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Robust data hiding method based on frequency coefficient variance in repetitive compression
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DOI：10.1016/j.jestch.2024.101756.png)
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摘要
En 中文
Sharing accurate and lossless images with higher quality through digital mediums is challenging, particularly, images shared on social media platforms can serve as good carriers for sending hidden data. However, social media platforms apply severe compression when transferring images end-to-end to serve efficient network transporting bandwidth and provide enough storage space to the users. Within the scope of this research, the proposed method introduces a novel approach by combining cryptographic and steganographic techniques, providing a robust solution to protect hidden data even when subjected to repeatedly compression. The method first encrypts the secret data to be hidden using the Advanced Encryption Standard Cipher Block Chaining (AES-CBC) technique. Then, data hiding is performed on the coefficients obtained by applying Discrete Cosine Transform (DCT) to repeatedly compressed JPEG images, coefficients that are minimally affected by compression or remain unaffected are specifically selected for data hiding. Therefore, secret data is extracted with high accuracy. Experimental results show that the proposed method outperforms the state-of-the-art in achieving robust and effective data hiding techniques based on bit error rate.
Keyword:
AES-CBC
Anti-repetitive compression of JPEG images
Digital image steganography
Frequency domain
JPEG compression
Variances of JPEG nonzero AC coefficients
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期刊
E
IF:
5.4
论文数:
1.4K
被引数:
6.3K
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引用论文
Robust image steganography against JPEG compression based on DCT residual modulation.png)
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