Leveraging AutoEncoders and chaos theory to improve adversarial example detection

The phenomenon of adversarial examples is one of the most attractive topics in machine learning research these days. These are particular cases that are able to mislead neural networks, with critical consequences. For this reason, different approaches are considered to tackle the problem. On the one...

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Detalhes bibliográficos
Autores: Pedraza Dorado, Aníbal, Déniz Suárez, Óscar, Singh, Harbinder, Bueno García, María Gloria
Formato: artículo
Fecha de publicación:2024
País:España
Recursos:Universidad de Castilla-La Mancha
Repositorio:RUIdeRA. Repositorio Institucional de la UCLM
OAI Identifier:oai:ruidera.uclm.es:10578/45807
Acesso em linha:https://doi.org/10.1007/s00521-024-10141-1
https://link.springer.com/article/10.1007/s00521-024-10141-1
https://hdl.handle.net/10578/45807
Access Level:acceso abierto
Palavra-chave:Adversarial examples
AutoEncoders
Chaos theory
Lyapunov exponents
Trustworthy machine learning
Descrição
Resumo:The phenomenon of adversarial examples is one of the most attractive topics in machine learning research these days. These are particular cases that are able to mislead neural networks, with critical consequences. For this reason, different approaches are considered to tackle the problem. On the one side, defense mechanisms, such as AutoEncoder-based methods, are able to learn from the distribution of adversarial perturbations to detect them. On the other side, chaos theory and Lyapunov exponents (LEs) have also been shown to be useful to characterize them. This work proposes the combination of both domains. The proposed method employs these exponents to add more information to the loss function that is used during an AutoEncoder training process. As a result, this method achieves a general improvement in adversarial examples detection performance for a wide variety of attack methods.