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71. 发明申请

US20050033965A1 Extracting embedded information from digital image data 失效
标题翻译：从数字图像数据中提取嵌入信息
公开(公告)号：US20050033965A1
公开(公告)日：2005-02-10
申请号：US10933295
申请日：2004-09-03
申请人： Keiichi Iwamura
发明人： Keiichi Iwamura
IPC分类号： H04N1/387 , G06F12/00 , G06T1/00 , G09C5/00 , G11B20/10 , H03M7/00 , H04N1/32 , G06K9/00
CPC分类号： G06T1/0071 , G06T2201/0051 , G06T2201/0052 , G06T2201/0061 , H04N1/32144 , H04N1/32149 , H04N1/32352 , H04N2201/3233 , H04N2201/327
摘要： An extracting apparatus extracts first information from image data, the first information being embedded in the image data in accordance with a first embedding method which uses publicly available information. A first extracting unit extracts third information including the first information and second information from the image data, the third information being embedded in the image data in accordance with a second embedding method which uses secret information that is not made publicly available, and a second extracting unit extracts the first information from the third information.
摘要翻译：提取装置根据使用公开可用信息的第一嵌入方法从图像数据中提取第一信息，第一信息被嵌入在图像数据中。第一提取单元从图像数据中提取包括第一信息和第二信息的第三信息，根据使用不公开的秘密信息的第二嵌入方法将第三信息嵌入在图像数据中，第二提取单元单元从第三信息中提取第一信息。

72. 发明授权

US06839146B1 Image processing method, apparatus, and medium storing program for checking for copy-prohibited objects 失效
标题翻译：用于检查禁止拷贝的物体的图像处理方法，装置和介质存储程序
公开(公告)号：US06839146B1
公开(公告)日：2005-01-04
申请号：US09535975
申请日：2000-03-27
申请人： Yoshihiro Ishida , Keiichi Iwamura , Takeshi Makita
发明人： Yoshihiro Ishida , Keiichi Iwamura , Takeshi Makita
IPC分类号： B41J29/38 , B41J29/00 , G03G21/00 , H04N1/00 , H04N1/40 , G06F3/12 , G06F13/00
CPC分类号： H04N1/00843
摘要： A configuration is provided in which whether or not an article to be copied by a scanner is a copy-prohibited article such as a bill can be judged in a relatively short period of time. First, a copy object is prescanned by a scanner and read in rough pixel density, and with respect to the image, whether or not a copy object is a copy-prohibited article is checked. After completion of checking, main scanning is carried out to obtain a desired image of high density. As the result of the checking, the possibility that a copy object is a copy-prohibited article is examined, and when the possibility is low, said image of high density is output, and when the possibility is high, the image is checked again. As the result of checking, the possibility that a copy object is a copy-prohibited article is examined, and when the possibility is high, processing that the image is totally coated is carried out to output an unnormal image, and when the possibility is low, a normal image is output.
摘要翻译：提供了一种配置，其中可以在相对较短的时间段内判断由扫描器复制的物品是否是诸如纸币的禁止拷贝的物品。首先，由扫描仪预处理复制对象，并以粗略的像素密度读取，并且相对于图像，检查复制对象是否是禁止拷贝的物品。在完成检查之后，进行主扫描以获得高密度的期望图像。作为检查的结果，检查复制对象是禁止拷贝的物品的可能性，并且当可能性低时，输出所述高密度的图像，并且当可能性高时，再次检查图像。作为检查的结果，检查复制对象是禁止复制品的可能性，并且当可能性高时，执行图像被完全涂覆的处理以输出非正常图像，并且当可能性低时输出正常图像。

73. 发明授权

US06671675B2 Metering the flow of electronic information 失效
标题翻译：计量电子信息流
公开(公告)号：US06671675B2
公开(公告)日：2003-12-30
申请号：US08806338
申请日：1997-02-26
申请人： Keiichi Iwamura
发明人： Keiichi Iwamura
IPC分类号： G06F1300
CPC分类号： G07F15/00 , G06F21/10 , G06F2221/0797 , G06F2221/2135 , G06Q20/1235 , G06Q20/14 , G06Q40/12
摘要： An accounting device of the invention cooperates with a terminal station which is used for the user to use information (“provided information”) from an information provider and includes, a first input unit for inputting first data PIDi and PIDj regarding the contents of provided information, a second input unit for inputting second data TIDi and TIDj which is concerned with the provided information and is not concerned with the contents, a third input unit for inputting third data PPC indicative of money information, and a checking unit for discriminating a permission or an inhibition of the use of the information at the terminal station by using at least one of the first and second, and third data. The checking unit outputs a discrimination result about the permission or inhibition of the use to the external of the accounting device, thereby properly inhibiting the illegal use of the terminal station and contributing to a spread of a network terminal apparatus.
摘要翻译：本发明的会计装置与用于使用者从信息提供者使用信息（“提供的信息”）的终端进行配合，并且包括：第一输入单元，用于输入关于所提供信息的内容的第一数据PIDi和PIDj 第二输入单元，用于输入与所提供的信息有关的第二数据TIDi和TIDj，并且不涉及内容;第三输入单元，用于输入指示货币信息的第三数据PPC;以及检查单元，用于区分许可或通过使用第一和第二和第三数据中的至少一个来禁止终端处的信息的使用。检查单元向会计装置的外部输出关于允许或禁止使用的鉴别结果，从而适当地禁止终端的非法使用并有助于网络终端装置的扩展。

74. 发明授权

US06513118B1 Electronic watermarking method, electronic information distribution system, image filing apparatus and storage medium therefor 失效
标题翻译：电子水印方法，电子信息分发系统，图像归档装置及其存储介质
公开(公告)号：US06513118B1
公开(公告)日：2003-01-28
申请号：US09234317
申请日：1999-01-21
申请人： Keiichi Iwamura
发明人： Keiichi Iwamura
IPC分类号： H04L930
CPC分类号： H04L63/0464 , G06Q20/382 , G06Q20/401 , G06T1/005 , G06T2201/0063 , H04L2463/103 , H04N1/32144 , H04N1/32272 , H04N2201/3233 , H04N2201/327 , H04N2201/3281
摘要： An electronic information distribution system that exchanges data across a network at the least comprises a first entity, including first encryption means, for performing a first encryption process for the original data, a second entity, including management distribution means for, at the least, either managing or distributing the data that are provided by the first encryption process, and including electronic watermark embedding means for embedding an electronic watermark in the data, and a third entity, including second encryption means for performing a second encryption of the data in which an electronic watermark is embedded.
摘要翻译：一种通过网络交换数据的电子信息分配系统至少包括第一实体，包括用于对原始数据执行第一加密处理的第一加密装置，第二实体，包括管理分配装置，至少至少两者管理或分发由第一加密处理提供的数据，并且包括用于在数据中嵌入电子水印的电子水印嵌入装置，以及第三实体，包括第二加密装置，用于对数据执行第二加密，其中电子嵌入水印。

75. 发明授权

US5828752A Pseudo-random number generator and communication system employing the same 失效
标题翻译：伪随机数发生器及其采用的通信系统
公开(公告)号：US5828752A
公开(公告)日：1998-10-27
申请号：US402366
申请日：1995-03-13
申请人： Keiichi Iwamura , Takahisa Yamamoto
发明人： Keiichi Iwamura , Takahisa Yamamoto
IPC分类号： G09C1/00 , H04L9/22 , H04L9/00 , G06F7/58
CPC分类号： H04L9/0662 , H04L2209/12
摘要： A communication apparatus through which encryption/decryption processing can be executed at high speed includes a CPU for performing overall control of the apparatus, an encryption unit for encrypting communication data that has been stored in a RAM and outputting encrypted data, and a decryption unit for decrypting encrypted data transmitted from an external communication apparatus and storing the decrypted data in the RAM. The decryption unit issues a request to generate a series of random numbers serving as an encryption key necessary in decryption processing of the encrypted data applied thereto. A pseudo-random number generating circuit generates random numbers and delivers them to the decryption unit. The encryption unit issues a request to generate a series of random numbers serving as an encryption key necessary in encryption. The pseudo-random number generating circuit generates random numbers and delivers them to the encryption unit. The latter generates a cryptogram sentence based upon these random numbers.
摘要翻译：可以高速执行加密/解密处理的通信装置包括用于执行装置的总体控制的CPU，用于加密存储在RAM中并输出加密数据的通信数据的加密单元，以及用于解密从外部通信装置发送的加密数据，并将解密的数据存储在RAM中。解密单元发出请求，生成一系列作为加密数据的加密密钥所必需的加密密钥的随机数。伪随机数生成电路生成随机数并将其传送到解密单元。加密单元发出请求以产生用作加密中所需的加密密钥的一系列随机数。伪随机数生成电路生成随机数并将其传送到加密单元。后者基于这些随机数生成密码句。

76. 发明授权

US5694330A Error correction method including erasure correction, and apparatus therefor 失效
标题翻译：包括擦除校正的纠错方法及其装置
公开(公告)号：US5694330A
公开(公告)日：1997-12-02
申请号：US230249
申请日：1994-04-20
申请人： Keiichi Iwamura , Takayuki Aizawa , Izumi Narita , Takatoshi Suzuki
发明人： Keiichi Iwamura , Takayuki Aizawa , Izumi Narita , Takatoshi Suzuki
IPC分类号： G06F11/10 , H03M13/00 , H03M13/15
CPC分类号： H03M13/151
摘要： A multiplier calculates a product S'(x)=S(x).multidot..lambda.(x) mod X.sup.d-1 of a syndrome polynomial S(x) generated by a syndrome generator and an erasure position polynomial .lambda.(x) generated by an erasure position polynomial generator, modulo X.sup.d-1. A constant multiplier sequentially multiplies coefficients of the polynomial S'(x) and the erasure position polynomial .lambda.(x) with a power of a primitive root .alpha. of a code. The power exponents in this multiplication are determined in units of coefficients. Every time this multiplication is executed, an adder sequentially adds predetermined combinations of products. A plurality of arithmetic and logic operations according to the numbers of correctable erasures and errors are sequentially executed using the sums. A divisor and dividend are selected in accordance with the number of erasures included in the code on the basis of the plurality of arithmetic and logic operation results. A division is executed using the selected divisor and dividend. A value at a position, discriminated to be an error position, of the code is corrected based on the division result, thus performing error correction including erasure correction with a simple circuit arrangement.
摘要翻译：乘数计算由校正子发生器产生的校正子多项式S（x）的乘积S'（x）= S（x）×λ（x）mod Xd-1以及由擦除产生的擦除位置多项式λ（x）位数多项式生成器，模Xd-1。常数乘法器将多项式S'（x）和擦除位置多项式λ（x）的系数与代码的原始根α的幂相乘。该乘法中的幂指数以系数为单位确定。每次执行该乘法时，加法器依次添加预定的乘积组合。使用这些和顺序地执行根据可校正的擦除和错误的数量的多个算术和逻辑运算。根据多个算术和逻辑运算结果，根据代码中包含的擦除次数来选择除数和除数。使用选定的除数和股息执行分割。基于分割结果来校正代码的被判定为错误位置的位置处的值，从而以简单的电路布置执行包括消失校正的纠错。

77. 发明授权

US5666419A Encryption device and communication apparatus using same 失效
标题翻译：加密装置及使用该加密装置的通信装置
公开(公告)号：US5666419A
公开(公告)日：1997-09-09
申请号：US350110
申请日：1994-11-29
申请人： Takahisa Yamamoto , Keiichi Iwamura
发明人： Takahisa Yamamoto , Keiichi Iwamura
IPC分类号： G06F7/72 , H04L9/30 , H04L9/00
CPC分类号： G06F7/728 , H04L9/0662 , H04L9/3006 , H04L2209/125
摘要： In a modular multiplication circuit which operates under the conditions 0
摘要翻译：在0

78. 发明授权

US5541937A Apparatus for uniformly correcting erasure and error of received word by using a common polynomial 失效
标题翻译：通过使用公共多项式均匀地校正接收字的擦除和误差的装置
公开(公告)号：US5541937A
公开(公告)日：1996-07-30
申请号：US362989
申请日：1994-12-23
申请人： Keiichi Iwamura
发明人： Keiichi Iwamura
IPC分类号： G11B20/18 , H03M13/00 , H03M13/13 , H03M13/15 , H04L1/00
CPC分类号： H03M13/151
摘要： A syndrome polynomial S(x) is generated based on a received word, an erasure locator polynomial .lambda.(x) is generated based on an erasure location, an error evaluator polynomial .omega.(x) is generated based on a polynomial M(x) which is a product S(x).multidot..lambda.(x) of the syndrome polynomial S(x) and the erasure locator polynomial .lambda.(x), a polynomial .tau.(x) which is a product .lambda.(x).multidot..sigma.(x) of the erasure locator polynomial .lambda.(x) and the error locator polynomial .sigma.(x) and a differentiation .tau.(x) of the polynomial .tau.(x) based on the polynomial M(x) and the erasure locator polynomial .lambda.(x), a dimension .alpha..sup.i is set to the error evaluator polynomial .omega.(x), the polynomial .tau.(x) and the differentiation .tau.'(x), and when .tau.(.alpha..sup.i)=0, the i-th symbol of the received word is corrected to .omega.(.alpha..sup.i)/.tau.'(.alpha..sup.i).
摘要翻译：基于接收到的字生成校正子多项式S（x），基于擦除位置生成擦除定位多项式λ（x），基于多项式M（x）生成错误评估多项式ω（x）是校正子多项式S（x）和擦除定位多项式λ（x）的乘积S（x）xλ（x），作为乘积λ（x）x sigma（x）的多项式τ 基于多项式M（x）和擦除定位多项式λ（x）的多项式τ（x）的擦除定位多项式λ（x）和误差定位多项式σ（x）和微分tau（x）将尺寸αi设置为误差评估器多项式ω（x），多项式τ（x）和微分tau'（x），当tau（αi）= 0时，接收到的字的第i个符号是修正为ω（αi）/ tau'（αi）。

79. 发明授权

US5535140A Polynominal-set deriving apparatus and method 失效
标题翻译：多项式导出装置和方法
公开(公告)号：US5535140A
公开(公告)日：1996-07-09
申请号：US183969
申请日：1994-01-21
申请人： Keiichi Iwamura
发明人： Keiichi Iwamura
IPC分类号： H03M13/03 , H03M13/15 , G11C29/00
CPC分类号： H03M13/132 , H03M13/033 , H03M13/15
摘要： A set of minimal polynomials for generating a multidimensional array for decoding algebraic geometric codes is derived at a high speed. In order to obtain a set of minimal polynomials F for generating a given multidimensional array, when sequentially updating a set of polynomials F, df.sub.n.sup.(i) are not directly calculated, and a newly introduced set of polynomials B and the set of polynomials F are updated using the highest-degree coefficient d.sub.i of polynomials which belong to the set of polynomials B. An array memory for storing a given multidimensional array u, and first and second polynomial memories for storing the set of polynomials F to be obtained and a set of auxiliary polynomials G, respectively, are provided. In the calculation of polynomials f.sup.(k) and df.sub.n+1.sup.(k), accessing operations for respective memories and accessed addresses are controlled in parallel depending on the degrees of polynomials f.sup.(k).
摘要翻译：用于生成用于解码代数几何代码的多维阵列的一组最小多项式被高速推导出来。为了获得用于产生给定的多维数组的一组最小多项式F，当顺序地更新多项式F的集合时，dfn（i）不被直接计算，并且新引入的多项式B和多项式F集合使用属于多项式组B的多项式的最高度系数di进行更新。用于存储给定的多维数组u的阵列存储器以及存储要获得的多项式F的集合的第一和第二多项式存储器分别提供辅助多项式G。在多项式f（k）和dfn + 1（k）的计算中，根据多项式f（k）的度数，并行地控制各存储器和访问地址的访问操作。

80. 发明授权

US08738917B2 Image data verification 有权
标题翻译：图像数据验证
公开(公告)号：US08738917B2
公开(公告)日：2014-05-27
申请号：US11278749
申请日：2004-10-14
申请人： Satoru Wakao , Keiichi Iwamura , Yasuhiro Nakamoto
发明人： Satoru Wakao , Keiichi Iwamura , Yasuhiro Nakamoto
IPC分类号： H04L9/32
CPC分类号： H04N1/32101 , H04L9/3247 , H04L2209/30 , H04N2201/3205 , H04N2201/3235 , H04N2201/3236
摘要： An image verification system includes an image input apparatus, image verification apparatus, and database apparatus. The image input apparatus generates verification information for image data by using a private key and adds the verification information and predetermined information unique to the image input apparatus to the image data. The image verification apparatus verifies that the image data has been altered or not by using the verification information and a public key corresponding to the private key. The database apparatus stores the public key in association with the predetermined information in the a storage unit and provides the public key to the image verification apparatus.
摘要翻译：图像验证系统包括图像输入装置，图像验证装置和数据库装置。图像输入装置通过使用私钥生成图像数据的验证信息，并将验证信息和图像输入装置唯一的预定信息与图像数据相加。图像验证装置通过使用验证信息和与私钥对应的公开密钥来验证图像数据是否被改变。数据库装置将与预定信息相关联的公钥存储在存储单元中，并将公钥提供给图像验证装置。

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