The week's pick
Reseach Article
A Modified High Capacity Video Steganography Technique Based On Spatial Domain Method, Asymmetric Cryptography and Huffman Code Algorithms
| Communications on Applied Electronics |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 5 - Number 10 |
| Year of Publication: 2016 |
| Authors: Richard Apau, J. B. Hayfron-Acquah, Frimpong Twum |
10.5120/cae2016652390
|
Richard Apau, J. B. Hayfron-Acquah, Frimpong Twum . A Modified High Capacity Video Steganography Technique Based On Spatial Domain Method, Asymmetric Cryptography and Huffman Code Algorithms. Communications on Applied Electronics. 5, 10 ( Sep 2016), 53-60. DOI=10.5120/cae2016652390
Abstract
The Technology as a product of knowledge has vulnerabilities so that its development is continuously undertaken. Researching steganography and cryptography relates to the perception of secrecy and privacy. Based on this perception some basic requirements of steganographic applications are often ignored. Beyond security, steganographic applications are required to provide high payload or embedding capacity as well as very good and appreciable level of robustness. Emphasis has always been placed on security to the point that capacity is often not mention or ignored. Most steganographic applications or software currently in the market increase the size of the resultant file after embedding. Conceptually, the resultant file size is supposed to increase when using an embedding technique. This is effectively so, because noise is being added to the low bits which will always increase the size. The main aim of this research is to ensure same file size output after embedding and also reduce the file size to be embedded drastically. To obtain same file size, the cover video was re-encoded and reconstructed using the techniques of video encoding. The file was then embedded in a converted frame using LSB. The high capacity or payload was achieved by employing RSA and Huffman code compression algorithms. The results and analysis of the proposed system revealed that when a file is embedded in a cover video, the properties of the original video and the stego video are the same and the level of compression achieved is far above the average 20% normally obtained
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