The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
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The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
Un algorithme de filigrane réversible de grande capacité a été développé en appliquant le développement différentiel d'une transformation entière généralisée. Dans cet algorithme, un signal de filigrane est inséré dans le LSB des valeurs de différence entre les pixels. Dans cet article, nous appliquons les erreurs de prédiction calculées par un prédicteur en JPEG-LS pour l'intégration de filigrane, ce qui contribue à augmenter la quantité d'informations intégrées avec moins de dégradation. Comme l'un des inconvénients découverts dans le procédé conventionnel ci-dessus est la grande taille de la carte de localisation intégrée introduite pour la rendre réversible, nous réduisons la grande taille de la carte de localisation par vectorisation, puis modifions la composition de la carte en utilisant les caractéristiques locales. . Nous excluons également les positions telles que la modification de l'opération d'intégration ne peut pas augmenter la capacité mais simplement dégrader la qualité de l'image, ce qui peut être applicable aux méthodes conventionnelles.
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Minoru KURIBAYASHI, Masakatu MORII, Hatsukazu TANAKA, "Reversible Watermark with Large Capacity Based on the Prediction Error Expansion" in IEICE TRANSACTIONS on Fundamentals,
vol. E91-A, no. 7, pp. 1780-1790, July 2008, doi: 10.1093/ietfec/e91-a.7.1780.
Abstract: A reversible watermark algorithm with large capacity has been developed by applying the difference expansion of a generalized integer transform. In this algorithm, a watermark signal is inserted in the LSB of the difference values among pixels. In this paper, we apply the prediction errors calculated by a predictor in JPEG-LS for embedding watermark, which contributes to increase the amount of embedded information with less degradation. As one of the drawbacks discovered in the above conventional method is the large size of the embedded location map introduced to make it reversible, we decrease the large size of the location map by vectorization, and then modify the composition of the map using the local characteristics. We also exclude the positions such that the modification in the embedding operation cannot increase the capacity but merely degrade the image quality, which can be applicable to the conventional methods.
URL: https://global.ieice.org/en_transactions/fundamentals/10.1093/ietfec/e91-a.7.1780/_p
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@ARTICLE{e91-a_7_1780,
author={Minoru KURIBAYASHI, Masakatu MORII, Hatsukazu TANAKA, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={Reversible Watermark with Large Capacity Based on the Prediction Error Expansion},
year={2008},
volume={E91-A},
number={7},
pages={1780-1790},
abstract={A reversible watermark algorithm with large capacity has been developed by applying the difference expansion of a generalized integer transform. In this algorithm, a watermark signal is inserted in the LSB of the difference values among pixels. In this paper, we apply the prediction errors calculated by a predictor in JPEG-LS for embedding watermark, which contributes to increase the amount of embedded information with less degradation. As one of the drawbacks discovered in the above conventional method is the large size of the embedded location map introduced to make it reversible, we decrease the large size of the location map by vectorization, and then modify the composition of the map using the local characteristics. We also exclude the positions such that the modification in the embedding operation cannot increase the capacity but merely degrade the image quality, which can be applicable to the conventional methods.},
keywords={},
doi={10.1093/ietfec/e91-a.7.1780},
ISSN={1745-1337},
month={July},}
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TY - JOUR
TI - Reversible Watermark with Large Capacity Based on the Prediction Error Expansion
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 1780
EP - 1790
AU - Minoru KURIBAYASHI
AU - Masakatu MORII
AU - Hatsukazu TANAKA
PY - 2008
DO - 10.1093/ietfec/e91-a.7.1780
JO - IEICE TRANSACTIONS on Fundamentals
SN - 1745-1337
VL - E91-A
IS - 7
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - July 2008
AB - A reversible watermark algorithm with large capacity has been developed by applying the difference expansion of a generalized integer transform. In this algorithm, a watermark signal is inserted in the LSB of the difference values among pixels. In this paper, we apply the prediction errors calculated by a predictor in JPEG-LS for embedding watermark, which contributes to increase the amount of embedded information with less degradation. As one of the drawbacks discovered in the above conventional method is the large size of the embedded location map introduced to make it reversible, we decrease the large size of the location map by vectorization, and then modify the composition of the map using the local characteristics. We also exclude the positions such that the modification in the embedding operation cannot increase the capacity but merely degrade the image quality, which can be applicable to the conventional methods.
ER -