SSL-WM: A Black-Box Watermarking Approach for Encoders Pre-trained by Self-supervised Learning

Fuente: arXiv
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Autori principali: Lv, Peizhuo, Li, Pan, Zhu, Shenchen, Zhang, Shengzhi, Chen, Kai, Liang, Ruigang, Yue, Chang, Xiang, Fan, Cai, Yuling, Ma, Hualong, Zhang, Yingjun, Meng, Guozhu
Natura: Preprint
Pubblicazione: 2022
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author Lv, Peizhuo
Li, Pan
Zhu, Shenchen
Zhang, Shengzhi
Chen, Kai
Liang, Ruigang
Yue, Chang
Xiang, Fan
Cai, Yuling
Ma, Hualong
Zhang, Yingjun
Meng, Guozhu
author_facet Lv, Peizhuo
Li, Pan
Zhu, Shenchen
Zhang, Shengzhi
Chen, Kai
Liang, Ruigang
Yue, Chang
Xiang, Fan
Cai, Yuling
Ma, Hualong
Zhang, Yingjun
Meng, Guozhu
contents Recent years have witnessed tremendous success in Self-Supervised Learning (SSL), which has been widely utilized to facilitate various downstream tasks in Computer Vision (CV) and Natural Language Processing (NLP) domains. However, attackers may steal such SSL models and commercialize them for profit, making it crucial to verify the ownership of the SSL models. Most existing ownership protection solutions (e.g., backdoor-based watermarks) are designed for supervised learning models and cannot be used directly since they require that the models' downstream tasks and target labels be known and available during watermark embedding, which is not always possible in the domain of SSL. To address such a problem, especially when downstream tasks are diverse and unknown during watermark embedding, we propose a novel black-box watermarking solution, named SSL-WM, for verifying the ownership of SSL models. SSL-WM maps watermarked inputs of the protected encoders into an invariant representation space, which causes any downstream classifier to produce expected behavior, thus allowing the detection of embedded watermarks. We evaluate SSL-WM on numerous tasks, such as CV and NLP, using different SSL models both contrastive-based and generative-based. Experimental results demonstrate that SSL-WM can effectively verify the ownership of stolen SSL models in various downstream tasks. Furthermore, SSL-WM is robust against model fine-tuning, pruning, and input preprocessing attacks. Lastly, SSL-WM can also evade detection from evaluated watermark detection approaches, demonstrating its promising application in protecting the ownership of SSL models.
format Preprint
id arxiv_https___arxiv_org_abs_2209_03563
institution arXiv
publishDate 2022
record_format arxiv
spellingShingle SSL-WM: A Black-Box Watermarking Approach for Encoders Pre-trained by Self-supervised Learning
Lv, Peizhuo
Li, Pan
Zhu, Shenchen
Zhang, Shengzhi
Chen, Kai
Liang, Ruigang
Yue, Chang
Xiang, Fan
Cai, Yuling
Ma, Hualong
Zhang, Yingjun
Meng, Guozhu
Cryptography and Security
Artificial Intelligence
Recent years have witnessed tremendous success in Self-Supervised Learning (SSL), which has been widely utilized to facilitate various downstream tasks in Computer Vision (CV) and Natural Language Processing (NLP) domains. However, attackers may steal such SSL models and commercialize them for profit, making it crucial to verify the ownership of the SSL models. Most existing ownership protection solutions (e.g., backdoor-based watermarks) are designed for supervised learning models and cannot be used directly since they require that the models' downstream tasks and target labels be known and available during watermark embedding, which is not always possible in the domain of SSL. To address such a problem, especially when downstream tasks are diverse and unknown during watermark embedding, we propose a novel black-box watermarking solution, named SSL-WM, for verifying the ownership of SSL models. SSL-WM maps watermarked inputs of the protected encoders into an invariant representation space, which causes any downstream classifier to produce expected behavior, thus allowing the detection of embedded watermarks. We evaluate SSL-WM on numerous tasks, such as CV and NLP, using different SSL models both contrastive-based and generative-based. Experimental results demonstrate that SSL-WM can effectively verify the ownership of stolen SSL models in various downstream tasks. Furthermore, SSL-WM is robust against model fine-tuning, pruning, and input preprocessing attacks. Lastly, SSL-WM can also evade detection from evaluated watermark detection approaches, demonstrating its promising application in protecting the ownership of SSL models.
title SSL-WM: A Black-Box Watermarking Approach for Encoders Pre-trained by Self-supervised Learning
topic Cryptography and Security
Artificial Intelligence
url https://arxiv.org/abs/2209.03563