Adaptive Reversible Data Hiding by Extending the Generalized Integer Transformation
Authors:
- 1 December 2015
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Signal Processing Letters
- Vol. 23 (1) , 130-134
Abstract
This letter proposes a novel reversible data hiding (RDH) method with an adaptive embedding capability by extending the generalized integer transformation (GIT). We modify the GIT algorithm to a further generalized form, and accordingly we propose an adaptive embedding algorithm. When hiding data into the original image, parameters of the extended GIT can be identified according to the content of each block. Along with a multi-level location map, a better embedding efficiency of the net payload can be achieved. On the decoding side, the original image can be losslessly recovered after extracting the hidden message. Experimental results show that the proposed method outperforms state-of-the-art integer-transformation based RDH methods.Keywords
Funding Information
- Shanghai Rising-Star Program (14QA1401900)
- Natural Science Foundation of Fujian Province of China (2014J01242)
- National Natural Science Foundation of China (61302094, 61572308)
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