan ; Amorim, Anderson Rici ; Zafalon, Geraldo Francisco Donegá ; Valêncio, Carlos Roberto ; De Souza, Rogéria Cristiane Gratão (ICEIS 2017 - Proceedings of the 19th International Conference on Enterprise Information Systems, 2017) [Trabalho apresentado em evento]
Scope management is an area of project management defined by PMBoK, which has processes to register and control everything that belongs to the project boundaries. Although the relevance of this area to the success of ... -
Performance improvement of genetic algorithm for multiple sequence alignment
Amorim, Anderson Rici; Visotaky, Joao Matheus Verdadeiro ; Contessoto, Allan De Godoi ; Neves, Leandro Alves ; Souza, Rogeria Cristiane Gratao De ; Valencio, Carlos Roberto ; Zafalon, Geraldo Francisco Donega (Parallel and Distributed Computing, Applications and Technologies, PDCAT Proceedings, 2016) [Trabalho apresentado em evento]
The multiple sequence alignment (MSA) is considered one of the most important tasks in Bioinformatics. Nevertheless, with the growth in the amount of genomic data available, it is essential the results with biological ...