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    • 53. 发明授权
    • High performance, variable data width FIFO buffer
    • 高性能,可变数据宽度FIFO缓冲区
    • US06681273B1
    • 2004-01-20
    • US09652685
    • 2000-08-31
    • Michael AllenTim LandrethRyo InoueRavi Pratap Singh
    • Michael AllenTim LandrethRyo InoueRavi Pratap Singh
    • G06F1300
    • G06F5/10G06F2205/106
    • Methods and apparatus are provided for transferring data words from a source to a destination. The apparatus includes a datapath buffer coupled by a first data bus to the source and coupled by a second data bus to the destination, write control logic for writing a first number of data words in the datapath buffer in response to a first source transfer condition and for writing a second number of data words in the datapath buffer in response to a second source transfer condition, and read control logic for reading the first number of data words from the datapath buffer in response to a first destination transfer condition and for reading the second number of data words from the datapath buffer in response to a second destination transfer condition.
    • 提供了用于将数据字从源传送到目的地的方法和装置。 该装置包括数据路径缓冲器,其通过第一数据总线耦合到源并由第二数据总线耦合到目的地;写控制逻辑,用于响应于第一源传输条件将第一数量的数据字写入数据路径缓冲器;以及 用于响应于第二源传输条件在数据路径缓冲器中写入第二数量的数据字,以及用于响应于第一目的地传送条件从数据路径缓冲器读取第一数量数据字的读控制逻辑,并且用于读取第二数据字 来自数据路径缓冲器的响应于第二目的地传送条件的数据字数。
    • 54. 发明授权
    • Image processing system
    • 图像处理系统
    • US06205234B1
    • 2001-03-20
    • US08903726
    • 1997-07-21
    • Toshiaki KakinamiYoshikatsu KimuraRyo Inoue
    • Toshiaki KakinamiYoshikatsu KimuraRyo Inoue
    • G06K946
    • G08G1/167G06T7/12G06T2207/10016G06T2207/30256
    • The invention is directed to an image processing system, which includes an image sensor (DD) for introducing image information of an object to detect image data for indicating at least a density of the object. A scanning table memory (TM) is adapted to provide addresses in accordance with horizontal or vertical scanning lines, and provide a horizontal or vertical location information for each address. Also, the memory (TM) is adapted to provide a window on the basis of the location information and in accordance with the object, and store the window in a table memory. And, an image processor (DP) is adapted to provide a desired image on the basis of a logical product of the image data and the window. The memory (TM) is adapted to provide the window for the image which will be used at the next iteration step on the basis of the desired image formed by the image processor (DP). The memory (TM) may include a window setting unit (WM) which is adapted to set a x-coordinate and a y-coordinate to at least a reference point for each address on the basis of the image data provided for forming the desired image, and set a predetermined width to each reference point to provide the window and store the window in the table memory.
    • 本发明涉及一种图像处理系统,其包括用于引入对象的图像信息的图像传感器(DD),以检测用于指示对象的至少密度的图像数据。 扫描表存储器(TM)适于根据水平或垂直扫描线提供地址,并为每个地址提供水平或垂直位置信息。 此外,存储器(TM)适于基于位置信息并根据对象提供窗口,并将窗口存储在表存储器中。 并且,图像处理器(DP)适于基于图像数据和窗口的逻辑积提供期望的图像。 存储器(TM)适于为基于由图像处理器(DP)形成的期望图像在下一个迭代步骤中使用的图像提供窗口。 存储器(TM)可以包括窗口设置单元(WM),其适于基于为形成所需图像提供的图像数据将x坐标和y坐标设置为至少每个地址的参考点 并为每个参考点设置预定的宽度以提供窗口并将窗口存储在表存储器中。
    • 55. 发明授权
    • Method and apparatus for detecting a lane on a road
    • 用于检测道路上车道的方法和装置
    • US5991427A
    • 1999-11-23
    • US903729
    • 1997-07-31
    • Toshiaki KakinamiYoshikatsu KimuraRyo Inoue
    • Toshiaki KakinamiYoshikatsu KimuraRyo Inoue
    • G06K9/46G06K9/00
    • G06K9/4604
    • The invention is directed to a method and apparatus for detecting a lane on a road, the latter of which includes an edge sensor (ED) for detecting edges indicative of boundaries of opposite sides of each lane, an edge memory (EM) for storing the edges to form a couple of continuous lines of edge groups indicative of the opposite boundaries of the lane, and an image processor (DP) for defining the opposite boundaries of the lane on a plane in a three-dimensional geometry. A center of curvature defining device (RC) defines a center of curvature to the opposite boundaries of the lane. An edge line extracting device (ES) divides the edge groups stored in the edge memory into a plurality of continuous regions each having a predetermined length along a concentric circle arc having the same center as the center of curvature, and extracts a pair of edge lines from each region. A tangent defining device (TL) defines a couple of tangents to the edge lines, and a normal defining device (NL) defines a normal to the tangents. Then, a segment setting device (SD) defines a couple of intersections of the normal with the tangents, and sets a line segment between the intersections as a segment of the lane. The image processor (DP) renews the opposite boundaries of the lane on the basis of the segment of the lane.
    • 本发明涉及一种用于检测道路上的车道的方法和装置,该方法和装置包括用于检测指示每个车道的相对边界的边缘的边缘传感器(ED);边缘存储器(EM),用于存储 边缘以形成指示车道相反边界的一组连续的边缘组线,以及用于在三维几何形状的平面上限定车道相对边界的图像处理器(DP)。 曲率中心定义装置(RC)将曲率中心定义到车道的相对边界。 边缘线提取装置(ES)将存储在边缘存储器中的边缘组沿着具有与曲率中心相同中心的同心圆弧分割成具有预定长度的多个连续区域,并且提取一对边缘线 从每个地区。 切线定义装置(TL)定义了与边缘线相切的一对切线,并且正常的限定装置(NL)限定了切线的法线。 然后,段设定装置(SD)定义法线与切线的两对交点,并将交点之间的线段设置为车道的一段。 图像处理器(DP)基于车道段更新车道的相对边界。