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    • 2. 发明授权
    • Quasi-random number generation apparatus and method, and multiple
integration apparatus and method of function f
    • 准随机数生成装置及方法,多功能集成装置及方法f
    • US5872725A
    • 1999-02-16
    • US860336
    • 1997-09-25
    • Syoiti NinomiyaShu Tezuka
    • Syoiti NinomiyaShu Tezuka
    • G06F7/58G06F1/02
    • G06F7/58
    • A method of generating a low-discrepancy sequence at high speed including the steps of: (a) expanding an i-th coordinate value u.sup.(1) (1.ltoreq.i.ltoreq.k) of an n-th element (U.sub.n (1), . . . , U.sub.n (k)) of the low-discrepancy sequence in radix b, and storing m components generated by the expansion of each said coordinate value in sequence into a first storage, wherein the n is an integer equal to or more than 1 and the b is a prime number equal to or more than k; (b) expanding the number n in radix b, and storing the generated expansion (n.sub.m,.sup.(1), n.sub.m-1, . . . , n.sub.1) in sequence into a second storage; (c) scanning the second storage in sequence, and detecting a minimum order j, wherein n is not equal to b-1; (d) in response to the step (c), reading out j-th row components of a generator matrix T.sup.(1) for the i-th coordinate (1.ltoreq.i.ltoreq.k) of the low-discrepancy sequence, stored in advance, and the components generated by the expansion of said i-th coordinate value of the n-th element of the low-discrepancy sequence in sequence, and adding said j-th row components and the components generated by the expansion of the i-th coordinate value of th n-th element of the low-discrepancy sequence in modulo b, both read out in the same order, and storing the result of the addition in sequence into third storage.
    • PCT No.PCT / JP95 / 02439 Sec。 371日期:1997年9月30日 102(e)日期1997年9月30日PCT提交1995年11月28日PCT公布。 公开号WO96 / 18144 日期1996年6月13日高速生成低差异序列的方法包括以下步骤:(a)扩展n(n)的第i个坐标值u(1)(1 i = 将基数b中的低差异序列的第(...)个元素(Un(1),...,Un(k))存储,并将通过每个所述坐标值的扩展生成的m个分量存储到第一存储器中,其中 n是等于或大于1的整数,b是等于或大于k的质数; (b)以基数b扩展数n,并将生成的扩展(nm,(1),nm-1,...,n1)顺序存储到第二存储器中; (c)依次扫描第二存储器,并检测最小阶数j,其中n不等于b-1; (d)响应于步骤(c),读出低差异序列的第i个坐标(1
    • 3. 发明授权
    • Method for hiding message data into media data and a method for extracting that hidden data
    • 将消息数据隐藏到媒体数据中的方法以及用于提取隐藏数据的方法
    • US06286100B1
    • 2001-09-04
    • US08918572
    • 1997-08-22
    • Norishige MorimotoShu TezukaSyoiti Ninomiya
    • Norishige MorimotoShu TezukaSyoiti Ninomiya
    • H04L932
    • G06T1/0071G06T2201/0052H04N1/32154H04N2201/327H04N2201/328
    • A method for hiding message information into media information in frequency space. The data hiding method has high resistance to removal or change of message information embedded into media information and effectively maintain hidden message information even when signal processing is performed by employing a frequency filter. More specifically, in order to hide message information (m) into media information (M), the frequency transform of the message information (m) and the media information (M) are performed, and frequency spectra f1 and f2 are obtained. Next, from the frequency spectrum f2 of the message information (m), a region containing feature frequency components representative of the features of the message information (m) in real space is extracted as the base region B. Then, n copies of the base region B are generated, and in frequency space, the n copies are dispersedly arranged.
    • 用于将消息信息隐藏在频率空间中的媒体信息中的方法。 数据隐藏方法对于嵌入到媒体信息中的消息信息的去除或改变具有很高的抵抗力,并且即使在通过采用频率滤波器执行信号处理时也能有效地维护隐藏的消息信息。 更具体地,为了将消息信息(m)隐藏到媒体信息(M)中,执行消息信息(m)和媒体信息(M)的频率变换,并且获得频谱f1和f2。 接下来,从消息信息(m)的频谱f2中提取包含表示实际空间中的消息信息(m)的特征的特征频率成分的区域作为基本区域B.然后,将n个基站 产生区域B,并且在频率空间中,n个拷贝分散布置。
    • 4. 发明授权
    • Calculating financial risk of a portfolio using distributed computing
    • 使用分布式计算计算投资组合的财务风险
    • US07523059B2
    • 2009-04-21
    • US10890736
    • 2004-07-14
    • Shu TezukaHiroki Murata
    • Shu TezukaHiroki Murata
    • G06Q40/00G06F15/16
    • G06F21/6245G06Q40/00G06Q40/06
    • Protects a highly confidential parameter against leakage in a distributed computing system. An example distributed computing system causing a plurality of partial calculations to be performed includes parameter storage for storing a parameter set having a plurality of parameters, conversion means for converting a linear parameter, sending means for sending each of converted parameter sets in association with parameter identifying information for identifying the parameter set to cause each of a plurality of calculation processing devices to perform each of a plurality of partial calculations, conversion ratio storage means for storing a conversion ratio of a parameter, conversion ratio searching means for searching for a conversion ratio corresponding to a parameter identifying information, and inversion outputting means for generating a partial calculation result by multiplying a calculation result by an inverse number of the conversion ratio and for outputting a set of the partial calculation results.
    • 在分布式计算系统中保护高度机密的参数免受泄漏。 导致执行多个部分计算的示例性分布式计算系统包括用于存储具有多个参数的参数集的参数存储,用于转换线性参数的转换装置,用于发送与参数识别相关联的每个转换参数集的发送装置 用于识别用于使多个计算处理装置中的每一个执行多个部分计算中的每一个的参数集的信息;用于存储参数的转换比的转换比率存储装置;用于搜索对应的转换比的转换比搜索装置 以及反转输出装置,用于通过将计算结果乘以转换比的倒数来产生部分计算结果,并输出一组部分计算结果。
    • 5. 发明授权
    • Method and apparatus for generating low-discrepancy sequence, as well as
apparatus and method for calculating multiple integral of function f
    • 用于生成低差异序列的方法和装置,以及用于计算函数f的多个积分的装置和方法
    • US5790442A
    • 1998-08-04
    • US614597
    • 1996-03-13
    • Syoiti NinomiyaShu Tezuka
    • Syoiti NinomiyaShu Tezuka
    • G06F7/38
    • G06F7/38
    • A method and system are provided for generating a low-discrepancy sequence at high speed, comprising means for expanding an i-th coordinate value u.sub.n.sup.(i) (1.ltoreq.i.ltoreq.k) of an n-th element of the low-discrepancy sequence (u.sub.n.sup.i, . . . , u.sub.n.sup.(k)) in b scale, and storing m components created by the expansion of each value in sequence into a first storage means, wherein the above n is an integer equal to or more than 1 and the above b is a prime number equal to or more than k; means for expanding the number n in b scale, and storing the created expansion (n.sub.m, n.sub.m-1, . . . , n.sub.1) in sequence into a second storage means; means for scanning the second storage means in sequence, and detecting a minimum order j wherein nj is not equal to b-1; and means, respondent to the means for scanning, for reading out j-th row components of a low-discrepancy generator matrix T.sup.(i) stored in advance for an i-th coordinate value (1.ltoreq.i.ltoreq.k) of the element of the low-discrepancy sequence and the components created by the expansion of the i-th coordinate value of the element of the low-discrepancy sequence in sequence, and adding the j-th row components to the components created by said expansion read out in the same order in modulo b, and storing the result of the addition in sequence into a third storage means.
    • 提供了一种用于以高速产生低差异序列的方法和系统,包括用于扩展第i个坐标值的第i个坐标值un(i)(1 i = 并且将通过每个值的扩展产生的m个分量存储到第一存储装置中,其中上述n是等于或等于等于的整数 超过1,上述b是等于或大于k的质数; 用于以b量程扩展数量n并将所创建的扩展(nm,nm-1,...,n1)依次存储到第二存储装置中的装置; 用于依次扫描第二存储装置并检测最小次数j的装置,其中nj不等于b-1; 以及用于对第i个坐标值(1≤k≤k)预先存储的低差异生成矩阵T(i)的第j行分量进行读取的用于扫描的装置的装置, 的低偏差序列的元素和通过扩展低差异序列的元素的第i个坐标值而产生的分量,并将第j个行分量添加到由所述扩展产生的分量 以模b读出相同的顺序,并将相加的结果顺序地存储到第三存储装置中。
    • 8. 发明授权
    • Region calculation method, spatial data mining apparatus, geographical information display apparatus, spatial data mining system and storage medium
    • 区域计算方法,空间数据挖掘装置,地理信息显示装置,空间数据挖掘系统和存储介质
    • US07010564B2
    • 2006-03-07
    • US09840333
    • 2001-04-23
    • Yasuhiko MorimotoShu TezukaKazuyoshi Hidaka
    • Yasuhiko MorimotoShu TezukaKazuyoshi Hidaka
    • G06F15/16
    • G09B29/007G06F17/30241
    • It is one object of the present invention to perform regional optimization while taking spatial continuity into account, and to provide higher-level spatial data mining.[Constitution]A region calculation method for introducing a two-dimensional association rule, extracted from a database, that includes spatial information, such as addresses, and for applying the two-dimensional association rule for a map, comprises the steps of: defining an objective function that is used to introduce the two-dimensional association rule and that does not include regional information for which an output request has been submitted; dividing a region on the map into pixel grids having a predetermined size to form buckets (S101); aggregating data available in the database for each bucket (S103); employing the objective function to calculate a region for the optimization of the objective function (S104); extracting entities, appearing on the map, that correspond to the obtained region (S106); and employing the extracted entities to output a region that is applied for the map.
    • 本发明的一个目的是在考虑空间连续性的同时进行区域优化,并提供更高级别的空间数据挖掘。 [结构]用于引入从数据库提取的包括诸如地址的空间信息以及用于应用地图的二维关联规则的二维关联规则的区域计算方法包括以下步骤:定义一个 用于引入二维关联规则的目标函数,不包括提交输出请求的区域信息; 将地图上的区域划分为具有预定尺寸的像素栅格以形成桶(S101); 聚合数据库中可用于每个桶的数据(S103); 采用目标函数来计算用于优化目标函数的区域(S104); 提取与所获得的区域相对应的地图上出现的实体(S106); 并且使用提取的实体来输出应用于地图的区域。
    • 9. 发明申请
    • Distributed computing
    • 分布式计算
    • US20050021438A1
    • 2005-01-27
    • US10890736
    • 2004-07-14
    • Shu TezukaHiroki Murata
    • Shu TezukaHiroki Murata
    • G06F15/177G06F9/50G06F15/16G06F21/00G06Q40/00G06Q40/02G06Q40/06H04W88/00G06F17/60
    • G06F21/6245G06Q40/00G06Q40/06
    • Protects a highly confidential parameter against leakage in a distributed computing system. An example distributed computing system causing a plurality of partial calculations to be performed includes parameter storage for storing a parameter set having a plurality of parameters, conversion means for converting a linear parameter, sending means for sending each of converted parameter sets in association with parameter identifying information for identifying the parameter set to cause each of a plurality of calculation processing devices to perform each of a plurality of partial calculations, conversion ratio storage means for storing a conversion ratio of a parameter, conversion ratio searching means for searching for a conversion ratio corresponding to a parameter identifying information, and inversion outputting means for generating a partial calculation result by multiplying a calculation result by an inverse number of the conversion ratio and for outputting a set of the partial calculation results.
    • 在分布式计算系统中保护高度机密的参数免受泄漏。 导致执行多个部分计算的示例性分布式计算系统包括用于存储具有多个参数的参数集的参数存储,用于转换线性参数的转换装置,用于发送与参数识别相关联的每个转换参数集的发送装置 用于识别用于使多个计算处理装置中的每一个执行多个部分计算中的每一个的参数集的信息;用于存储参数的转换比的转换比率存储装置;用于搜索对应的转换比的转换比搜索装置 以及反转输出装置,用于通过将计算结果乘以转换比的倒数来产生部分计算结果,并输出一组部分计算结果。