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- W4383753103 abstract "Internet technologies make multimedia data communication easy and affordable; meanwhile, securing the secret and private information over the open network also becomes a major threat and challenge. Steganography and encryption are two approaches for securing secret information. Encryption converts the secret data into a scribbled form whereas steganography is a data embedding approach to secure the secret information. In this study, a 2D discrete cosine transform (DCT)-based image steganography-then-encryption hybrid method using chaotic map for hiding secret bits chaotically in least significant bits (n-LSBs) has been proposed. The proposed image steganography-then-encryption approach outperforms the existing techniques in terms of security, mean square error (MSE) and peak signal-to-noise ratio (PSNR). The key space of more than 10168 and correlation coefficient (>0.9) of cover with stego and with encrypted-stego image at different levels for different images make the proposed algorithm resistant to brute force attack." @default.
- W4383753103 created "2023-07-11" @default.
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- W4383753103 date "2023-01-01" @default.
- W4383753103 modified "2023-09-27" @default.
- W4383753103 title "Chaotic Maps and DCT-based Image Steganography-cum-encryption Hybrid Approach" @default.
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- W4383753103 doi "https://doi.org/10.1007/978-981-99-2322-9_14" @default.
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