New high-performance reversible data hiding method for VQ indices based on improved locally adaptive coding scheme.

Xiaoxiao Ma,Zhibin Pan,Sen Hu,Lingfei Wang

Journal of Visual Communication and Image Representation（2015）

引用 6|浏览34

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摘要

•We propose a new data hiding method using improved locally adaptive coding (ILAS).•ILAS uses the two-dimensional structure of image and correlation of adjacent indices.•Our proposed ILAS can significantly improve the performance of LAS.•Experiments show our method has a better performance compared with other methods.

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关键词

Data hiding,Reversible data hiding,Vector quantization (VQ),Locally adaptive coding scheme,Improved locally adaptive coding scheme (ILAS),Codebook sorting,Index correlation,Region complexity

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