WATERMARKING

作品数：136被引量：227H指数：6
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相关机构：清华大学华中师范大学华中科技大学湖南大学更多>>
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相关基金：国家自然科学基金国家重点基础研究发展计划湖北省自然科学基金国家教育部博士点基金更多>>
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WATERMARKING WITH REFINED PERCEPTUAL MASKING TUNED FOR SYNTHETIC APERTURE RADAR IMAGES
《Journal of Electronics(China)》2014年第4期310-316,共7页Lei Bin Ding Chibiao 
A watermarking scheme designed for remote sensing images needs to meet the same demand of both invisibility as for ordinary digital images. Due to specific perceptual characteristics of Synthetic Aperture Radar(SAR) i...
关键词：Digital watermarking Synthetic Aperture Radar （SAR） Perceptual masking WaveletCLC number：TN957 
WATERMARKING AUTHENTICATION:USING THE FRAGILE MODE OR THE ROBUST MODE?
《Journal of Electronics(China)》2006年第4期549-553,共5页Chen Dan Wu Qianhong Wang Yumin 
Due to the lack of a unified authentication model certain mistakes occurred in the use of the wa-termarking authentication methods. To clarify the confusion, authentication models of robust and fragile wa-termarking a...
关键词：Watermarking authentication Robust watermarking Fragile watermarking 
MULTI-WATERMARKING SCHEME FOR GROUP USERS BASED ON VISUAL CRYPTOGRAPHY被引量：1
《Journal of Electronics(China)》2005年第4期364-370,共7页YuanZhonglan XiaGuangsheng WenQiaoyan YangYixian 
Supported by the National Natural Science Foundation of China (No.90204017, 60373059)National 973 Project (G1999035805) ISN Open Foundation
All watermarks are shared into shadow images using VCS(Visual Cryptography Scheme). Only one specific shadow (as a new watermark) is embedded into the host signal and the other ones are distributed to every user in ea...
关键词：Digital watermarking Visual cryptography Multi-watermarking 
GEOMETRICALLY INVARIANT WATERMARKING BASED ON RADON TRANSFORMATION被引量：19
《Journal of Electronics(China)》2005年第3期301-306,共6页CaiLian DuSidan GaoDuntang 
The weakness of classical watermarking methods is the vulnerability to geometrical distortions that widely occur during normal use of the media. In this letter, a new image- watermarking method is presented to resist ...
关键词：Copyright protection AUTHENTICATION Radon transformation Geometrical at- tacks Invariant centroid 
SYNCHRONIZATION RECOVERY SCHEME IN WATERMARKING DETECTION
《Journal of Electronics(China)》2003年第5期393-396,共4页Xiao Weiwei Zhang Li Ji Zhen Zhang Jihong (FacuJty of In form ation Engineering, Shenzhen University, Shenzhen 518060) 
the National Natural Science Foundation of China (No.60172065)
Most proposed digital watermarking algorithms are sensitive to geometric attacksbecause the synchronization information of watermark embedding and detection is destroyed. Inthis letter a novel synchronization recovery...
关键词：Digital watermarking Geometric attacks Synchronization recovery Image normalization 
A ROBUST METHOD FOR FINGERPRINTING DIGITAL IMAGES
《Journal of Electronics(China)》2001年第3期193-203,共11页Saad Amer 
Supported by the National Natural Science Foundation(No.69882002,69772035);National "863" Programme(863-ZT05-2)
In this paper, a method to fingerprint digital images is proposed, and different watermarked copies with different identification string are made. After determining the number of the customers and the length of the wa...
关键词：SECURITY Fingerprinting IMAGES DIGITAL WATERMARKING COPYRIGHT PROTECTION 
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