3 papers
cs.LG2026
How Far is Too Far? Defining the Distance Threshold for Verification Siamese Networks
Heloísa Dias Viotto, Cauê Samonek, Lucas Garcia Pedroso +3
Siamese verification networks are widely used to compare items such as faces, cars, or signatures. In these scenarios, the network is trained to learn an embedding space in which s…
cs.CV2026
Além do Desempenho: Um Estudo da Confiabilidade de Detectores de Deepfakes
Lucas Lopes, Rayson Laroca, André Grégio
Deepfakes are synthetic media generated by artificial intelligence, with positive applications in education and creativity, but also serious negative impacts such as fraud, misinfo…
cs.CR2021
A [in]Segurança dos Sistemas Governamentais Brasileiros: Um Estudo de Caso em Sistemas Web e Redes Abertas
Marcus Botacin, André Grégio
Whereas the world relies on computer systems for providing public services, there is a lack of academic work that systematically assess the security of government systems. To parti…