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TYPE I ATTACK FOR GENERATIVE MODELS

Citation Author(s):
Chengjin Sun, Sizhe Chen, Jia Cai, Xiaolin Huang
Submitted by:
Chengjin Sun
Last updated:
13 December 2020 - 10:56pm
Document Type:
Student Thesis
Document Year:
2020
Event:
Presenters Name:
Chengjin Sun
Paper Code:
ICIP-1086

Abstract 

Abstract: 

Generative models are popular tools with a wide range of applications. Nevertheless, it is as vulnerable to adversarial samples as classifiers. The existing attack methods mainly focus on generating adversarial examples by adding imperceptible perturbations to input, which leads to wrong result. However, we focus on another aspect of attack, i.e., cheating models by significant changes. The former induces Type II error and the latter causes Type I error. In this paper, we propose Type I attack to generative models such as VAE and GAN. One example given in VAE is that we can change an original image significantly to a meaningless one but their reconstruction results are similar. To implement the Type I attack, we destroy the original one by increasing the distance in input space while keeping the output similar because different inputs may correspond to similar features for the property of deep neural network. Experimental results show that our attack method is effective to generate Type I adversarial examples for generative models on large-scale image datasets.

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TYPE I ATTACK FOR GENERATIVE MODELS

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