Colour Image Steganography Using SHA-512 and Lossless Compression
This paper introduces a colour image steganography that enhances the existing LSB substitution techniques, improve the security level of hidden information and increase embedding capacity of hidden-data. Lossless image compression technique will be utilized to compress secret information and Hash-fu...
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| Main Authors: | , , |
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| 格式: | Article |
| 語言: | English |
| 出版: |
CESER Publications
2018
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| 主題: | |
| 在線閱讀: | http://umpir.ump.edu.my/id/eprint/24043/1/Colour%20Image%20Steganography%20Using%20SHA-512%20and%20Lossless%20Compression1.pdf http://umpir.ump.edu.my/id/eprint/24043/ http://www.ceser.in/ceserp/index.php/iji/article/view/5405 |
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| 總結: | This paper introduces a colour image steganography that enhances the existing LSB substitution techniques, improve the security level of hidden information and increase embedding capacity of hidden-data. Lossless image compression technique will be utilized to compress secret information and Hash-function is used to hash the hidden information. Hash-function will be executed in the stego-image and its values will be stored in the host-image for further checking during extraction process. The proposed method demonstrates significantly improvement in terms of information security, embedding capacity and quality. |
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