A Privacy-Preserving Learning Framework for Face Recognition in Edge and Cloud Networks

Offloading the computationally intensive workloads to the edge and cloud not only improves the quality of computation, but also creates an extra degree of diversity by collecting information from devices in service. Nevertheless, significant concerns on privacy are raised as the aggregated informati...

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Main Authors: Yitu Wang, Takayuki Nakachi
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9146141/
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author Yitu Wang
Takayuki Nakachi
author_facet Yitu Wang
Takayuki Nakachi
author_sort Yitu Wang
collection DOAJ
description Offloading the computationally intensive workloads to the edge and cloud not only improves the quality of computation, but also creates an extra degree of diversity by collecting information from devices in service. Nevertheless, significant concerns on privacy are raised as the aggregated information could be misused without the permission by the third party. Sparse coding, which has been successful in computer vision, is finding application in this new domain. In this paper, we develop a secured face recognition framework to orchestrate sparse coding in edge and cloud networks. Specifically, 1). To protect the privacy, a low-complexity encrypting algorithm is developed based on random unitary transform, where its influence on dictionary learning and sparse representation is analysed. Furthermore, it is proved that such influence will not affect the accuracy of face recognition. 2). To fully utilize the multi-device diversity and avoid big data transmission between edge and cloud, a distributed learning framework is established, which extracts deeper features in an intermediate space, expanded according to the dictionaries from each device. Classification is performed in this new feature space to combat the noise and modeling error. Finally, the efficiency and effectiveness of the proposed framework is demonstrated through simulation results.
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spelling doaj.art-7b1bfc6c49c74d4f9a8c7bd891832d582022-12-21T20:30:38ZengIEEEIEEE Access2169-35362020-01-01813605613607010.1109/ACCESS.2020.30111129146141A Privacy-Preserving Learning Framework for Face Recognition in Edge and Cloud NetworksYitu Wang0https://orcid.org/0000-0003-4453-5966Takayuki Nakachi1https://orcid.org/0000-0002-7970-454XNTT Network Innovation Laboratory, NTT Corporation, Yokosuka, JapanNTT Network Innovation Laboratory, NTT Corporation, Yokosuka, JapanOffloading the computationally intensive workloads to the edge and cloud not only improves the quality of computation, but also creates an extra degree of diversity by collecting information from devices in service. Nevertheless, significant concerns on privacy are raised as the aggregated information could be misused without the permission by the third party. Sparse coding, which has been successful in computer vision, is finding application in this new domain. In this paper, we develop a secured face recognition framework to orchestrate sparse coding in edge and cloud networks. Specifically, 1). To protect the privacy, a low-complexity encrypting algorithm is developed based on random unitary transform, where its influence on dictionary learning and sparse representation is analysed. Furthermore, it is proved that such influence will not affect the accuracy of face recognition. 2). To fully utilize the multi-device diversity and avoid big data transmission between edge and cloud, a distributed learning framework is established, which extracts deeper features in an intermediate space, expanded according to the dictionaries from each device. Classification is performed in this new feature space to combat the noise and modeling error. Finally, the efficiency and effectiveness of the proposed framework is demonstrated through simulation results.https://ieeexplore.ieee.org/document/9146141/Information securityedge and cloud networksface recognitionsparse representation
spellingShingle Yitu Wang
Takayuki Nakachi
A Privacy-Preserving Learning Framework for Face Recognition in Edge and Cloud Networks
IEEE Access
Information security
edge and cloud networks
face recognition
sparse representation
title A Privacy-Preserving Learning Framework for Face Recognition in Edge and Cloud Networks
title_full A Privacy-Preserving Learning Framework for Face Recognition in Edge and Cloud Networks
title_fullStr A Privacy-Preserving Learning Framework for Face Recognition in Edge and Cloud Networks
title_full_unstemmed A Privacy-Preserving Learning Framework for Face Recognition in Edge and Cloud Networks
title_short A Privacy-Preserving Learning Framework for Face Recognition in Edge and Cloud Networks
title_sort privacy preserving learning framework for face recognition in edge and cloud networks
topic Information security
edge and cloud networks
face recognition
sparse representation
url https://ieeexplore.ieee.org/document/9146141/
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