Privacy-assured outsourcing of image reconstruction service in cloud

Cong Wang, Bingsheng Zhang, Kui Ren, Meiling Wang

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

Large-scale image data sets are being exponentially generated today. Along with such data explosion is the fast-growing trend to outsource the image management systems to the cloud for its abundant computing resources and benefits. How to protect the sensitive data while enabling outsourced image services, however, becomes a major concern. To address these challenges, we propose outsourced image recovery service (OIRS), a novel outsourced image recovery service architecture, which exploits different domain technologies and takes security, efficiency, and design complexity into consideration from the very beginning of the service flow. Specifically, we choose to design OIRS under the compressed sensing framework, which is known for its simplicity of unifying the traditional sampling and compression for image acquisition. Data owners only need to outsource compressed image samples to cloud for reduced storage overhead. In addition, in OIRS, data users can harness the cloud to securely reconstruct images without revealing information from either the compressed image samples or the underlying image content. We start with the OIRS design for sparse data, which is the typical application scenario for compressed sensing, and then show its natural extension to the general data for meaningful tradeoffs between efficiency and accuracy. We thoroughly analyze the privacy-protection of OIRS and conduct extensive experiments to demonstrate the system effectiveness and efficiency. For completeness, we also discuss the expected performance speedup of OIRS through hardware built-in system design.

Original languageEnglish (US)
Article number6562794
Pages (from-to)166-177
Number of pages12
JournalIEEE Transactions on Emerging Topics in Computing
Volume1
Issue number1
DOIs
StatePublished - Jun 1 2013

Fingerprint

Outsourcing
Image reconstruction
Recovery
Compressed sensing
Image acquisition
Explosions
Systems analysis
Sampling
Hardware

Keywords

  • Cloud computing
  • Compressed sensing
  • Image reconstruction
  • Security and privacy

ASJC Scopus subject areas

  • Computer Science (miscellaneous)
  • Computer Science Applications
  • Human-Computer Interaction
  • Information Systems

Cite this

Privacy-assured outsourcing of image reconstruction service in cloud. / Wang, Cong; Zhang, Bingsheng; Ren, Kui; Wang, Meiling.

In: IEEE Transactions on Emerging Topics in Computing, Vol. 1, No. 1, 6562794, 01.06.2013, p. 166-177.

Research output: Contribution to journalArticle

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