Digital halftoning
SARI: self-authentication-and-recovery image watermarking system
MULTIMEDIA '01 Proceedings of the ninth ACM international conference on Multimedia
Modeling and quality assessment of halftoning by error diffusion
IEEE Transactions on Image Processing
A fast, high-quality inverse halftoning algorithm for error diffused halftones
IEEE Transactions on Image Processing
A novel public key self-embedding fragile watermarking technique for image authentication
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Watermark based recovery of tampered documents
Proceedings of the ACM SIGKDD Workshop on Intelligence and Security Informatics
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Self embedding watermarking is a technique used for tamper detection, localization and recovery. This letter proposes a novel self embedding scheme, in which the halftone version of the host image is exploited as a watermark, instead of a JPEG-compressed version used in most existing methods. Our scheme employs a pixel-wise permuted and embedded mechanism and thus overcomes some common drawbacks of the previous methods. Experimental results demonstrate our technique is effective and practical.