A Video Steganography Method based on Transform Block Decision for H.265/HEVC

Zhao, Hongguo and Liu, Yunxia and Wang, Yonghao and Liu, Si (2021) A Video Steganography Method based on Transform Block Decision for H.265/HEVC. IEEE Access, 9. pp. 55506-55521. ISSN 2169-3536

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High definition video application has drawn a lot of interest both from academy and industry. The relevant latest video coding technology, H.265/HEVC has been a promising area for video steganography. In this paper, we present a novel and efficient video steganography method based on transform block decision for H.265. In order to improve the visual quality of carrier video, we analyze the embedding error of data hiding with modifying partitioning parameters of CB, PB and TB, and modify the transform block decision to embed secret message and update corresponding residuals synchronously. In order to limit embedding error, we utilize an efficient embedding mapping rule which can embed N (N>1) bits message and at most modify one bit transform partitioning flag. Our experimental results show that the proposed method can achieve better visual quality, larger embedding capacity and less bit-rate increase than state-of-the-art researches.

Item Type: Article
Identification Number: https://doi.org/10.1109/ACCESS.2021.3059654
8 February 2021Accepted
16 February 2021Published Online
Uncontrolled Keywords: Encoding, Transforms, Video recording, Quality assessment, Syntactics, Lead, Video coding
Subjects: CAH11 - computing > CAH11-01 - computing > CAH11-01-01 - computer science
Divisions: Faculty of Computing, Engineering and the Built Environment > School of Computing and Digital Technology
Depositing User: Yonghao Wang
Date Deposited: 01 Dec 2022 14:46
Last Modified: 22 Mar 2023 12:00
URI: https://www.open-access.bcu.ac.uk/id/eprint/12985

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