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1. 发明申请

US20120027207A1 COMPOSITE MASKING SYSTEM AND METHOD FOR IMPROVING INVISIBILITY OF HIGH-DEFINITION VIDEO WATERMARKING 有权
标题翻译：用于改善高分辨率视频水印可信度的复合掩模系统和方法
公开(公告)号：US20120027207A1
公开(公告)日：2012-02-02
申请号：US13180534
申请日：2011-07-11
申请人： Heung Kyu LEE , Tae Woo Oh , Kyung Su Kim , Ji Won Lee , Hee Dong Kim
发明人： Heung Kyu LEE , Tae Woo Oh , Kyung Su Kim , Ji Won Lee , Hee Dong Kim
IPC分类号： H04N7/167
CPC分类号： H04N21/8358 , G06T1/0028 , G06T1/0064 , G06T2201/0051 , G06T2201/0202
摘要： A composite masking system and method for improving the invisibility of high-definition video watermarking. The composite masking system includes a watermark generation module, a mask generation module, and watermark embedment means. The watermark generation module generates a basic watermark pattern using a private key, and generate a watermark pattern by repeatedly extending the basic watermark pattern. The mask generation module generates a Noise Visibility Function (NVF) mask using NVF masking means, an adaptive dithering mask using adaptive dithering masking means, and a contour mask using contour masking means. The watermark embedment means generates a composite mask by multiplying the NVF mask, the adaptive dithering mask and the contour mask together, multiplying the composite mask and the extended watermark pattern together, and embedding the result of the second multiplication in the luminance channel of an original image.
摘要翻译：一种用于提高高清视频水印隐形性的复合掩蔽系统和方法。复合掩蔽系统包括水印生成模块，掩码生成模块和水印嵌入装置。水印生成模块使用专用密钥生成基本水印图案，并通过重复地扩展基本水印图案来生成水印图案。掩模产生模块使用NVF掩蔽装置，使用自适应抖动掩蔽装置的自适应抖动掩模和使用轮廓掩蔽装置的轮廓掩模来生成噪声可见性功能（NVF）掩模。水印嵌入装置通过将NVF掩模，自适应抖动掩模和轮廓掩模相乘来生成复合掩码，将合成掩码和扩展水印图案相乘，并将第二乘法的结果嵌入原始图像的亮度通道中图片。

2. 发明申请

US20090060257A1 WATERMARKING METHOD RESISTANT TO GEOMETRIC ATTACK IN WAVELET TRANSFORM DOMAIN 审中-公开
标题翻译： WATERMARKING方法抵抗小波变换域中的几何攻击
公开(公告)号：US20090060257A1
公开(公告)日：2009-03-05
申请号：US11847041
申请日：2007-08-29
申请人： Heung Kyu LEE , Choong Hoon LEE
发明人： Heung Kyu LEE , Choong Hoon LEE
IPC分类号： G06K9/00
CPC分类号： G06T1/0064 , G06T2201/0052 , G06T2201/0065 , G06T2201/0083
摘要： The present invention relates, in general, to a watermarking method resistant to a geometric attack in a wavelet transform domain, and, more particularly, to technology for embedding a watermark in a discrete wavelet transform (DWT) domain, thus extracting autocorrelation (AC) peaks, which play an important part in the estimation of geometric attacks in ACF-based watermarking, and detecting watermarks using the AC peaks even after geometric distortion is applied. In the watermarking method of the present invention, a watermark pattern is embedded in subbands of a Discrete Wavelet Transform (DWT) domain. An Autocorrelation Function (ACF) of a watermark is executed in the domain, thus detecting a watermark required to estimate a geometric attack. A watermark signal is detected using an undecimated wavelet transform so as to compensate for an image shift in the watermark.
摘要翻译：本发明一般涉及一种抵抗小波变换域中的几何攻击的水印方法，更具体地说，涉及一种用于在离散小波变换（DWT）域中嵌入水印的技术，从而提取自相关（AC）峰值，在基于ACF的水印中几何攻击的估计中起重要作用，并且即使在应用几何失真之后也使用AC峰值检测水印。在本发明的水印方法中，将水印图案嵌入在离散小波变换（DWT）域的子带中。在域中执行水印的自相关函数（ACF），从而检测估计几何攻击所需的水印。使用未切换的小波变换来检测水印信号，以补偿水印中的图像偏移。

3. 发明申请

US20080056497A1 METHOD OF GENERATING ANTI-COLLUSION FINGERPRINT CODES USING 有权
标题翻译：使用抗生素指纹编码的方法
公开(公告)号：US20080056497A1
公开(公告)日：2008-03-06
申请号：US11850068
申请日：2007-09-05
申请人： Heung Kyu LEE , Eun Mee LEE , Sung Hyuk PARK , In Koo KANG
发明人： Heung Kyu LEE , Eun Mee LEE , Sung Hyuk PARK , In Koo KANG
IPC分类号： H04L9/28 , G06F21/00
CPC分类号： G06T1/005 , G06F21/10 , G06F2221/0737 , G06T1/0028 , G06T2201/0063
摘要： Disclosed herein is a method of generating anti-collusion fingerprint codes using a (na, n2a−2, na−1, n, 0, 1) GD-PBIBD. The fingerprint codes are generated using computer equipment that executes a program for executing a program for generating the fingerprint codes. The method includes step 1 of receiving an arbitrary prime number n and an arbitrary integer a larger than 3, step 2 of generating an n×n index matrix, step 3 of generating n n×n type_i matrixes, step 4 of generating an n2×n2 matrix using the n×n index matrix and the n×n type_i matrixes, step 5 of generating an na×n2a−2 matrix, and step 6 of extracting one arbitrary column from the na×n2a−2 matrix.
摘要翻译：本文公开了一种使用（n，a，b，...，n），n-1，...，n，n，，0，1）GD-PBIBD。使用执行用于执行用于生成指纹码的程序的程序的计算机设备来生成指纹码。该方法包括：步骤1，接收任意素数n和大于3的任意整数，生成nxn索引矩阵的步骤2，生成n n×n个类型矩阵的步骤3，产生n < 使用nxn索引矩阵和nxn类型_矩阵，使用步骤5生成n×n×2×2矩阵，，以及从n ^{a> n> 2a-2 矩阵提取一个任意列的步骤6。}

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