Reversible data hiding scheme can completely recover the original cover image after the embedded secret data have been correctly extracted, which has become a hot topic of data hiding. However, the embedding capacities of these existing reversible data hiding schemes are usually rather limited. In this paper, an improved reversible data hiding scheme based on image interpolation technique is proposed, which can embed a large amount of secret bits into a cover image. The experimental results show that the proposed scheme can obtain better performance in terms of embedding capacity and image quality compared with other similar schemes based on image interpolation.
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