Geometrically resilient digital image watermarking by using interest point extraction and extended pilot signals

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Title:	Geometrically resilient digital image watermarking by using interest point extraction and extended pilot signals
Authors:	蘇柏齊;Su, Po-Chyi;Chang, Yu-Chuan;Wu, Ching-Yu
Contributors:	資訊電機學院資訊工程學系
Keywords:	Applied sciences;Artificial intelligence;Computer science;control theory;systems;Computer systems performance. Reliability;Digital;Digital images;Digital watermark;Exact sciences and technology;Extraction;Feature extraction;geometrical transformations;Image detection;interest point extraction;Invariants;Memory and file management (including protection and security);Memory organisation. Data processing;Pattern recognition. Digital image processing. Computational geometry;Pilots;SIFT;Signal detection;Software;StirMark;Synchronism;Synchronization;Watermarking
Date:	2013-11-27
Issue Date:	2026-04-23 13:46:05 (UTC+8)
Publisher:	Institute of Electrical and Electronics Engineers Inc.;New York, NY: IEEE
Abstract:	摘要： A feature-based digital image watermarking scheme is proposed to resist geometrical transformations. Such interest point extraction as scale-invariant feature transform is applied to form the invariant regions for signal embedding. Along with the watermark, the pilot signal used for synchronized detection will also be embedded to help to determine larger areas for improving the payload of watermarking and/or increasing the confidence of watermark detection. Both embedded signals are weighted by the just noticeable difference of Watson's perceptual model to meet the requirement of invisibility. In the detection phase, after the same interest point extraction, synchronization can be achieved via adjusting the related affine parameters of grids on the investigated image to detect the possible hidden pilot signal so that the watermark can be successfully retrieved afterward. Experimental results show the feasibility of the proposed method. 其他題名： TIFS 出版者： New York, NY: IEEE 出版日期： 2013-12-01 出處： IEEE Transactions on Information Forensics and Security, 2013-12, Vol.8 (12), p.1897-1908 資源來源： IEEE Xplore 版權： 2015 INIST-CNRS 版權： Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Dec 2013 識別號： ISSN: 1556-6013 識別號： EISSN: 1556-6021 識別號： DOI: 10.1109/TIFS.2013.2282121 識別號： CODEN: ITIFA6
Appears in Collections:	[Department of Computer Science and information Engineering] journal & Dissertation

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