4.7 Article

Enabling Simultaneous Content Regulation and Privacy Protection for Cloud Storage Image

期刊

IEEE TRANSACTIONS ON CLOUD COMPUTING
卷 11, 期 1, 页码 111-127

出版社

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCC.2021.3081564

关键词

Cloud computing; Regulation; Image recognition; Data privacy; Servers; Sensors; Privacy; Privacy protection; cloud computing; compressive sensing; content regulation

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The popularization of cloud computing greatly facilitates the sharing of explosively generated images. However, the privacy protection mechanism commonly used in cloud service makes it difficult to detect and control the spreading of illegal and harmful data. To address this issue, a cloud service framework is proposed that provides privacy protection and content regulation for cloud storage images. A secure multi-party computation protocol is designed to protect data privacy through random projection, enabling content matching while respecting data privacy.
The population of cloud computing greatly facilitates the sharing of explosively generated image today. While benefiting from the convenient of cloud, the privacy protection mechanism that commonly applied in cloud service makes the spreading of illegal and harmful data very hard to be detected or controlled. Such a realistic threat should be seriously treated, yet is largely overlooked in the literature. To address this issue, we propose the first cloud service framework that can simultaneously provide privacy protection and content regulation for the cloud storage image. In specific, we design a secure multi-party computation (MPC) protocol to protect the data privacy via random projection. By leveraging the distance preserving properties residing in random projection, we propose a privacy-preserving principal component analysis (PCA)-based recognition approach over the random projection domain to achieve content matching while respecting the data privacy. To facilitate the efficiency, we implement our system under the compressive sensing (CS) framework. Due to the compression effect of CS, the proposed cloud service can achieve remarkable reduction on the computation and communication complexity of the content matching process. Theoretical analysis and experimental results both show that our system can achieve privacy assurance and acceptable recognition performance, while with high efficiency.

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