Semi-fragile spatial watermarking based on local binary pattern operators
Local binary pattern (LBP) operators, which measure the local contrast within a pixel's neighborhood, have been successfully applied to texture analysis, visual inspection, and image retrieval. In the paper, we present a novel semi-fragile spatial watermarking method based on LBP operators by u...
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| Veröffentlicht in: | Optics communications 2011-08, Vol.284 (16), p.3904-3912 |
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| container_title | Optics communications |
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| creator | Wenyin, Zhang Shih, Frank Y. |
| description | Local binary pattern (LBP) operators, which measure the local contrast within a pixel's neighborhood, have been successfully applied to texture analysis, visual inspection, and image retrieval. In the paper, we present a novel semi-fragile spatial watermarking method based on LBP operators by using the local pixel contrast for the embedding and extraction of watermarks. We also propose a general framework for multi-level image watermarking. Experimental results show that the proposed watermarking methods are robust against commonly-used image processing operations, such as additive noise, luminance change, contrast adjustment, color balance, and JPEG compression. At the same time, they achieve good invisibility, fragility, and image tamper detection and localization with less computational cost. |
| doi_str_mv | 10.1016/j.optcom.2011.04.004 |
| format | Article |
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| ispartof | Optics communications, 2011-08, Vol.284 (16), p.3904-3912 |
| issn | 0030-4018 1873-0310 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_889408452 |
| source | Elsevier ScienceDirect Journals |
| subjects | Digital watermarking Image contrast JPEG encoders-decoders Local binary pattern Luminance Multi-level watermark Operators Semi-fragile watermark Surface layer Texture Watermarking |
| title | Semi-fragile spatial watermarking based on local binary pattern operators |
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