基于差分隐私保护的服务机器人视觉图像发布算法

doi:10.3969/j.issn.0255-8297.2023.04.012

应用科学学报 ›› 2023, Vol. 41 ›› Issue (4): 682-691.doi: 10.3969/j.issn.0255-8297.2023.04.012

基于差分隐私保护的服务机器人视觉图像发布算法

焦合军¹, 周万春¹, 施进发², 刘晟源¹

1. 郑州工程技术学院机电与车辆工程学院, 河南郑州 450044;
2. 华北水利水电大学机械学院, 河南郑州 450046

收稿日期:2021-09-20 发布日期:2023-08-02
通信作者: 施进发,博士,教授,研究方向为制造业信息化。E-mail:35591923@qq.com E-mail:35591923@qq.com
基金资助:
国家自然科学基金（No. 71371172）；河南省高等学校重点科研项目（No. 21B460015）；郑州工程技术学院博士基金项目资助

Image Publication Algorithm of Service Robot Based on Differential Privacy Protection

JIAO Hejun¹, ZHOU Wanchun¹, SHI Jinfa², LIU Shengyuan¹

1. School of Mechatronics and Vehicle Engineering, Zhengzhou University of Technology, Zhengzhou 450044, Henan, China;
2. School of Mechanics, North China University of Water Resources and Electric Power, Zhengzhou 450046, Henan, China

Received:2021-09-20 Published:2023-08-02

摘要/Abstract

摘要： 为保护服务机器人视觉图像中的敏感个人信息，提出了一种基于离散余弦变换与差分隐私技术相结合的服务机器人图像发布算法。首先，利用离散余弦变换压缩图像，为均衡相关噪声误差和重构误差，引入一种基于随机梯度下降算法的系数选择方法，从而在相应的系数空间中选择出合适的系数来压缩图像；其次，对系数空间添加拉普拉斯噪声来满足ε-差分隐私需求；再次，基于4种真实的室内图像数据集采用小波包变换和最小二乘支持向量机分类技术从算法的查准率等指标上衡量算法。实验结果表明，所提出的图像发布算法有较好的鲁棒性。

关键词: 服务机器人, 图像处理, 隐私保护, 差分隐私, 离散余弦变换

Abstract: To protect the sensitive personal information in service robots, this paper proposes an image publishing algorithm for service robots based on the combination of discrete cosine transform and differential privacy. Firstly, the image is compressed by discrete cosine transform. In order to balance the correlation noise error and reconstruction error, a coefficient selection method based on random gradient descent algorithm is introduced. Then, appropriate coefficients are selected in the corresponding coefficient space to compress the image, and Laplace noise is added to the coefficient space. Finally, based on four real indoor image data sets, wavelet packet transform and least squares support vector machine classification techniques are used to measure the accuracy of the algorithm. The experimental results demonstrate the robustness of the proposed algorithm.

Key words: service robot, image processing, privacy protection, differential privacy, discrete cosine transform

中图分类号:

TP242

焦合军, 周万春, 施进发, 刘晟源. 基于差分隐私保护的服务机器人视觉图像发布算法[J]. 应用科学学报, 2023, 41(4): 682-691.

JIAO Hejun, ZHOU Wanchun, SHI Jinfa, LIU Shengyuan. Image Publication Algorithm of Service Robot Based on Differential Privacy Protection[J]. Journal of Applied Sciences, 2023, 41(4): 682-691.

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基于差分隐私保护的服务机器人视觉图像发布算法

Image Publication Algorithm of Service Robot Based on Differential Privacy Protection

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