@inproceedings{4379301,
	Author = {Soo-Chang Pei and Yi-Chong Zeng},
	Booktitle = {Image Processing, 2007. ICIP 2007. IEEE International Conference on},
	Date-Added = {2012-10-22 15:14:10 +0000},
	Date-Modified = {2012-10-22 15:14:10 +0000},
	Doi = {10.1109/ICIP.2007.4379301},
	Issn = {1522-4880},
	Keywords = {Gaussian lowpass filter;binary halftoning technique;gray-scale image restoration;image recovery;joint bi-watermarking;quadratic programming;tampered areas localization;Gaussian processes;image coding;image restoration;low-pass filters;quadratic programming;watermarking;},
	Month = {16 2007-oct. 19},
	Pages = {III -281 -III -284},
	Title = {Joint Bi-Watermarking and Halftoning Technique Capability for Both Tampered Areas Localization and Recovery of Still Image},
	Volume = {3},
	Year = {2007},
	Abstract = {This paper presents a method to localize and to recover the tampered areas in the watermarked image simultaneously. First, the proposed watermarking algorithm aims to embed a bi-watermark, which is the binary halftone of the downscaled host image, into the host image. While the watermarked image is tampered unauthorizedly, the extracted bi-watermark can be exploited to localize the tampered areas automatically without initial bi-watermark. Subsequently, Gaussian lowpass filter and quadratic programming are used to restore the bi-watermark to gray-scale image for inverse halftoning procedure. Eventually, the restored gray-scale image is used to recover the tampered areas.},
	Bdsk-Url-1 = {http://dx.doi.org/10.1109/ICIP.2007.4379301}}

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While the watermarked image is tampered unauthorizedly, the extracted bi-watermark can be exploited to localize the tampered areas automatically without initial bi-watermark. Subsequently, Gaussian lowpass filter and quadratic programming are used to restore the bi-watermark to gray-scale image for inverse halftoning procedure. Eventually, the restored gray-scale image is used to recover the tampered areas.","bdsk-url-1":"http://dx.doi.org/10.1109/ICIP.2007.4379301","bibtex":"@inproceedings{4379301,\n\tAuthor = {Soo-Chang Pei and Yi-Chong Zeng},\n\tBooktitle = {Image Processing, 2007. ICIP 2007. IEEE International Conference on},\n\tDate-Added = {2012-10-22 15:14:10 +0000},\n\tDate-Modified = {2012-10-22 15:14:10 +0000},\n\tDoi = {10.1109/ICIP.2007.4379301},\n\tIssn = {1522-4880},\n\tKeywords = {Gaussian lowpass filter;binary halftoning technique;gray-scale image restoration;image recovery;joint bi-watermarking;quadratic programming;tampered areas localization;Gaussian processes;image coding;image restoration;low-pass filters;quadratic programming;watermarking;},\n\tMonth = {16 2007-oct. 19},\n\tPages = {III -281 -III -284},\n\tTitle = {Joint Bi-Watermarking and Halftoning Technique Capability for Both Tampered Areas Localization and Recovery of Still Image},\n\tVolume = {3},\n\tYear = {2007},\n\tAbstract = {This paper presents a method to localize and to recover the tampered areas in the watermarked image simultaneously. First, the proposed watermarking algorithm aims to embed a bi-watermark, which is the binary halftone of the downscaled host image, into the host image. 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