High capacity lossless data hiding

Authors:
Hyeran Lee;Kyunghyune Rhee
Affiliations:
Department of Computer Science, Pukyong National University, Busan, Republic of Korea;Division of Electronic, Computer and Telecommunication Engineering, Pukyong National University
Venue:
ICISS'06 Proceedings of the Second international conference on Information Systems Security
Year:
2006

Citing 5
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Abstract

Most data embedding techniques proposed so far lead to distortions in the original image. These distortions create problems in some areas such as medical, astronomical, and military imagery. Lossless data hiding is an exact restoration approach for recovering the original image from the stego image. In this paper, we present a lossless data embedding technique with a higher embedding capacity. We propose two lossless data embedding methods; first, a part of the unusable groups U are changed into the usable groups. Secondly, a discrimination function f is modified to improve the embedding capacity. We provide experimental results to demonstrate the effectiveness of our proposed algorithm.