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An efficient chaos-based image encryption algorithm using real-time object detection for smart city applications
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DOI：10.1016/j.seta.2022.102566.png)
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摘要
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Currently, an increasing number of digital images are being generated by and for the general public and professionals. Simultaneously, the protection of these images is crucial for various emerging applications. Encryption is a popular technique for protecting image data confidentiality and privacy. There are multiple existing studies on image encryption, however, most of them are computationally overhead and do not achieve high security. Considering that time cost and security have become the most important factors, designing an efficient encryption algorithm for digital images are necessary. In this paper, a secure chaos-based image encryption algorithm for smart city applications is proposed. First, the You Only Look Once v3 object detection algorithm is used to quickly identify the objects of an image. Second, initialisation and generation of a key is performed with confusion and diffusion operations to get an encrypted object image. This algorithm for encryption has the advantage of strong security performance combined with speed, which is not available in the general encryption system. Experimental results show that this proposed algorithm outperforms other state-of-the-art schemes.
Keyword:
Digital images
Encryption
YOLO
Object detection
Security
Time cost
期刊
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7
论文数:
4.7K
被引数:
2.2W
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