An adaptive steganography method for compressed videos with HEVC standard

Document Type : Original Article

Authors

1 Department of Computer Engineering, Qom Branch, Islamic Azad University, Qom, Iran

2 Department of Computer Engineering, Mobarakeh Branch, Islamic Azad University, Mobarakeh, Isfahan, Iran.

3 Department of Computer Engineering, Dolatabad Branch, Islamic Azad University, Isfahan, Iran.

Abstract

Among others, steganography of  video data is an important research topic in data encryption technologies, which is considered as an essential tool; this is because not only the security required for the transmission of hidden messages is becoming increasingly difficult, but also such security in video files has a high important. This research is based on the HEVC standard, which is the latest video compression standard to date. This paper presents a new method for steganography of compressed videos with the HEVC standard. In the proposed method, the motion vectors of the prediction blocks inside the frame are used as carriers of hidden information. A set of randomly selected coding block motion vectors is used and embedding of information is done by increasing or decreasing one unit of the motion vector component. The experimental results showed that after embedding the hidden information, the video quality decreased low but the average of the embedding capacity increased.

Keywords

References

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History

  • Receive Date: 27 September 2020
  • Revise Date: 04 June 2021
  • Accept Date: 07 September 2021

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