Blind Image Watermark Detection Algorithm Based on Discrete Shearlet Transform Using Statistical Decision Theory
Blind watermarking targets the challenging recovery of the watermark when the host is not available during the detection stage. This paper proposes Discrete Shearlet Transform (DST) as a new embedding domain for blind image watermarking. Our novel DST blind watermark detection system uses a nonaddit...
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| Published in | IEEE transactions on computational imaging Vol. 4; no. 1; pp. 46 - 59 |
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| Main Authors | , , , |
| Format | Journal Article |
| Language | English |
| Published |
IEEE
01.03.2018
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| Subjects | |
| Online Access | Get full text |
| ISSN | 2573-0436 2333-9403 2333-9403 |
| DOI | 10.1109/TCI.2018.2794065 |
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| Abstract | Blind watermarking targets the challenging recovery of the watermark when the host is not available during the detection stage. This paper proposes Discrete Shearlet Transform (DST) as a new embedding domain for blind image watermarking. Our novel DST blind watermark detection system uses a nonadditive scheme based on the statistical decision theory. It first computes the Probability Density Function (PDF) of the DST coefficients modeled as a Laplacian distribution. The resulting likelihood ratio is compared with a decision threshold calculated using Neyman-Pearson criterion to minimize the missed detection subject to a fixed false alarm probability. Our method is evaluated in terms of imperceptibility, robustness, and payload against different attacks (Gaussian noise, blurring, cropping, compression, and rotation) using 30 standard grayscale images covering different characteristics (smooth, more complex with a lot of edges, and high detail textured regions). The proposed method shows greater windowing flexibility with more sensitive to directional and anisotropic features when compared against discrete wavelet and contourlets. |
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| AbstractList | Blind watermarking targets the challenging recovery of the watermark when the host is not available during the detection stage. This paper proposes Discrete Shearlet Transform (DST) as a new embedding domain for blind image watermarking. Our novel DST blind watermark detection system uses a nonadditive scheme based on the statistical decision theory. It first computes the Probability Density Function (PDF) of the DST coefficients modeled as a Laplacian distribution. The resulting likelihood ratio is compared with a decision threshold calculated using Neyman-Pearson criterion to minimize the missed detection subject to a fixed false alarm probability. Our method is evaluated in terms of imperceptibility, robustness, and payload against different attacks (Gaussian noise, blurring, cropping, compression, and rotation) using 30 standard grayscale images covering different characteristics (smooth, more complex with a lot of edges, and high detail textured regions). The proposed method shows greater windowing flexibility with more sensitive to directional and anisotropic features when compared against discrete wavelet and contourlets. |
| Author | Kurugollu, Fatih Ahmaderaghi, Baharak Bouridane, Ahmed Martinez Del Rincon, Jesus |
| Author_xml | – sequence: 1 givenname: Baharak surname: Ahmaderaghi fullname: Ahmaderaghi, Baharak email: bahmaderaghi01@qub.ac.uk organization: Sch. of Electron., Electr. Eng. & Comput. Sci., Queen's Univ. Belfast, Belfast, UK – sequence: 2 givenname: Fatih surname: Kurugollu fullname: Kurugollu, Fatih email: f.kurugollu@derby.ac.uk organization: Dept. of Electron., Comput. & Math., Univ. of Derby, Derby, UK – sequence: 3 givenname: Jesus surname: Martinez Del Rincon fullname: Martinez Del Rincon, Jesus email: j.martinez-del-rincon@qub.ac.uk organization: Sch. of Electron., Electr. Eng. & Comput. Sci., Queen's Univ. Belfast, Belfast, UK – sequence: 4 givenname: Ahmed surname: Bouridane fullname: Bouridane, Ahmed email: ahmed.bouridane@northumbria.ac.uk organization: Dept. of Comput. & Inf. Sci., Univ. of Northumbria, Newcastle upon Tyne, UK |
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| SubjectTerms | Contourlet transform (CT) digital image watermarking Discrete cosine transforms Discrete Fourier transforms Discrete Shearlet Transform (DST) Discrete Wavelet Transform (DWT) Discrete wavelet transforms frequency domain Image edge detection laplacian distribution Robustness Watermarking |
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| Title | Blind Image Watermark Detection Algorithm Based on Discrete Shearlet Transform Using Statistical Decision Theory |
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