Harnessing Inherent Noises for Privacy Preservation in Quantum Machine Learning

Fuente: arXiv
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Main Authors: Ju, Keyi, Qin, Xiaoqi, Zhong, Hui, Zhang, Xinyue, Pan, Miao, Liu, Baoling
Format: Preprint
Published: 2023
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_version_ 1866929266802819072
author Ju, Keyi
Qin, Xiaoqi
Zhong, Hui
Zhang, Xinyue
Pan, Miao
Liu, Baoling
author_facet Ju, Keyi
Qin, Xiaoqi
Zhong, Hui
Zhang, Xinyue
Pan, Miao
Liu, Baoling
contents Quantum computing revolutionizes the way of solving complex problems and handling vast datasets, which shows great potential to accelerate the machine learning process. However, data leakage in quantum machine learning (QML) may present privacy risks. Although differential privacy (DP), which protects privacy through the injection of artificial noise, is a well-established approach, its application in the QML domain remains under-explored. In this paper, we propose to harness inherent quantum noises to protect data privacy in QML. Especially, considering the Noisy Intermediate-Scale Quantum (NISQ) devices, we leverage the unavoidable shot noise and incoherent noise in quantum computing to preserve the privacy of QML models for binary classification. We mathematically analyze that the gradient of quantum circuit parameters in QML satisfies a Gaussian distribution, and derive the upper and lower bounds on its variance, which can potentially provide the DP guarantee. Through simulations, we show that a target privacy protection level can be achieved by running the quantum circuit a different number of times.
format Preprint
id arxiv_https___arxiv_org_abs_2312_11126
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Harnessing Inherent Noises for Privacy Preservation in Quantum Machine Learning
Ju, Keyi
Qin, Xiaoqi
Zhong, Hui
Zhang, Xinyue
Pan, Miao
Liu, Baoling
Quantum Physics
Cryptography and Security
Machine Learning
Quantum computing revolutionizes the way of solving complex problems and handling vast datasets, which shows great potential to accelerate the machine learning process. However, data leakage in quantum machine learning (QML) may present privacy risks. Although differential privacy (DP), which protects privacy through the injection of artificial noise, is a well-established approach, its application in the QML domain remains under-explored. In this paper, we propose to harness inherent quantum noises to protect data privacy in QML. Especially, considering the Noisy Intermediate-Scale Quantum (NISQ) devices, we leverage the unavoidable shot noise and incoherent noise in quantum computing to preserve the privacy of QML models for binary classification. We mathematically analyze that the gradient of quantum circuit parameters in QML satisfies a Gaussian distribution, and derive the upper and lower bounds on its variance, which can potentially provide the DP guarantee. Through simulations, we show that a target privacy protection level can be achieved by running the quantum circuit a different number of times.
title Harnessing Inherent Noises for Privacy Preservation in Quantum Machine Learning
topic Quantum Physics
Cryptography and Security
Machine Learning
url https://arxiv.org/abs/2312.11126