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篇名 |
Compression-friendly Image Encryption Algorithm Based on Order Relation
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並列篇名 | Compression-friendly Image Encryption Algorithm Based on Order Relation |
作者 | Ganzorig Gankhuyag、Yoonsik Choe |
英文摘要 | In this paper, we introduce an image encryption algorithm that can be used in combination with compression algorithms. Existing encryption algorithms focus on either encryption strength or speed without compression, whereas the proposed algorithm improves compression efficiency while ensuring security. Our encryption algorithm decomposes images into pixel values and pixel intensity subsets, and computes the order of permutations. An encrypted image becomes unpredictable after permutation. Order permutation reduces the discontinuity between signals in an image, increasing compression efficiency. The experimental results show that the security strength of the proposed algorithm is similar to that of existing algorithms. Additionally, we tested the algorithm on the JPEG and the JPEG2000 with variable compression ratios. Compared to existing methods applied without encryption, the proposed algorithm significantly increases PSNR and SSIM values. |
起訖頁 | 1013-1024 |
關鍵詞 | Image encryption、Order relation、Compression-friendly encryption、Order permutation、Image scrambling |
刊名 | 網際網路技術學刊 |
期數 | 202007 (21:4期) |
出版單位 | 台灣學術網路管理委員會 |
DOI |
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