DIGITAL_WATERMARKING

作品数：67被引量：95H指数：5
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相关机构：湖南大学华中科技大学华中师范大学吉林大学更多>>
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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 
STUDY ON SEMANTIC-BASED VIDEO WATERMARKING METHOD
《Journal of Electronics(China)》2010年第3期428-432,共5页Wang Xuhai Tong Ming Qin Kezhen 
Supported by the Natural Science Foundation of Shaanxi Province (SJ08F15);the Industry Tackling Project of Shaanxi Province (2010K06-20);the National Natural Science Foundation of China and Civil Aviation Ad-ministration of China (No. 61072110)
A new video watermarking method for the Audio Video coding Standard (AVS) is proposed. According to human visual masking properties, this method determines the region of interest for watermark embedding by analyzing v...
关键词：Digital watermarking SEMANTICS CLONING Association rules Audio Video coding Standard (AVS) 
SPREAD SPECTRUM WATERMARK DETECTION IN DRT-DOMAIN
《Journal of Electronics(China)》2007年第6期782-786,共5页Xing Guihua Yu Shenglin 
Supported by the National Natural Science Foundation of China (No.10371055).
The traditional correlation-based detector is optimal only for Gaussian data, but the Laplacian Probability Density Function (PDF) is more appropriate to model the coefficients in the Discrete Ridgelet Transform (DRT)...
关键词：Ridgelet transform Digital watermarking Laplacian model Statistical detection 
APPLICATION OF NONLINEAR WATERMARK TECHNIQUES IN DIGITAL LIBRARIES被引量：1
《Journal of Electronics(China)》2005年第5期524-527,共4页Zhao Jian Zhou Mingquan 
Supported in part by the National Natural Science Foundation of China (No.60072044).
A digital watermark is an invisible mark embedded in a digital image that may be used for a number of different purposes including copyright protection. Due to the urgent need for protecting the copyright of digital p...
关键词：Digital library Digital watermarking NONLINEAR Copyright protection 
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 
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 
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