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    • 3. 发明申请
    • APPROACHING OBJECT DETECTION SYSTEM
    • 接近目标检测系统
    • US20110228985A1
    • 2011-09-22
    • US13129869
    • 2009-11-19
    • Yoshitaka UchidaToshiyuki Aoki
    • Yoshitaka UchidaToshiyuki Aoki
    • G06K9/00
    • G06T7/215G06T2207/10016G06T2207/20068G06T2207/20132G06T2207/30261
    • An approaching object detection system, approaching object can be accurately detected while reducing the load on a calculation processing. A first moving region detection unit (30) detects (#3) only an optical flow substantially in horizontal direction in an image (P) captured by a camera (10) (#1) and sets (#4) a rectangular image portion (Q) containing a region moving in a substantially horizontal direction according to the detected optical flow. A second moving region detection unit (40) obtains a distribution (profile) of signal values of the set rectangular image portion (Q), (#5) in a vertical direction (longitudinal direction). Furthermore, the second moving region detection unit (40) correlates distributions of signal values of image portions (Q, Q) of two continuous images (P, P) in time series (#6) based on dynamic programming based processing to obtain an enlargement rate (#7). An approaching object determining unit (50) determines according to the enlargement rate whether the object is actually approaching.
    • 可以在减少计算处理的负荷的同时,准确地检测到接近物体检测系统。 第一移动区域检测单元(30)仅检测由照相机(10)拍摄的图像(P)中基本上水平方向的光流(#1)(#1),并且将(#4)矩形图像部分 Q)包含根据检测到的光流在大致水平方向移动的区域。 第二移动区域检测单元(40)获得垂直方向(纵向)上的设定矩形图像部分(Q),(#5)的信号值的分布(分布)。 此外,第二移动区域检测单元(40)基于基于动态规划的处理将时间序列(#6)中的两个连续图像(P,P)的图像部分(Q,Q)的信号值的分布相关联,以获得放大 率(#7)。 接近对象确定单元(50)根据放大率确定对象是否实际接近。
    • 4. 发明申请
    • Relay unit, terminal device, communication system, and communication control method
    • 中继单元,终端设备,通信系统和通信控制方法
    • US20060209855A1
    • 2006-09-21
    • US11349230
    • 2006-02-08
    • Yoshitaka UchidaNorihiro Ishikawa
    • Yoshitaka UchidaNorihiro Ishikawa
    • H04L12/56
    • H04L29/12066H04L61/1511
    • A relay unit capable of inquiring of a DNS comprises: an inquiry section which transfers an acquisition request of a transmission destination terminal address, sent from a transmission source terminal, to the DNS, and acquires the transmission destination terminal address and a transmission destination label corresponding to the transmission destination terminal address and transmission destination terminal; a label creation section which creates a unique relay label; a label storage section which correlates the created relay label to the acquired transmission destination terminal address and transmission destination label, and stores thus obtained label; a label transmission section which transmits the relay label and a private address of the relay unit to the transmission source terminal; and a determination section which, if a packet containing the relay label is received from the transmission source terminal, determines that the transmission destination terminal address and transmission destination label corresponding to the relay label are an address and a label related to a transmission destination or a relay destination of the packet.
    • 能够查询DNS的中继单元包括:将从发送源终端发送的发送目的地终端地址的获取请求传送给DNS的查询部,并且获取发送目的地终端地址和发送目的地标签对应 到发送目的地终端地址和发送目的地终端; 标签创建部分,其创建唯一的中继标签; 将所生成的中继标签与所获取的发送目的地终端地址和发送目的地标签相关联的标签存储部,并存储由此获得的标签; 标签发送部,其将所述中继标识和所述中继单元的专用地址发送到所述发送源终端; 以及确定部,如果从所述发送源终端接收到包含所述中继标签的分组,则确定与所述中继标签相对应的发送目的地终端地址和发送目的地标签是与发送目的地相关的地址和标签, 分组的中继目的地。