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Investigação de métodos de seleção de atributos para problemas de classificação hierárquica multirrótulo
(Universidade Federal de São Carlos, 2023-04-06)
Classification is the task of assigning data instances to classes. In Hierarchical Multi- label Classification, instances may belong to two or more classes (labels) simultaneously, where the classes are hierarchically ...
Segmentação de vasos sanguíneos utilizando Redes Neurais Convolucionais: visualização e análise de correlação dos mapas de ativação
(Universidade Federal de São Carlos, 2023-03-29)
Convolutional neural networks (CNN) are responsible for advancing the automation of tasks in the field of computer vision, with image classification, object recognition and image segmentation, as it is present in different ...
Aplicação de métodos de redução de dimensionalidade não lineares em classificadores paramétricos e não paramétricos
(Universidade Federal de São Carlos, 2023-12-04)
Much of the data collected and used in machine learning applications is structured in high-dimensional spaces. Images, text documents and sensor data are some examples of data collected all the time, and whose number of ...
Análise e aplicações do algoritmo UMAP para classificação e redução de dimensionalidade de conjuntos de dados com múltiplas variáveis
(Universidade Federal de São Carlos, 2023-03-29)
Through many real-life applications, gathering information through real instruments subject to noise and imperfections tends to generate datasets where the number of observed variables and components easily exceeds a number ...
Projeto e implementação de um ambiente de capacitação em computação em nuvem com virtualização
(Universidade Federal de São Carlos, 2024-02-01)
OpenStack-based cloud computing platforms are notoriously complex to deploy, requiring the efforts of operators who are familiar with the process and its interactions with the surrounding environment. In particular, ...
Aplicação web para modelo de classificação da qualidade da argumentação em tweets no domínio da política brasileira
(Universidade Federal de São Carlos, 2024-01-29)
In the contemporary Brazilian political scenario, argumentation on social media platforms, with a particular focus on Twitter (currently known as X), plays a fundamental role in shaping public opinion. Evaluating the quality ...
Um estudo sobre o uso de módulos core em testes automatizados de aplicações Node.js
(Universidade Federal de São Carlos, 2024-02-01)
With the continuous advancement of web applications, understanding their behaviors and key operations is indispensable for improving the technologies used. This study focuses on the analysis of asynchronous functions in ...
Rotulação de sintoma de depressão utilizando aprendizado ativo e processamento de linguagem natural
(Universidade Federal de São Carlos, 2024-01-31)
The approach to caring for psychological disorders, especially depression and anxiety, is seen as one of the current major concerns in mental health. Social networks, such as Twitter, not only allow individuals to maintain ...
Aplicação web back-end de um fantasy game
(Universidade Federal de São Carlos, 2023-07-21)
In Brazil, the most popular sport is football and, therefore, it is recognized in scenarios that go beyond the lawns, such as the Fantasy Games. Users of this game style create and manage their own teams online, using real ...
Algoritimo de detecção de retinopatia diabética baseado em aprendizado de máquina
(Universidade Federal de São Carlos, 2023-04-06)
In this study, the application of neural network and machine learning techniques was explored in order to identify the presence of lesions related to diabetic retinopathy (DR) in fundus images. DR is a frequent complication ...