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1. 发明申请

US20080273744A1 DIGITAL WATERMARKING METHOD AND APPARATUS 审中-公开
标题翻译：数字水印方法和装置
公开(公告)号：US20080273744A1
公开(公告)日：2008-11-06
申请号：US11946129
申请日：2007-11-28
申请人： Nakaba Kogure , Noboru Yamaguchi , Tomoo Yamakage
发明人： Nakaba Kogure , Noboru Yamaguchi , Tomoo Yamakage
IPC分类号： G06K9/00
CPC分类号： G06T1/0064 , G06T2201/0052 , G06T2201/0083
摘要： A digital watermark embedding apparatus including a first scaling unit to scale an input image signal to one of enlargement and reduction, an extraction unit extracting a specific frequency component signal from the scaled image signal, a digital watermark signal generator to generate a digital watermark signal based on the specific frequency component signal and watermark information, a second scaling unit to scale the digital watermark signal to the other of the enlargement and reduction, and a compositor to combine the scaled digital watermark signal with the input image signal to generate a watermarked image signal.
摘要翻译：一种数字水印嵌入装置，包括：第一缩放单元，用于将输入图像信号缩放到放大和缩小中的一个;提取单元，从缩放图像信号中提取特定频率分量信号;数字水印信号发生器，用于基于数字水印信号生成在特定频率分量信号和水印信息上，第二缩放单元将数字水印信号缩放到放大和缩小中的另一个;以及合成器，将缩放的数字水印信号与输入图像信号组合以生成加水印的图像信号。

2. 发明申请

US20070195988A1 DIGITAL WATERMARK DETECTION METHOD AND APPARATUS 失效
标题翻译：数字水印检测方法和装置
公开(公告)号：US20070195988A1
公开(公告)日：2007-08-23
申请号：US11467804
申请日：2006-08-28
申请人： Nakaba Kogure , Noboru Yamaguchi , Tomoo Yamakage
发明人： Nakaba Kogure , Noboru Yamaguchi , Tomoo Yamakage
IPC分类号： G06K9/00
CPC分类号： G06T1/0064 , G06T2201/0052
摘要： A digital watermark detection apparatus includes an extraction unit extracting a specific frequency component signal from an input image signal, a first transformation unit orthogonal-transforming the image signal, a second transformation unit orthogonal-transforming the specific frequency component signal, a combination unit combining first and second transformed image signals from the first and second transformation units, a third transformation unit orthogonal-transforming a combined image signal, an estimation unit estimating embedded watermark information by searching for a peak appearing in a third transformed image signal of the third transformation unit, and a compressor compressing a target signal in amplitude based on a compression characteristic varying according to an amplitude and frequency of the target signal to obtain a compression signal, the target signal formed of at least one of the first transformed image signal, the second transformed image signal and the combined image signal.
摘要翻译：数字水印检测装置包括从输入图像信号提取特定频率分量信号的提取单元，正交变换图像信号的第一变换单元，正交变换特定频率分量信号的第二变换单元，第一以及来自第一和第二变换单元的第二变换图像信号，对组合图像信号进行正交变换的第三变换单元，估计单元，通过搜索出现在第三变换单元的第三变换图像信号中的峰值来估计嵌入水印信息，以及压缩器，其基于根据所述目标信号的幅度和频率而变化的压缩特性，以幅度压缩目标信号，以获得压缩信号，所述目标信号由所述第一变换图像信号，所述第二变换图像信号和组合图像信号。

3. 发明授权

US07646883B2 Digital watermark detection method and apparatus 失效
标题翻译：数字水印检测方法及装置
公开(公告)号：US07646883B2
公开(公告)日：2010-01-12
申请号：US11467804
申请日：2006-08-28
申请人： Nakaba Kogure , Noboru Yamaguchi , Tomoo Yamakage
发明人： Nakaba Kogure , Noboru Yamaguchi , Tomoo Yamakage
IPC分类号： G06K9/00 , H04L9/32 , H04N1/40
CPC分类号： G06T1/0064 , G06T2201/0052
摘要： A digital watermark detection apparatus includes an extraction unit extracting a specific frequency component signal from an input image signal, a first transformation unit orthogonal-transforming the image signal, a second transformation unit orthogonal-transforming the specific frequency component signal, a combination unit combining first and second transformed image signals from the first and second transformation units, a third transformation unit orthogonal-transforming a combined image signal, an estimation unit estimating embedded watermark information by searching for a peak appearing in a third transformed image signal of the third transformation unit, and a compressor compressing a target signal in amplitude based on a compression characteristic varying according to an amplitude and frequency of the target signal to obtain a compression signal, the target signal formed of at least one of the first transformed image signal, the second transformed image signal and the combined image signal.
摘要翻译：数字水印检测装置包括从输入图像信号提取特定频率分量信号的提取单元，正交变换图像信号的第一变换单元，正交变换特定频率分量信号的第二变换单元，第一以及来自第一和第二变换单元的第二变换图像信号，对组合图像信号进行正交变换的第三变换单元，估计单元，通过搜索出现在第三变换单元的第三变换图像信号中的峰值来估计嵌入水印信息，以及压缩器，其基于根据所述目标信号的幅度和频率而变化的压缩特性，以幅度压缩目标信号，以获得压缩信号，所述目标信号由所述第一变换图像信号，所述第二变换图像信号和组合图像信号。

4. 发明授权

US5541661A Video coding apparatus which forms an optimum prediction signal which is designated by a set of motion vectors of separate reference pictures 失效
标题翻译：视频编码装置，其形成由分离的参考图像的一组运动矢量指定的最佳预测信号
公开(公告)号：US5541661A
公开(公告)日：1996-07-30
申请号：US295421
申请日：1994-08-25
申请人： Toshinori Odaka , Yoshiharu Uetani , Tadaaki Masuda , Tomoo Yamakage , Hideyuki Ueno , Noboru Yamaguchi , Yoshihiro Kikuchi , Tadahiro Oku
发明人： Toshinori Odaka , Yoshiharu Uetani , Tadaaki Masuda , Tomoo Yamakage , Hideyuki Ueno , Noboru Yamaguchi , Yoshihiro Kikuchi , Tadahiro Oku
IPC分类号： G06T9/00 , H04N7/26 , H04N7/32 , H04N7/36 , H04N7/46 , H04N7/50
CPC分类号： H04N19/577 , H04N19/105 , H04N19/107 , H04N19/112 , H04N19/126 , H04N19/137 , H04N19/14 , H04N19/152 , H04N19/159 , H04N19/16 , H04N19/174 , H04N19/176 , H04N19/503 , H04N19/51 , H04N19/523 , H04N19/58 , H04N19/61 , H04N19/80 , H04N19/82 , H04N19/146 , H04N19/149 , H04N19/15 , H04N19/50
摘要： A video coding apparatus includes a memory for storing a coded picture signal used as a reference picture signal, a vector detecting circuit for detecting, from plural field picture signals or plural frame picture signals which are read out from the memory and the reference picture signals, an optimum motion vector regarding a picture to be coded, a prediction signal producing circuit for subjecting a spatial-temporal filtering to a reference picture designated by the optimum motion vector to produce a prediction signal, and a coding circuit for coding the to-be-coded picture signal on the basis of the prediction signal.
摘要翻译：视频编码装置包括存储用作参考图像信号的编码图像信号的存储器，用于从多个场图像信号或从存储器读出的多个帧图像信号和参考图像信号中检测的矢量检测电路，关于要编码的图像的最佳运动矢量，用于对由最佳运动矢量指定的参考图像进行空间 - 时间滤波以产生预测信号的预测信号产生电路，以及用于编码待编码的图像的编码电路，基于预测信号编码图像信号。

5. 发明授权

US6005627A Video coding apparatus 失效
公开(公告)号：US6005627A
公开(公告)日：1999-12-21
申请号：US95722
申请日：1998-06-11
申请人： Toshinori Odaka , Yoshiharu Uetani , Tadaaki Masuda , Tomoo Yamakage , Hideyuki Ueno , Noboru Yamaguchi , Yoshihiro Kikuchi , Tadahiro Oku
发明人： Toshinori Odaka , Yoshiharu Uetani , Tadaaki Masuda , Tomoo Yamakage , Hideyuki Ueno , Noboru Yamaguchi , Yoshihiro Kikuchi , Tadahiro Oku
IPC分类号： G06T9/00 , H04N7/26 , H04N7/36 , H04N7/46 , H04N7/50 , H04N7/32
CPC分类号： H04N19/577 , H04N19/105 , H04N19/107 , H04N19/112 , H04N19/126 , H04N19/137 , H04N19/16 , H04N19/174 , H04N19/176 , H04N19/51 , H04N19/523 , H04N19/58 , H04N19/61 , H04N19/80 , H04N19/82 , H04N19/146 , H04N19/152
摘要： A video coding apparatus comprising a memory for storing a coded picture signal used as a reference picture signal, a vector detecting circuit for detecting, from plural field picture signals or plural frame picture signals which are read out from the memory and the reference picture signals, an optimum motion regarding a picture to be coded, a prediction signal producing circuit for subjecting a spatial-temporal filtering to a reference picture designated by the optimum motion vector to produce a prediction signal, and a coding circuit for coding the to-be coded picture signal on the basis of the prediction signal.

6. 发明授权

US5317397A Predictive coding using spatial-temporal filtering and plural motion vectors 失效
标题翻译：使用空间 - 时间滤波和多个运动矢量的预测编码
公开(公告)号：US5317397A
公开(公告)日：1994-05-31
申请号：US890705
申请日：1992-05-29
申请人： Toshinori Odaka , Yoshiharu Uetani , Tadaaki Masuda , Tomoo Yamakage , Hideyuki Ueno , Noboru Yamaguchi , Yoshihiro Kikuchi , Tadahiro Oku
发明人： Toshinori Odaka , Yoshiharu Uetani , Tadaaki Masuda , Tomoo Yamakage , Hideyuki Ueno , Noboru Yamaguchi , Yoshihiro Kikuchi , Tadahiro Oku
IPC分类号： G06T9/00 , H04N7/26 , H04N7/32 , H04N7/36 , H04N7/46 , H04N7/50 , H04N7/137
CPC分类号： H04N19/577 , H04N19/105 , H04N19/107 , H04N19/112 , H04N19/126 , H04N19/137 , H04N19/14 , H04N19/152 , H04N19/159 , H04N19/16 , H04N19/174 , H04N19/176 , H04N19/503 , H04N19/51 , H04N19/523 , H04N19/58 , H04N19/61 , H04N19/80 , H04N19/82 , H04N19/146 , H04N19/149 , H04N19/15 , H04N19/50
摘要： A video coding apparatus comprises a memory for storing a coded picture signal used as a reference picture signal, a vector detecting circuit for detecting, from plural field picture signals or plural frame picture signals which are read out from the memory and the reference picture signals, an optimum motion vector regarding a picture to be coded, a prediction signal producing circuit for subjecting a spatial-temporal filtering to a reference picture designated by the optimum motion vector to produce a prediction signal, and a coding circuit for coding the to-be-coded picture signal on the basis of the prediction signal.
摘要翻译：视频编码装置包括：存储器，用于存储用作参考图像信号的编码图像信号;矢量检测电路，用于从多个场图像信号或从存储器读出的多个帧图像信号和参考图像信号，关于要编码的图像的最佳运动矢量，用于对由最佳运动矢量指定的参考图像进行空间 - 时间滤波以产生预测信号的预测信号产生电路，以及用于编码待编码的图像的编码电路，基于预测信号编码图像信号。

7. 发明授权

US5986713A Video coding apparatus using inter-field prediction 失效
标题翻译：使用场间预测的视频编码装置
公开(公告)号：US5986713A
公开(公告)日：1999-11-16
申请号：US95712
申请日：1998-06-11
申请人： Toshinori Odaka , Yoshiharu Uetani , Tadaaki Masuda , Tomoo Yamakage , Hideyuki Ueno , Noboru Yamaguchi , Yoshihiro Kikuchi , Tadahiro Oku
发明人： Toshinori Odaka , Yoshiharu Uetani , Tadaaki Masuda , Tomoo Yamakage , Hideyuki Ueno , Noboru Yamaguchi , Yoshihiro Kikuchi , Tadahiro Oku
IPC分类号： G06T9/00 , H04N7/26 , H04N7/32 , H04N7/36 , H04N7/46 , H04N7/50
CPC分类号： H04N19/577 , H04N19/105 , H04N19/107 , H04N19/112 , H04N19/126 , H04N19/137 , H04N19/14 , H04N19/152 , H04N19/159 , H04N19/16 , H04N19/174 , H04N19/176 , H04N19/503 , H04N19/51 , H04N19/523 , H04N19/58 , H04N19/61 , H04N19/80 , H04N19/82 , H04N19/146 , H04N19/149 , H04N19/15 , H04N19/50
摘要： A video coding apparatus comprising a memory for storing a coded picture signal used as a reference picture signal, a vector detecting circuit for detecting, from plural field picture signals or plural frame picture signals which are read out from the memory and the reference picture signals, an optimum motion regarding a picture to be coded, a prediction signal producing circuit for subjecting a spatial-temporal filtering to a reference picture designated by the optimum motion vector to produce a prediction signal, and a coding circuit for coding the to-be coded picture signal on the basis of the prediction signal.
摘要翻译：一种视频编码装置，包括用于存储用作参考图像信号的编码图像信号的存储器，用于从多个场图像信号或从存储器读出的多个帧图像信号和参考图像信号中检测的矢量检测电路，关于要编码的图像的最佳运动，用于对由最佳运动矢量指定的参考图像进行空间 - 时间滤波以产生预测信号的预测信号产生电路，以及用于对要编码的图像进行编码的编码电路信号基于预测信号。

8. 发明授权

US5647049A Video recording/reproducing apparatus which uses a differential motion vector determined using two other motion vectors 失效
标题翻译：使用使用两个其它运动矢量确定的差分运动矢量的视频记录/再现装置
公开(公告)号：US5647049A
公开(公告)日：1997-07-08
申请号：US430366
申请日：1995-04-28
申请人： Toshinori Odaka , Yoshiharu Uetani , Tadaaki Masuda , Tomoo Yamakage , Hideyuki Ueno , Noboru Yamaguchi , Yoshihiro Kikuchi , Tadahiro Oku
发明人： Toshinori Odaka , Yoshiharu Uetani , Tadaaki Masuda , Tomoo Yamakage , Hideyuki Ueno , Noboru Yamaguchi , Yoshihiro Kikuchi , Tadahiro Oku
IPC分类号： G06T9/00 , H04N7/26 , H04N7/32 , H04N7/36 , H04N7/46 , H04N7/50 , H04N5/92
CPC分类号： H04N19/577 , H04N19/105 , H04N19/107 , H04N19/112 , H04N19/126 , H04N19/137 , H04N19/152 , H04N19/159 , H04N19/16 , H04N19/174 , H04N19/176 , H04N19/503 , H04N19/51 , H04N19/523 , H04N19/58 , H04N19/61 , H04N19/80 , H04N19/82 , H04N19/146 , H04N19/149 , H04N19/15 , H04N19/50
摘要： A video recording/reproducing apparatus having an encoder for encoding a video signal, and a recording unit for recording encoded information from the encoder on a digital recording medium, the encoder comprising a memory for storing at least first and second reference pictures, a prediction circuit for forming a prediction signal for an input signal, using a first reference signal from the first reference picture designated by a first motion vector, and a second reference signal from the second reference picture designated by a second motion vector, a first motion vector detector for determining a third motion vector from a point of intersection of the first motion vector and the second motion vector to a point in the second reference picture where the first motion vector intersects the second reference picture, a second motion vector detector for determining a differential motion vector by subtracting the third motion vector from the second motion vector, and an encoding circuit for encoding the first motion vector and the differential motion vector to obtain encoded first motion vector data and encoded differential motion vector data, and for encoding a difference signal between the prediction signal and the input signal to obtain encoded difference data.
摘要翻译：一种具有用于编码视频信号的编码器的视频记录/再现装置和用于在数字记录介质上从编码器记录编码信息的记录单元，该编码器包括用于至少存储第一和第二参考图像的存储器，预测电路用于使用来自由第一运动矢量指定的第一参考图片的第一参考信号和由第二运动矢量指定的第二参考图片的第二参考信号形成用于输入信号的预测信号，第一运动矢量检测器，从第一运动矢量和第二运动矢量的交点到第二参考图像中的第一运动矢量与第二参考图像相交的点确定第三运动矢量;第二运动矢量检测器，用于确定差分运动矢量通过从第二运动矢量中减去第三运动矢量，以及编码电路编码第一运动矢量和差分运动矢量以获得编码的第一运动矢量数据和编码的差分运动矢量数据，并且用于对预测信号和输入信号之间的差分信号进行编码，以获得编码差分数据。

9. 发明授权

US5467136A Video decoder for determining a motion vector from a scaled vector and a difference vector 失效
标题翻译：视频解码器，用于从缩放向量和差矢量确定运动矢量
公开(公告)号：US5467136A
公开(公告)日：1995-11-14
申请号：US197862
申请日：1994-02-17
申请人： Toshinori Odaka , Yoshiharu Uetani , Tadaaki Masuda , Tomoo Yamakage , Hideyuki Ueno , Noboru Yamaguchi , Yoshihiro Kikuchi , Tadahiro Oku
发明人： Toshinori Odaka , Yoshiharu Uetani , Tadaaki Masuda , Tomoo Yamakage , Hideyuki Ueno , Noboru Yamaguchi , Yoshihiro Kikuchi , Tadahiro Oku
IPC分类号： G06T9/00 , H04N7/26 , H04N7/32 , H04N7/36 , H04N7/46 , H04N7/50
CPC分类号： H04N19/577 , H04N19/105 , H04N19/107 , H04N19/112 , H04N19/126 , H04N19/137 , H04N19/152 , H04N19/159 , H04N19/16 , H04N19/174 , H04N19/176 , H04N19/503 , H04N19/51 , H04N19/523 , H04N19/58 , H04N19/61 , H04N19/80 , H04N19/82 , H04N19/146 , H04N19/149 , H04N19/15 , H04N19/50
摘要： A video decoding apparatus including a memory for storing at least first and second reference pictures, a prediction signal forming circuit for forming a prediction signal to produce an output signal, using a first reference signal designated by a first motion vector for the first reference picture and a second reference signal designated by a second motion vector for the second reference picture read out of the memory. Also included is a decoding circuit for decoding the transmitted first motion vector and a transmitted motion vector difference, and for further decoding the second motion vector by adding a scaled motion vector and the motion vector difference. The scaled motion vector is derived by scaling the first motion vector to a motion vector for the second reference picture. Further included is a decoding circuit for decoding a transmitted difference signal and for obtaining the output signal by adding the difference signal and the prediction signal.
摘要翻译：一种视频解码装置，包括用于存储至少第一和第二参考图像的存储器，用于形成预测信号以产生输出信号的预测信号形成电路，使用由第一参考图像的第一运动矢量指定的第一参考信号，以及由从存储器读出的第二参考图像的第二运动矢量指定的第二参考信号。还包括用于解码所发送的第一运动矢量和发送的运动矢量差的解码电路，并且用于通过加上缩放的运动矢量和运动矢量差来进一步解码第二运动矢量。通过将第一运动矢量缩放为第二参考图像的运动矢量来推定缩放的运动矢量。还包括一个解码电路，用于对传输的差分信号进行解码，并通过加上差分信号和预测信号来获得输出信号。

10. 发明授权

US5424779A Video coding apparatus 失效
标题翻译：视频编码装置
公开(公告)号：US5424779A
公开(公告)日：1995-06-13
申请号：US156709
申请日：1993-11-24
申请人： Toshinori Odaka , Yoshiharu Uetani , Tadaaki Masuda , Tomoo Yamakage , Hideyuki Ueno , Noboru Yamaguchi , Yoshihiro Kikuchi , Tadahiro Oku
发明人： Toshinori Odaka , Yoshiharu Uetani , Tadaaki Masuda , Tomoo Yamakage , Hideyuki Ueno , Noboru Yamaguchi , Yoshihiro Kikuchi , Tadahiro Oku
IPC分类号： G06T9/00 , H04N7/26 , H04N7/32 , H04N7/36 , H04N7/46 , H04N7/50 , H04N7/24
CPC分类号： H04N19/577 , H04N19/105 , H04N19/107 , H04N19/112 , H04N19/126 , H04N19/137 , H04N19/14 , H04N19/152 , H04N19/159 , H04N19/16 , H04N19/174 , H04N19/176 , H04N19/503 , H04N19/51 , H04N19/523 , H04N19/58 , H04N19/61 , H04N19/80 , H04N19/82 , H04N19/146 , H04N19/149 , H04N19/15 , H04N19/50
摘要： A video coding apparatus comprises a memory for storing a coded picture signal used as a reference picture signal, a vector detecting circuit for detecting, from plural field picture signals or plural frame picture signals which are read out from the memory and the reference picture signals, an optimum motion vector regarding a picture to be coded, a prediction signal producing circuit for subjecting a spatial-temporal filtering to a reference picture designated by the optimum motion vector to produce a prediction signal, and a coding circuit for coding the to-be-coded picture signal on the basis of the prediction signal.
摘要翻译：视频编码装置包括：存储器，用于存储用作参考图像信号的编码图像信号;矢量检测电路，用于从多个场图像信号或从存储器读出的多个帧图像信号和参考图像信号，关于要编码的图像的最佳运动矢量，用于对由最佳运动矢量指定的参考图像进行空间 - 时间滤波以产生预测信号的预测信号产生电路，以及用于编码待编码的图像的编码电路，基于预测信号编码图像信号。

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