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    • 61. 发明授权
    • Object tracking device, object tracking method, and object tracking program
    • 物体跟踪装置,物体跟踪方法和物体跟踪程序
    • US08891821B2
    • 2014-11-18
    • US13263169
    • 2011-01-13
    • Yuji Sato
    • Yuji Sato
    • G06K9/00G06T7/20
    • G06T7/208G06T7/277G06T2207/10016G06T2207/20076
    • An object tracking apparatus is provided that enables the possibility of erroneous tracking to be further reduced. An object tracking apparatus (300) is an apparatus that tracks the position of an object displayed in video using a particle filter, and has: a feature calculation section (340) that generates a plurality of particles indicating candidates for the position of the object, and calculates a feature of an image of the object and features of images of the particles; a likelihood calculation section (350) that calculates, for each particle, the likelihood of that particle being the position of the object from similarity between a feature of an image of that particle and a feature of an image of the object; a position estimation section (360) that estimates the position of the object based on the calculated particle likelihood; and a likelihood correction section (390) that performs likelihood correction when there are a plurality of objects and a plurality of positions estimated in correspondence to these overlap.
    • 提供了一种能够进一步减少错误跟踪的可能性的对象跟踪装置。 物体跟踪装置(300)是使用粒子滤波器跟踪在视频中显示的对象的位置的装置,具有:特征计算部(340),其生成表示对象的位置的候选的多个粒子, 并计算对象的图像的特征和粒子的图像的特征; 对于每个粒子,对于该粒子的图像的特征与对象的图像的特征之间的相似度,计算该粒子的位置的可能性的似然度计算部(350) 位置估计部(360),其基于所计算的粒子似然率来估计所述对象的位置; 以及当存在多个对象时执行可能性校正的似然性校正部(390),并且与这些对应度对应地估计的多个位置。
    • 62. 发明授权
    • Information display apparatus
    • 信息显示装置
    • US08558758B2
    • 2013-10-15
    • US13258828
    • 2010-03-26
    • Yuji SatoKen Ishikawa
    • Yuji SatoKen Ishikawa
    • G09G5/00
    • G03B5/00B60K35/00B60K2350/2013B60K2350/2052B60K2350/352G02B27/01G02B27/017G02B27/64G02B2027/0138G02B2027/014G02B2027/0187
    • An information display apparatus which improves the position accuracy of superimposed displays. In a navigation apparatus, a position relationship detection unit acquires, as position information, the relationship between the position of the vehicle and the actual position where an object to be displayed in a superimposing manner should exist in the landscape, a vehicle attitude detection ECU acquires the attitude information of the vehicle, and a facial orientation recognition ECU acquires the facial orientation information of the driver. A display position determining unit determines the display position of the object on an HMD and HUD based on the position information, attitude information, and facial orientation information, and a display image generation unit performs control so as to display the object at the display position at the HMD, etc.
    • 一种提高叠加显示器的位置精度的信息显示装置。 在导航装置中,位置关系检测单元获取作为位置信息的车辆的位置与重叠显示对象的实际位置之间的关系应存在于风景中,车辆姿态检测ECU获取 车辆的姿势信息和面部姿态识别ECU获取驾驶员的面部姿态信息。 显示位置确定单元基于位置信息,姿态信息和面部方向信息来确定HMD和HUD上的对象的显示位置,并且显示图像生成单元执行控制以便在显示位置处显示对象 HMD等
    • 64. 发明申请
    • GUIDANCE DEVICE, GUIDANCE METHOD, AND GUIDANCE PROGRAM
    • 指导手段,指导方法和指导方案
    • US20130170706A1
    • 2013-07-04
    • US13821470
    • 2012-01-25
    • Toshihiro MoriYuji Sato
    • Toshihiro MoriYuji Sato
    • G06K9/00
    • G06K9/00791G01C21/3602G01C21/3644
    • Image recognition is performed based on a surrounding image and a recognition template used for the image recognition of a marker object, and a recognition confidence level used for determining if the marker object can be recognized in the surrounding image is calculated. A determination is made if the recognition confidence level has increased as compared with the recognition confidence level calculated based on the surrounding image acquired at the guidance output point. If it is determined that the recognition confidence level has increased, the image of the marker object, generated based on the surrounding image acquired at the guidance output point, is stored as a new template to be used for the image recognition of the marker object. This increases the possibility to recognize the marker object based on the new template, thus increasing the recognition accuracy of the marker object.
    • 基于用于标记对象的图像识别的周围图像和识别模板来执行图像识别,并且计算用于确定是否可以在周围图像中识别标记对象的识别置信水平。 如果与基于在引导输出点获取的周围图像计算的识别置信度相比,识别置信水平增加,则确定。 如果确定识别置信水平已经增加,则基于在引导输出点获取的周围图像生成的标记对象的图像被存储为用于标记对象的图像识别的新模板。 这增加了基于新模板识别标记对象的可能性,从而增加了标记对象的识别精度。
    • 65. 发明授权
    • Image recognition device, copy apparatus and image recognition method
    • 图像识别装置,复印装置和图像识别方法
    • US08358848B2
    • 2013-01-22
    • US11858661
    • 2007-09-20
    • Yuji Sato
    • Yuji Sato
    • G06K9/46
    • G06K9/4642G06K2009/0059
    • An image recognition device of the invention includes an image reading means for reading image information from a manuscript, discriminating a specific image in which a surrounded image is surrounded by a surrounding image from the image information. The image recognition device includes a first determination means for determining whether the surrounding image is included in the image information or not and a second determination means for determining whether there is the specific image in the image information or not by extracting n×n images to be processed by dividing an extraction region positioned at the center of the surrounding image into n×n regions (“n” is an odd-number of three or more) when the first determination means determines that the surrounding image is included in the image information, then, by checking respective images to be processed with a specific image template.
    • 本发明的图像识别装置包括从原稿读取图像信息的图像读取装置,从图像信息中区分周围图像被周围的图像包围的特定图像。 图像识别装置包括用于确定周围图像是否包括在图像信息中的第一确定装置和用于通过提取n×n个图像来确定图像信息中是否存在特定图像的第二确定装置 当第一确定装置确定周围图像被包括在图像信息中时,通过将位于周围图像的中心的提取区域划分为n×n个区域(n为三个以上的奇数)来进行处理, 通过检查要用特定图像模板处理的各个图像。
    • 66. 发明授权
    • Transmission circuit and communication device
    • 传输电路和通信设备
    • US08346187B2
    • 2013-01-01
    • US12548808
    • 2009-08-27
    • Yuji Sato
    • Yuji Sato
    • H03C1/52H04B1/02
    • H04B1/04H03G3/3047H04B2001/0416H04W52/52
    • A transmission circuit broadens a controlled bandwidth of a voltage controller while ensuring voltage withstanding ability of the voltage controller. The transmission circuit includes a phase modulator outputting a phase modulation signal and a power amplifier including a transistor. The transmission circuit also includes a collector controller controlling a collector voltage, a base controller controlling a base bias voltage, and a switching controller, which switches, when a level indicated by the power level signal is lower than a predefined value, to control the collector controller in accordance with an amplitude signal and a power level signal, and which switches, when the level indicated by the power level signal is equal to or more than the predefined value, to control the base controller in accordance with the amplitude signal and the power level signal.
    • 传输电路拓宽了电压控制器的受控带宽,同时确保了电压控制器的耐压能力。 发送电路包括输出相位调制信号的相位调制器和包括晶体管的功率放大器。 传输电路还包括控制集电极电压的集电极控制器,控制基极偏置电压的基极控制器和开关控制器,当功率电平信号指示的电平低于预定值时,开关控制器切换控制集电极 控制器根据幅度信号和功率电平信号,并且当由功率电平信号指示的电平等于或大于预定义值时,切换根据振幅信号和功率来控制基本控制器 电平信号。
    • 68. 发明授权
    • Optical modulation device
    • 光调制装置
    • US08311371B2
    • 2012-11-13
    • US11884407
    • 2006-02-16
    • Kenji KawanoMasaya NanamiHiroaki SendaTakeshi HondoSeiji UchidaYuji SatoToru Nakahira
    • Kenji KawanoMasaya NanamiHiroaki SendaTakeshi HondoSeiji UchidaYuji SatoToru Nakahira
    • G02F1/035G02B6/42G02B6/12
    • G02F1/2255G02F1/0356G02F2001/212G02F2202/07G02F2202/20
    • Herein disclosed is an optical modulation device, comprising: a substrate 1 having a polarization non-reversal region 17a and a polarization reversal region 17b; an optical waveguide 18 including first and second branched optical waveguide portions 18a, 18b; and a traveling waveguide including a center electrode 19a and a ground electrode 19b, 19c to have an electric signal applied thereto, said traveling waveguide and said first and second branched optical waveguide portions collectively forming an interaction portion to have said incident light interacted with said electric signal, said interaction portion being constituted by a first interaction sub-portion 20a and a second interaction sub-portion 20b, said first and second interaction sub-portions being respectively positioned in regions of said substrate having opposite polarization orientations with each other, in which said center electrode is positioned in face to face relationship with one of said first and second branched optical waveguide portions at said first and second interaction sub-portion to ensure that said incident light in said first and second branched optical waveguide portions are phase modulated, and in which said interaction portion includes an optical waveguide shift sub-portion sandwiched between said first and second interaction sub-portions to have positions of said first and second branched optical waveguide portions shifted therein in a transverse direction, ensuring that positions of said first and second optical waveguides relative to said center and ground electrodes are interchanged between said first and second interaction sub-portions.
    • 这里公开了一种光调制装置,包括:具有极化非反转区域17a和极化反转区域17b的基板1; 包括第一和第二分支光波导部分18a,18b的光波导18; 以及具有施加电信号的中心电极19a和接地电极19b,19c的行进波导,所述行波导管和所述第一和第二分支光波导部分共同形成相互作用部分,以使所述入射光与所述电 信号,所述相互作用部分由第一相互作用子部分20a和第二相互作用子部分20b构成,所述第一相互作用子部分和第二相互作用子部分分别位于具有相反极化取向的所述基板的区域中,其中 所述中心电极在所述第一和第二相互作用子部分处于与所述第一和第二分支光波导部分中的一个相对面的关系,以确保所述第一和第二分支光波导部分中的所述入射光被相位调制,以及 其中所述相互作用部分包括光波导s 夹在所述第一相互作用子部分和第二相互作用子部分之间的折叠部分,以使所述第一和第二分支光波导部分在横向上移位的位置,确保所述第一和第二光波导相对于所述中心和接地电极的位置 在所述第一和第二相互作用子部分之间互换。
    • 69. 发明授权
    • Power supply circuit
    • 电源电路
    • US08107899B2
    • 2012-01-31
    • US12105724
    • 2008-04-18
    • Yuji Sato
    • Yuji Sato
    • H03C3/00H04B1/68
    • H03F1/0216H04B1/1607
    • Provided is a power supply circuit capable of operating with low noise and low power consumption. In a power supply circuit, a power level control signal Pa for controlling a power level of a power amplifier, and an internal current control signal Pb which is a result of smoothing the power level control signal Pa at predetermined time intervals, are inputted to an operational amplifier. The operational amplifier amplifies the power level control signal Pa, and controls an internal current thereof such that the internal current has a similar characteristic to that of the internal current control signal Pb. A power transistor amplifies an output of the operational amplifier, and supplies a voltage to the power amplifier.
    • 提供能够以低噪声和低功耗操作的电源电路。 在电源电路中,将用于控制功率放大器的功率电平的功率电平控制信号Pa和作为以预定时间间隔平滑功率电平控制信号Pa的结果的内部电流控制信号Pb输入到 运算放大器。 运算放大器放大功率电平控制信号Pa,并控制其内部电流,使得内部电流具有与内部电流控制信号Pb相似的特性。 功率晶体管放大运算放大器的输出,并向功率放大器提供电压。
    • 70. 发明授权
    • System and device for providing contents
    • 用于提供内容的系统和设备
    • US07912806B2
    • 2011-03-22
    • US11276272
    • 2006-02-21
    • Satoru YanagiYuji SatoMasatoshi KokuboKazuma Aoki
    • Satoru YanagiYuji SatoMasatoshi KokuboKazuma Aoki
    • G06F17/00G06N5/02
    • G06F17/30943
    • According to an aspect of the invention, there is provided a content providing system, which is provided with a data acquisition unit configured to obtain data inputted and/or outputted through a user interface which is included in an information processing device, an interest estimation unit that generates interest information representing a user's interest by estimating the user's interest based on the data acquired by the data acquisition unit, and a latest estimation result saving unit that saves latest interest information generated by the interest estimation unit so that contents reflecting the latest interest information can be provided to a user.
    • 根据本发明的一个方面,提供了一种内容提供系统,其具有:数据获取单元,被配置为获取通过包括在信息处理设备中的用户界面输入和/或输出的数据,兴趣估计单元 通过基于由数据获取单元获取的数据估计用户的兴趣,生成表示用户兴趣的兴趣信息;以及最新估计结果保存单元,其保存由兴趣估计单元生成的最新兴趣信息,使得反映最新兴趣信息的内容 可以提供给用户。