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Smart city article details
| Title | Lightweight Frame Scrambling Mechanisms For End-To-End Privacy In Edge Smart Surveillance |
|---|---|
| ID_Doc | 35262 |
| Authors | Fitwi A.; Chen Y.; Zhu S. |
| Year | 2022 |
| Published | IET Smart Cities, 4, 1 |
| DOI | http://dx.doi.org/10.1049/smc2.12019 |
| Abstract | As smart surveillance has become popular in today's smart cities, millions of closed circuit television cameras are ubiquitously deployed that collect huge amount of visual information. All these raw visual data are often transported over a public network to distant video analytic centres. This increases the risk of interception and the spill of individuals' information into the wider cyberspace that risks privacy breaches. The edge computing paradigm allows the enforcement of privacy protection mechanisms at the point where the video frames are created. Nonetheless, existing cryptographic schemes are computationally unaffordable at the resource-constrained network edge. Based on chaotic methods, three lightweight end-to-end privacy-protection mechanisms are proposed: (1) a novel lightweight Sine-cosine Chaotic Map, which is a robust and efficient solution for enciphering frames at edge cameras; (2) Dynamic Chaotic Image Enciphering scheme that can run in real time at the edge; (3) a lightweight Regions of Interest Masking scheme that ensures the privacy of sensitive attributes like face on video frames. Design rationales are discussed and extensive experimental analyses substantiate the feasibility and security of the proposed schemes. © 2021 The Authors. IET Smart Cities published by John Wiley & Sons Ltd on behalf of The Institution of Engineering and Technology. |
| Author Keywords | information security and privacy; smart cities applications |
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