Multi-priori-based black box adversarial test sample generation method and device
A technology of adversarial samples and test samples, which is applied in the field of machine learning, can solve problems such as adversarial sample attacks, achieve the effects of reducing the number of samples, speeding up generation, and improving the success rate of attacks
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[0057] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0058] At present, there have been works trying to combine the transfer-based black-box method with the score-based black-box method. In the process of stochastic gradient estimation method, the gradient of a proxy model is introduced into the probability distribution of random vectors as prior knowledge. , thereby reducing the expected two-norm error between the estimated gradient and the true gradient.
[0059] Based on the above ideas, the present invention considers the fusion of prior knowledge of multiple channels, better c...
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