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- W2351136620 abstract "In light of the content protection and authentication of local areas in color digital images,a fragile watermarking algorithm of color digital image is studied.To ensure the security of digital watermark,using a three-dimensional binary chaotic sequence,the original binary watermark image is encrypted,and the encrypted binary watermark images extracted from the watermarked image is decrypted.The watermarks embedded into the cover image and the ones extracted from the watermarked image are all encrypted watermarks.The encrypted watermarks are respectively embedded into the wavelet transform domains of the three components of the protected area in color digital image to protect the integrality and non-tampering of its content.The embedding and blind extracting of digital watermarks are implemented by using modular arithmetic.The results of theoretic analyses and experiments have shown that the digital fragile watermarking can detect and locate any tampering of the protected areas in color digital images." @default.
- W2351136620 created "2016-06-24" @default.
- W2351136620 creator A5037776167 @default.
- W2351136620 date "2012-01-01" @default.
- W2351136620 modified "2023-09-22" @default.
- W2351136620 title "Digital Fragile Watermark of Color Digital Image" @default.
- W2351136620 hasPublicationYear "2012" @default.
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