DocumentCode :
55124
Title :
Reversible Watermarking Based on Invariant Image Classification and Dynamic Histogram Shifting
Author :
Coatrieux, G. ; Wei Pan ; Cuppens-Boulahia, Nora ; Cuppens, Frederic ; Roux, C.
Author_Institution :
Inst. Telecom, Telecom Bretagne, Brest, France
Volume :
8
Issue :
1
fYear :
2013
fDate :
Jan. 2013
Firstpage :
111
Lastpage :
120
Abstract :
In this paper, we propose a new reversible watermarking scheme. One first contribution is a histogram shifting modulation which adaptively takes care of the local specificities of the image content. By applying it to the image prediction-errors and by considering their immediate neighborhood, the scheme we propose inserts data in textured areas where other methods fail to do so. Furthermore, our scheme makes use of a classification process for identifying parts of the image that can be watermarked with the most suited reversible modulation. This classification is based on a reference image derived from the image itself, a prediction of it, which has the property of being invariant to the watermark insertion. In that way, the watermark embedder and extractor remain synchronized for message extraction and image reconstruction. The experiments conducted so far, on some natural images and on medical images from different modalities, show that for capacities smaller than 0.4 bpp, our method can insert more data with lower distortion than any existing schemes. For the same capacity, we achieve a peak signal-to-noise ratio (PSNR) of about 1-2 dB greater than with the scheme of Hwang , the most efficient approach actually.
Keywords :
feature extraction; image classification; image reconstruction; image texture; image watermarking; statistical analysis; Hwang scheme; classification process; dynamic histogram shifting; histogram shifting modulation; image content specificity; image modality; image part identification; image prediction-error; image reconstruction; inserts data; invariant image classification; medical image; message extraction; natural image; peak signal-to-noise ratio; reference image; reversible watermarking scheme; watermark embedder; watermark extractor; watermark insertion; Biomedical imaging; Histograms; Modulation; Nickel; Synchronization; Telecommunications; Watermarking; Medical image; reversible/lossless watermarking; signal classification;
fLanguage :
English
Journal_Title :
Information Forensics and Security, IEEE Transactions on
Publisher :
ieee
ISSN :
1556-6013
Type :
jour
DOI :
10.1109/TIFS.2012.2224108
Filename :
6329433
Link To Document :
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