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Analyzing IDS botnets detection
(Universidade Tecnológica Federal do ParanáMedianeiraBrasilCiência da ComputaçãoUTFPR, 2018-12-10)
In a world increasingly connected with equipment permanently attached, the risk of cybersecurity had rise. Among the various vulnerabilities and forms of exploitation, the Botnets are those being addressed in this work. ...
Otimização de hiperparâmetros em machine learning utilizando uma surrogate e algoritmos evolutivos
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia da ComputaçãoUTFPR, 2020-07-16)
This work presents a new approach for hyperparameter optimization in Machine Learning algorithms. The idea is to build a surrogate with quasirandom numbers generated by Sobol's algorithm and then use an evolutionary algorithm ...
Análise e implementação de técnicas de esteganografia
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia da ComputaçãoUTFPR, 2015)
This paper proposes the analysis and implementation of steganography techniques. After implementation, the images generated by the steganography process undergone steganalysis techniques, these being statistical structural ...
Técnicas de classificação para a predição da evasão universitária
(Universidade Tecnológica Federal do ParanáLondrinaBrasilEngenharia de ProduçãoUTFPR, 2021-05-13)
This research pursues to predict the classification of students regarding dropout through the application of Machine Learning techniques. For this, a theoretical grounding was made on the possible causes of student dropout ...
Comparação de técnicas de rastreamento de objetos
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de InformáticaEngenharia de ComputaçãoUTFPR, 2020-12-04)
Tracking is a field of study that has been growing drastically in recent years due to the great interest in the fields of applications. Consequently, several algorithms, methods and theories were developed and proposed in ...
Classificação de padrões de mastigação de ruminantes utilizando aprendizagem de máquina
(Universidade Tecnológica Federal do ParanáPato BrancoPrograma de Pós-Graduação em Engenharia Elétrica, 2015-08-20)
In this work, a system to automate the classification of chewing patterns of ruminants is developed. Pattern classification of ingestive behavior in grazing animals has extreme importance in studies related to animal ...
Aplicação de conceitos de redes neurais convolucionais na classificação de imagens de folhas
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de InformáticaEngenharia de ComputaçãoUTFPR, 2018-07-05)
This work proposes an algorithm to solve one of the problems faced by taxonomists, the classification of leaves, a process that is done manually and takes a lot of time to accomplish, where the success rate depends simply ...
Classificação automática de cenas acústicas usando algoritmos de clusterização
(Universidade Tecnológica Federal do ParanáCampo MouraoBrasilDepartamento Acadêmico de ComputaçãoCiência da ComputaçãoUTFPR, 2019-11-27)
The Acoustic Scene Classification problem deals with assigning an environment-related label to an audio signal. Among the labels are parks, airports, streets and public squares. In this work we present four approaches to ...
Identificação de barras quebradas em motores de indução através de parâmetros característicos e SVM
(Universidade Tecnológica Federal do ParanáToledoBrasilEngenharia EletrônicaUTFPR, 2017-11-13)
Triphasic induction machines (MIT) are the backbone in modern electromechanical conversion of energy, however, not even those simple and robust machines are completely failsafe, making a non-invasive damage identification ...
Identificação de sistemas dinâmicos não lineares para o controle preditivo de climatização, usando modelos Hammerstein
(Universidade Tecnológica Federal do ParanáDois VizinhosBrasilEngenharia de SoftwareUTFPR, 2019-11-25)
This work aims at the development of a methodology to obtain, automatically, the non-linear static part of a model in Hammerstein for the predictive control of climatization in non-residential buildings, based on machine ...