AN ALGORITHM FOR REVERSIBLE DATA HIDING IN H.264/AVC

Dinh-Chien Nguyen; Minh Chuan Pham; Thi Phuong Tran; Khanh Trinh Nguyen

Dinh-Chien Nguyen Hung Yen University of Technology and Education
Minh Chuan Pham Hung Yen University of Technology and Education
Thi Phuong Tran Hung Yen University of Technology and Education
Khanh Trinh Nguyen Hung Yen University of Technology and Education;

Keywords: Reversible data hiding, DCT, H.264/AVC, embedding capacity, distortion drift, histogram shifting

Abstract

Reversible data hiding is a technique for embedding secret data in a host, such as image, database, audio, and video, but it can recover the original host. By the histogram shifting technique, in this paper, a reversible data hiding in H.264/AVC is proposed with a purpose that the embedding capacity can achieve as higher as possible, simultaneously, the video can recover to the original better possible. This study can also prevent distortion drift. The experimental results show that the proposed algorithm can approximately recover to the original video. By comparing with the other studies, the proposed study further improves the embedding capacity, and can recover to the original video. A disadvantage of the algorithm is that it cannot correct the error bits for network attacks. So, in the future, we will use BCH code technique for robustness of data hiding with the proposed algorithm.

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