Three stages prediction-error expansion reversible watermarking. Nedelcu, T., Iordache, R., & Coltuc, D. In 2014 22nd European Signal Processing Conference (EUSIPCO), pages 2455-2459, Sep., 2014.
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Paper abstract bibtex
Paper abstract bibtex This paper proposes a three-stages difference expansion reversible watermarking scheme. In the first stage, a quarter of the pixels are estimated by using the median of the eight original neighbors of the 3×3 window. In the second stage, a quarter of the pixels are estimated as the average on the rhombus of the four horizontal and vertical original pixels. Finally, the remaining pixels are estimated on the rhombus context, using the modified pixels computed in the two previous stages. The experimental results show that the proposed scheme can provide slightly improved results than the classical two-stages reversible watermarking based on the rhombus context.
@InProceedings{6952891,
author = {T. Nedelcu and R. Iordache and D. Coltuc},
booktitle = {2014 22nd European Signal Processing Conference (EUSIPCO)},
title = {Three stages prediction-error expansion reversible watermarking},
year = {2014},
pages = {2455-2459},
abstract = {This paper proposes a three-stages difference expansion reversible watermarking scheme. In the first stage, a quarter of the pixels are estimated by using the median of the eight original neighbors of the 3×3 window. In the second stage, a quarter of the pixels are estimated as the average on the rhombus of the four horizontal and vertical original pixels. Finally, the remaining pixels are estimated on the rhombus context, using the modified pixels computed in the two previous stages. The experimental results show that the proposed scheme can provide slightly improved results than the classical two-stages reversible watermarking based on the rhombus context.},
keywords = {image watermarking;three stage prediction-error expansion reversible watermarking;three-stage difference expansion reversible watermarking scheme;image reversible watermarking;Watermarking;Context;Estimation;Equations;Educational institutions;Image edge detection;Europe;reversible watermarking;prediction-error expansion;three-stages embedding},
issn = {2076-1465},
month = {Sep.},
url = {https://www.eurasip.org/proceedings/eusipco/eusipco2014/html/papers/1569924977.pdf},
}Downloads: 0
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