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Attacking Black-Box Image Classifiers With Particle Swarm Optimization
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DOI：10.1109/ACCESS.2019.2948146.png)
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Abstract
En 中文
In order to better solve the shortcomings of Deep Neural Networks (DNNs) susceptible to adversarial examples, evaluating existing neural network classification performance and increasing training sets to improve the robustness of classification models require more effective methods of the adversarial examples generation. Under the black-box condition, less information about parameters of the classification model, limited query times, and less feedback information available, it is difficult to generate adversarial examples against the black-box model. In order to further improve the efficiency of the adversarial images generation, we propose two different variants of Partial Swarm Optimization algorithm (vPSO) base on the traditional Partial Swarm Optimization for the targeted and non-targeted attack under conditions of the completely black-box. Compared with the existing of the state-of-the-art generation algorithm, the vPSO effectively reduce the number of queries to the black-box classifier and the dependence on the feedback information. The success rate of the targeted attack is up to 96.0% and the average number of queries for the black-box model is greatly reduced. Furthermore, we propose an efficient target image screening method in targeted attacks, as well as the concept of easy-to-attack and hard-to-attack images in non-targeted attacks, and give corresponding distinctions.
Keywords:
PSO
variants of PSO (vPSO)
deep neural network
images classifiers
black-box attack
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