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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 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 ...
Aplicando princípios de aprendizado de máquina na construção de um biocurador automático para o Gene Ontology (GO)
(Universidade Federal de São Carlos, 2013-10-08)
Nowadays, the amount of biological data available by universities, hospitals and research centers has increased exponentially due the use of bioinformatics, with the development of methods and advanced computational tools, ...
SEnsembles – uma abordagem para melhorar a qualidade das correspondências de instâncias disjuntas em estudos observacionais explorando características idênticas e ensembles de regressores
(Universidade Federal de São Carlos, 2016-12-16)
Introduction. The datasets used in observational studies have instances belonging to two distinct groups (i.e. treatment group and control group), which are compared in order to estimate the effect of the treatment over ...
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, ...
Enhancing solar flare forecasting: a multi-class and multi-label classification approach to handle imbalanced time series
(Universidade Federal de São Carlos, 2019-06-21)
Solar flares are huge releases of energy from the Sun. They are categorized in five levels
according to their potential damage to Earth (A, B, C, M, and X) and may produce strong
impacts to communication systems, threatening ...
Processamento eficiente de junção espacial em ambiente paralelo e distribuído baseado em Spatialhadoop
(Universidade Federal de São Carlos, 2017-02-17)
The huge volume of spatial data generated and made available in recent years from
different sources, such as remote sensing, smart phones, space telescopes, and
satellites, has motivated researchers and practitioners ...
Aprendizado de máquina aplicado ao auxílio do diagnóstico da doença de Parkinson
(Universidade Federal de São Carlos, 2017-07-26)
Currently, it is not a trivial task to point out a test that can diagnose accurately enough a patient
with Parkinson’s Disease, as well as it is quit difficult to assess the level of the disease.
Experts recommend the ...
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 ...
Model-based design of user interfaces to support situation awareness in maintenance
(Universidade Federal de São Carlos, 2016-12-13)
Situation Awareness (SAW) is a cognitive process defined as the perception of elements and
events within a time frame, the understanding of their situation and the projection of their
status. SAW is a prerequisite for ...