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    INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, INFORMATION PROCESSING DEVICE AND CONTROL METHOD AND CONTROL PROGRAM THEREOF, AND COMMUNICATION TERMINAL AND CONTROL METHOD AND CONTROL PROGRAM THEREOF
    3.
    发明申请
    INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, INFORMATION PROCESSING DEVICE AND CONTROL METHOD AND CONTROL PROGRAM THEREOF, AND COMMUNICATION TERMINAL AND CONTROL METHOD AND CONTROL PROGRAM THEREOF 有权
    信息处理系统，信息处理方法，信息处理装置及其控制方法及其控制程序，以及通信终端及其控制方法及其控制程序

    公开(公告)号：US20150098610A1

    公开(公告)日：2015-04-09

    申请号：US14365008

    申请日：2012-12-07

    Applicant: NEC Corporation

    Inventor： Toshiyuki Nomura ,  Akio Yamada ,  Kota Iwamoto ,  Ryota Mase

    IPC: G06K9/00 ,  G06Q10/08 ,  G06K9/46

    CPC classification number: G06K9/00744 ,  G06F17/30256 ,  G06K9/00671 ,  G06K9/00771 ,  G06K9/4609 ,  G06K9/4671 ,  G06Q10/06 ,  G06Q10/087 ,  G06Q10/10 ,  G06Q50/10

    Abstract: Merchandise management is implemented by recognizing a piece of merchandise in an image on a video in real time. A piece of merchandise and m-number of first local feature which are respectively 1-dimensional to i-dimensional feature vectors are stored after being associated with each other, n-number of feature points are extracted from an image on a video captured by an imaging unit, n-number of second local feature which are respectively 1-dimensional to j-dimensional feature vectors are generated, a smaller number of dimensions of the number of dimensions i and the number of dimensions j is selected, and a recognition that the merchandise exists in the image on the video is made when it is determined that a prescribed proportion or more of the m-number of first local feature of the selected number of dimensions correspond to the n-number of second local feature of the selected number of dimensions.

    Abstract translation: 通过实时识别视频中的图像中的商品来实现商品管理。 在相互关联的情况下存储分别为1维至i维特征向量的商品和m个第一局部特征，并从由图像捕获的视频上的图像中提取n个特征点 生成成像单元，生成分别为1维至j维特征向量的n个第二局部特征，选择尺寸数量i和维数j的较小维数，以及 当确定所选择的维数的m个第一局部特征的规定比例或更多的数量对应于所选择的数量的第二局部特征的n个数时，在视频上的图像中存在商品 尺寸。

    Feature descriptor encoding apparatus, feature descriptor encoding method, and program
    5.
    发明授权
    Feature descriptor encoding apparatus, feature descriptor encoding method, and program 有权
    特征描述符编码装置，特征描述符编码方法和程序

    公开(公告)号：US09239850B2

    公开(公告)日：2016-01-19

    申请号：US14359229

    申请日：2012-11-15

    Applicant: NEC Corporation

    Inventor： Kota Iwamoto ,  Ryota Mase

    IPC: G06K9/36 ,  G06K9/46 ,  G06F17/30 ,  G06T9/00 ,  H04N19/54

    CPC classification number: G06F17/3028 ,  G06F17/30247 ,  G06K9/4642 ,  G06T9/00 ,  H04N19/54

    Abstract: An object of the present invention is to reduce the size of encoded feature descriptors. A feature descriptor encoding apparatus includes a feature point detection unit that detects feature points from an image and outputs coordinate values; a local feature descriptor extracting unit that extracts local feature descriptors from local regions centered on the coordinate values of the feature points; a coordinate value scanning unit that converts the coordinate values into index values according to a specific scanning method; a sorting unit that sorts the index values; a difference calculation unit that calculates a differential value between two adjacent index values of the sorted index values and outputs a sequence of differential values; a differential encoding unit that encodes the sequence of the differential values in a sequential permutation; and a local feature descriptor encoding unit that encodes the local feature descriptors of the corresponding feature points in the same permutation as that of the sorted index values.

    Abstract translation: 本发明的目的是减小编码特征描述符的大小。 特征描述符编码装置包括：特征点检测单元，其从图像检测特征点并输出坐标值; 局部特征描述符提取单元，从以特征点的坐标值为中心的局部区域提取局部特征描述符; 坐标值扫描单元，其根据特定的扫描方法将坐标值转换为索引值; 排序单元，对索引值进行排序; 差分计算单元，计算分类索引值的两个相邻索引值之间的差分值，并输出差分值序列; 差分编码单元，其对顺序排列中的差分值的序列进行编码; 以及本地特征描述符编码单元，其以与排序的索引值相同的排列对相应特征点的局部特征描述符进行编码。

    OBJECT IDENTIFICATION APPARATUS, OBJECT IDENTIFICATION METHOD, AND PROGRAM
    6.
    发明申请
    OBJECT IDENTIFICATION APPARATUS, OBJECT IDENTIFICATION METHOD, AND PROGRAM 有权
    对象识别装置，对象识别方法和程序

    公开(公告)号：US20150220810A1

    公开(公告)日：2015-08-06

    申请号：US14422842

    申请日：2013-05-21

    Applicant: NEC CORPORATION

    Inventor： Ryota Mase

    IPC: G06K9/62 ,  G06K9/52 ,  G06T5/00 ,  G06K9/46 ,  G06T3/00

    CPC classification number: G06K9/6202 ,  G06K9/46 ,  G06K9/4671 ,  G06K9/52 ,  G06K9/6211 ,  G06K2009/4666 ,  G06K2009/6213 ,  G06T3/00 ,  G06T5/006

    Abstract: An input image showing a same object as an object shown in a reference image is identified more accurately. A difference area in the input image is determined by converting a difference area in the reference image, on a basis of geometric transformation information calculated by an analysis using a local descriptor. By matching a descriptor extracted from the difference area in the input image with the difference area in the reference image, fine differences that cannot be identified by conventional matching using only a local descriptor can be distinguished and images showing a same object can be exclusively identified.

    Abstract translation: 更精确地识别表示与参考图像中所示的对象相同的对象的输入图像。 基于通过使用本地描述符的分析计算出的几何变换信息，通过转换参考图像中的差分区域来确定输入图像中的不同区域。 通过将从输入图像中的差分区域提取的描述符与参考图像中的差异区域相匹配，可以区分通过仅使用局部描述符的常规匹配不能识别的细微差异，并且可以专门识别示出相同对象的图像。

    Flood disaster prediction
    7.
    发明授权
    Flood disaster prediction 有权

    公开(公告)号：US11237148B2

    公开(公告)日：2022-02-01

    申请号：US16919579

    申请日：2020-07-02

    Applicant: NEC Corporation

    Inventor： Ryota Mase ,  Katsuhiro Ochiai

    IPC: G01N33/24 ,  G08B21/20

    Abstract: Moisture content information in soil at a specified site is acquired. Moisture content information a ground surface within a given range that includes the specified site is acquired. An amount of runoff or storage volume of water on the ground surface or in a ground at a freely-selected site in the given range is calculated based on the moisture content information in soil and the moisture content information at the ground. A degree of risk of flood disaster at the freely-selected site within the given range is calculated based on the amount of runoff or storage volume of water on the ground surface. A point where there is the risk of flood disaster within the given range is determined and highlighted based on the degree of risk of flood disaster.

    Disaster prediction system, moisture prediction device, disaster prediction method, and program recording medium
    10.
    发明授权
    Disaster prediction system, moisture prediction device, disaster prediction method, and program recording medium 有权

    公开(公告)号：US10330661B2

    公开(公告)日：2019-06-25

    申请号：US15755620

    申请日：2016-09-12

    Applicant: NEC Corporation

    Inventor： Ryota Mase ,  Katsuhiro Ochiai

    IPC: G01N33/24 ,  E02D17/20 ,  G01W1/14 ,  G08B21/20 ,  G08B21/10 ,  G08B31/00

    Abstract: In order to achieve highly accurate prediction across a wide area for disasters caused by rainfall, this disaster prediction system includes: soil moisture acquisition means that acquires amount of moisture in soil at a specified site, ground surface moisture acquisition means that acquires amount of moisture at a ground surface within a given range that includes the specified site, and estimation means estimates amount of moisture in soil at a freely-selected site in the given range or a parameter that indicates a property of soil at the freely-selected site in the given range, based on the amount of moisture in the soil at the specified site and the amount of moisture at the ground surface within the given range.

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