Mr. Zihua Fang Profile

Zihua Fang

at South China Univ of Technology

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Proceedings Article | 13 January 2023 Paper

Analysis of adversarial attack based on FGSM

Zihua Fang

Proceedings Volume 12509, 125090N (2023) https://doi.org/10.1117/12.2656064

KEYWORDS: Neural networks, Performance modeling, Data modeling, Image classification, Convolution, Image processing, Evolutionary algorithms, Visual process modeling, Statistical modeling, Network architectures

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With more and more applications of deep learning, including neural networks, the lack of explanatory make it easy to under external attacks. This paper mainly focuses on adversarial attack, that is, by adding slight perturbation to the input data, which cannot be detected by human being, can lead to a wrong output of the model and maximize the model’s prediction error, resulting in a distrastic decline in the performance of the model, including prediction accuracy, etc. But so far, there is still no sufficient theoretical support for why adversarial attack that can not be detected can lead to serious performance degradation of neural network models, some attempts at explaining this phenomenon focused on the reason of over-fitteing or the linear or unlinear nature of the neural network. In this paper, several experiments based on Fast Gradient Sign Attack Algorithm to resist adversarial attack are designed and implemented towards the model of neural network on the tasks of the image recognition and classification, and some regular experimental results are obtained. The experimental results provide some evidence for the argument that the reason why adversarial examples and adversarial attack can work is over-fitting, but it is possible that the evaluation methods can not measure such special kind of overfitting.

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