An Intra-Prediction Mode-Based Video Steganography With Secure Strategy

An Intra-Prediction Mode-Based Video Steganography With Secure Strategy

Xiushi Cao, Tanfeng Sun, Xinghao Jiang, Yi Dong, Ke Xu
Copyright: © 2021 |Pages: 15
DOI: 10.4018/IJDCF.20210701.oa1
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Abstract

In this paper, an intra-prediction mode (IPM)-based video steganography with secure strategy was proposed for H.264 video stream. First of all, according to the property of IPM conversion after calibration, a content-adaptive selection strategy was adopted to measure candidate carrier macroblock. Then, a more efficient encoding strategy based on grouped IPM was applied to encode secret message. This encoding strategy aimed to further enhance the security performance by exploiting the deviation feature of calibrated IPM. Finally, syndrome-trellis code was used as the embedding implementation to minimize distortion. Experimental results demonstrate that this article proposed algorithm presents a novel security performance with any existing IPM-based video steganography.
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2. Preliminaries

In this section, H.264 Intra Prediction is first presented. Then, the previous work of Intra Prediction Mode Steganography is briefly introduced.

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