A Reliable Image Watermarking Scheme Based on Redistributed Image Normalization and SVD
Digital image watermarking is the process of concealing secret information in a digital image for protecting its rightful ownership. Most of the existing block based singular value decomposition (SVD) digital watermarking schemes are not robust to geometric distortions, such as rotation in an intege...
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| Format: | Article |
| Language: | English |
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Wiley
2016-01-01
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| Series: | Discrete Dynamics in Nature and Society |
| Online Access: | http://dx.doi.org/10.1155/2016/3263587 |
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| author | Musrrat Ali Chang Wook Ahn Millie Pant Patrick Siarry |
| author_facet | Musrrat Ali Chang Wook Ahn Millie Pant Patrick Siarry |
| author_sort | Musrrat Ali |
| collection | DOAJ |
| description | Digital image watermarking is the process of concealing secret information in a digital image for protecting its rightful ownership. Most of the existing block based singular value decomposition (SVD) digital watermarking schemes are not robust to geometric distortions, such as rotation in an integer multiple of ninety degree and image flipping, which change the locations of the pixels but don’t make any changes to the pixel’s intensity of the image. Also, the schemes have used a constant scaling factor to give the same weightage to the coefficients of different magnitudes that results in visible distortion in some regions of the watermarked image. Therefore, to overcome the problems mentioned here, this paper proposes a novel image watermarking scheme by incorporating the concepts of redistributed image normalization and variable scaling factor depending on the coefficient’s magnitude to be embedded. Furthermore, to enhance the security and robustness the watermark is shuffled by using the piecewise linear chaotic map before the embedding. To investigate the robustness of the scheme several attacks are applied to seriously distort the watermarked image. Empirical analysis of the results has demonstrated the efficiency of the proposed scheme. |
| format | Article |
| id | doaj-art-0bfbcc5eca3b4fbd87e99ad93c76f2a7 |
| institution | OA Journals |
| issn | 1026-0226 1607-887X |
| language | English |
| publishDate | 2016-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Discrete Dynamics in Nature and Society |
| spelling | doaj-art-0bfbcc5eca3b4fbd87e99ad93c76f2a72025-08-20T02:02:55ZengWileyDiscrete Dynamics in Nature and Society1026-02261607-887X2016-01-01201610.1155/2016/32635873263587A Reliable Image Watermarking Scheme Based on Redistributed Image Normalization and SVDMusrrat Ali0Chang Wook Ahn1Millie Pant2Patrick Siarry3Department of Natural and Applied Science, Glocal University, Saharanpur-247122, IndiaDepartment of Computer Engineering, Sungkyunkwan University, Suwon-440746, Republic of KoreaDepartment of Applied Science and Engineering, IIT Roorkee-247667, IndiaLaboratoire Images, Signaux et Systèmes Intelligents (LiSSi, EA 3956), Université Paris-Est Créteil Val de Marne, 61 avenue du Général de Gaulle, 94010 Créteil, FranceDigital image watermarking is the process of concealing secret information in a digital image for protecting its rightful ownership. Most of the existing block based singular value decomposition (SVD) digital watermarking schemes are not robust to geometric distortions, such as rotation in an integer multiple of ninety degree and image flipping, which change the locations of the pixels but don’t make any changes to the pixel’s intensity of the image. Also, the schemes have used a constant scaling factor to give the same weightage to the coefficients of different magnitudes that results in visible distortion in some regions of the watermarked image. Therefore, to overcome the problems mentioned here, this paper proposes a novel image watermarking scheme by incorporating the concepts of redistributed image normalization and variable scaling factor depending on the coefficient’s magnitude to be embedded. Furthermore, to enhance the security and robustness the watermark is shuffled by using the piecewise linear chaotic map before the embedding. To investigate the robustness of the scheme several attacks are applied to seriously distort the watermarked image. Empirical analysis of the results has demonstrated the efficiency of the proposed scheme.http://dx.doi.org/10.1155/2016/3263587 |
| spellingShingle | Musrrat Ali Chang Wook Ahn Millie Pant Patrick Siarry A Reliable Image Watermarking Scheme Based on Redistributed Image Normalization and SVD Discrete Dynamics in Nature and Society |
| title | A Reliable Image Watermarking Scheme Based on Redistributed Image Normalization and SVD |
| title_full | A Reliable Image Watermarking Scheme Based on Redistributed Image Normalization and SVD |
| title_fullStr | A Reliable Image Watermarking Scheme Based on Redistributed Image Normalization and SVD |
| title_full_unstemmed | A Reliable Image Watermarking Scheme Based on Redistributed Image Normalization and SVD |
| title_short | A Reliable Image Watermarking Scheme Based on Redistributed Image Normalization and SVD |
| title_sort | reliable image watermarking scheme based on redistributed image normalization and svd |
| url | http://dx.doi.org/10.1155/2016/3263587 |
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