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    • 13. 发明授权
    • Transport protocol conversion method and protocol conversion equipment
    • 传输协议转换方法和协议转换设备
    • US06785733B1
    • 2004-08-31
    • US09597825
    • 2000-06-19
    • Itaru MimuraToshiaki SuzukiKoichi Shibata
    • Itaru MimuraToshiaki SuzukiKoichi Shibata
    • G06F1516
    • H04L65/104H04L29/06H04L29/06027H04L65/103H04L65/607H04L69/08H04N21/23608
    • A transfer protocol conversion method and a protocol conversion equipment are disclosed in order to transmits TS packets for a CATV network, a DAVIC network or the like by use of IP packets for the Internet. In a network using TS packets, the transmission is made with an Internet protocol header stored in a private field of an adaptation field defined in the TS packet. An equipment for protocol conversion between a network using TS packets and an Internet forms an IP packet for the Internet by use of the header transferred by the private data. Further, lower 8 bits of the IP address of an IP packet and lower 8 bits of the PID value of a TS packet are made the same and upper 24 bits of the IP address are converted into a 5-bit value so that the converted 5-bit value is made to correspond to upper 5 bits of the PID value.
    • 公开了传输协议转换方法和协议转换设备,以便通过使用用于因特网的IP分组来传输CATV网络,DAVIC网络等的TS分组。 在使用TS分组的网络中,利用存储在TS分组中定义的适配字段的专用字段中的因特网协议头进行传输。 使用TS数据包的网络和Internet之间的协议转换的设备通过使用由私有数据传送的报头来形成用于因特网的IP分组。 此外,使IP分组的IP地址的低8位和TS分组的PID值的低8位相同,并且将IP地址的高24位转换为5位值,使得转换的5 位值对应于PID值的高5位。
    • 15. 发明授权
    • Apparatus for obtaining three-dimensional volume data of an object
    • 用于获得物体的三维体积数据的装置
    • US5305092A
    • 1994-04-19
    • US939463
    • 1992-09-02
    • Itaru MimuraTsuneya Kurihara
    • Itaru MimuraTsuneya Kurihara
    • G01B11/24G06T1/00G06T7/00H04N13/00
    • G06T7/0057G01B11/24G06T2207/10028
    • An apparatus for obtaining three-dimensional volume data indicative of the shape of an object by processing the video signal resulting from picking up the object has an image projector for projecting a two-dimensional reference optical image containing a large amount of spatial high-frequency components on the surface of the object, a two-dimensional image pickup device for sequentially picking up the image of the object on which the two-dimensional optical image is projected, while the focal plane is being shifted, a range finder for extracting the high-frequency components of an image signal of a very small region including each of a plurality of detection points on the image picked up by said image pickup device, and detecting the best focal plane position where an in-focus condition is given, for each of the plurality of detection points from the change of the high-frequency components with the shift of the focal plane, and a memory for storing data of the best focal plane detected for each of the detection points as the three-dimensional volume data of the object.
    • 一种用于通过处理由拾取物体产生的视频信号来获得指示对象的形状的三维体数据的装置具有投影包含大量空间高频分量的二维参考光学图像的图像投影仪 在物体的表面上,一个二维图像拾取装置,用于在焦平面被移动的同时顺序地拾取其上投影了二维光学图像的对象的图像,用于提取高分辨率图像的测距装置, 对于由所述图像拾取装置拾取的图像上的多个检测点中的每个检测点的非常小的区域的图像信号的频率分量,以及针对每个所述图像拾取装置检测提供对焦条件的最佳焦平面位置 来自高频分量随着焦平面偏移的变化的多个检测点,以及用于存储检测到的最佳焦平面的数据的存储器 对于每个检测点作为对象的三维体数据。
    • 19. 发明授权
    • Apparatus for detecting registration error using the image signal of the
same screen
    • 用于使用同一屏幕的图像信号检测注册错误的装置
    • US5170441A
    • 1992-12-08
    • US668245
    • 1991-03-12
    • Itaru MimuraNaoto Tomura
    • Itaru MimuraNaoto Tomura
    • H04N17/02G06T3/00H04N9/093H04N9/28H04N17/04
    • H04N17/04H04N9/28
    • A registration error detection apparatus which includes a circuit that sums up, for a plurality of adjacent pixels, absolute values of differences between a plurality of image component signals which form a same frame of picture, a circuit which detects the registration error based on the minimum value of the output signals provided by the summing circuit, a first evaluating circuit which evaluates the reliability of the detection result of registration error based on the differential signal between an input test signal and an input reference signal, a second evaluating circuit which evaluates the reliability based on differences between the average value of registration error and individual detection results, a third evaluating circuit which calculates the statistic deviation value of the BPF-processed test signal and the reference signal and evaluating the reliability based on the calculation result, and a circuit which makes a final judgement as to whether the detection result is to be accepted or rejected, based on the results of reliability judgement made by the first through third evaluating circuits.
    • 一种配准误差检测装置,包括对多个相邻像素求和,形成相同帧图像的多个图像分量信号之间的差异的绝对值的电路,基于最小值检测登记误差的电路 由求和电路提供的输出信号的值,第一评估电路,其基于输入测试信号和输入参考信号之间的差分信号来评估对准误差的检测结果的可靠性;评估可靠性的第二评估电路 基于登记误差的平均值和个体检测结果的差异,计算BPF处理的测试信号和参考信号的统计偏差值并根据计算结果评估可靠性的第三评估电路,以及电路 对检测结果是否进行最终判断 根据第一至第三评估电路的可靠性判断结果接受或拒绝。