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Detecção de ataques a sistemas de reconhecimento facial utilizando abordagens eficientes de aprendizado de máquina em profundidade
(Universidade Federal de São Carlos, 2019-05-21)
Biometrics emerged, in the last decades, as a robust and convenient solution for security systems. However, despite the higher difficulty to circumvent the biometric applications, nowadays, criminals are developing attacks, ...
Geração genética multiobjetivo de bases de conhecimento fuzzy com enfoque na distribuição das soluções não dominadas
(Universidade Federal de São Carlos, 2014-12-02)
The process of building the knowledge base of fuzzy systems has benefited extensively
of methods to automatically extract the necessary knowledge from data sets that represent
examples of the problem. Among the topics ...
Filtragem de ruído em imagens tomográficas com baixa taxa de contagem utilizando uma abordagem bayesiana contextual
(Universidade Federal de São Carlos, 2013-03-22)
Computed Tomography (CT) images, in many cases, need to be acquired with low photon counting due to low exposure time to the rays of the CT scanner to reduce the radiation doses to the maximum possible (in Medicine, the ...
Super resolução baseada em métodos iterativos de restauração
(Universidade Federal de São Carlos, 2013-06-24)
The resolution enhancement of an image is always desirable, independently of its objective, but mainly if the image has the purpose of visual analysis. The hardware development for increasing the image resolution still has ...
Uma abordagem de sistema de recomendação orientada pelo aprendizado sem fim
(Universidade Federal de São Carlos, 2014-02-28)
Recommender Systems have a very well defined function: recommend something to someone. Through Artificial Intelligence techniques, more particularly from areas such as Data Mining and Machine Learning, it is possible to ...
Restauração de imagens utilizando aprendizado de máquina
(Universidade Federal de São Carlos, 2019-03-08)
Image processing is an area that has received considerable attention as a result of the evo-
lution of digital computing technology. One of the main techniques of image processing
concerns its restoration, which consists ...
Uma arquitetura para intercomunicação de ambientes de realidade virtual distribuídos baseados em aglomerados gráficos remotos
(Universidade Federal de São Carlos, 2016-05-23)
Virtual reality is a technology that combines the creation of synthetic and three-dimensional virtual environments (3D), providing a high degree of immersion and interaction. At the same time, the Collaborative Work area ...
Projeto de um sistema de registro de sinais de neurônios em matriz de microeletrodos com ressonância estocástica
(Universidade Federal de São Carlos, 2019-09-11)
This PhD thesis aims at the study and practical implementation of a complete system capable of recording electrical signals from a Microelectrode Array. This multi-electrode planar matrix known as MEA (MicroElectrode Array), ...
FrAMC-i: um framework de apoio à produção de conteúdo multimídia complementar interativo
(Universidade Federal de São Carlos, 2014-08-27)
The television is the medium of information and entertainment most utilized by Brazilians. Despite its great reach, this vehicle, which should be an instrument to promote social inclusion, often causes the opposite effect. ...
Metodologia iterativa e modelos integradores para desenvolvimento de jogos sérios de treinamento e avaliação de desempenho humano
(Universidade Federal de São Carlos, 2014-11-25)
Training aims to improve the professional competences (knowledge, skills and attitudes) and it is essential particularly in risk activities to the life, property and environment. Due to the risk and cost of traditional ...