Segment-based and reversible techniques in data hiding for binary images
The existing watermarking methods for binary images either have low embedding capacity or have poor visual quality of watermarked images. Two fragile watermarking methods for binary images are proposed for the purpose of authentication. The first method is a segment-based watermarking method. In the...
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| Formato: | Tese |
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2008
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| Acesso em linha: | https://hdl.handle.net/10356/3513 |