A HEVC Video Steganalysis Against DCT/DST-Based Steganography

A HEVC Video Steganalysis Against DCT/DST-Based Steganography

Henan Shi, Tanfeng Sun, Xinghao Jiang, Yi Dong, Ke Xu
Copyright: © 2021 |Pages: 15
DOI: 10.4018/IJDCF.20210501.oa2
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Abstract

The development of video steganography has put forward a higher demand for video steganalysis. This paper presents a novel steganalysis against discrete cosine/sine transform (DCT/DST)-based steganography for high efficiency video coding (HEVC) videos. The new steganalysis employs special frames extraction (SFE) and accordion unfolding (AU) transformation to target the latest DCT/DST domain HEVC video steganography algorithms by merging temporal and spatial correlation. In this article, the distortion process of DCT/DST-based HEVC steganography is firstly analyzed. Then, based on the analysis, two kinds of distortion, the intra-frame distortion and the inter-frame distortion, are mainly caused by DCT/DST-based steganography. Finally, to effectively detect these distortions, an innovative method of HEVC steganalysis is proposed, which gives a combination feature of SFE and a temporal to spatial transformation, AU. The experiment results show that the proposed steganalysis performs better than other methods.
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Steganalysis techniques are developed to cope with the abuse of steganography. Nowadays, with the application of advanced video compression and network technology, the object of video has become one of the most popular online media, and it also has been one of the most suitable carriers for information hiding. Hence here are some introductions to related video steganography and steganalysis techniques.

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