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    • 33. 发明申请
    • Correcting device and method for perspective transformed document images
    • 用于透视变换的文档图像的校正装置和方法
    • US20080226171A1
    • 2008-09-18
    • US12076122
    • 2008-03-13
    • Xu-Cheng YinJun SunKatsuhito FujimotoHiroaki TakebeKoji KurokawaYusaku FujiSatoshi Naoi
    • Xu-Cheng YinJun SunKatsuhito FujimotoHiroaki TakebeKoji KurokawaYusaku FujiSatoshi Naoi
    • G06K9/34
    • G06K9/3283G06K2009/363
    • This invention provides a correcting device and a correcting method for perspective transformation of document images. The correcting device comprises a horizontal vanishing point determining unit, for detecting a horizontal vanishing point of the perspective transformed document image; a vertical vanishing point determining unit, for detecting a vertical vanishing point of the perspective transformed document image; and a perspective transformation correcting and converting unit, for correcting the perspective transformed document image; wherein the horizontal vanishing point determining unit comprises a direct horizontal line segment detecting unit, an indirect horizontal line segment detecting unit and a horizontal vanishing point detecting unit, and wherein the horizontal vanishing point detecting unit detects a horizontal vanishing point in accordance with a direct horizontal line segment detected by the direct horizontal line segment detecting unit and an indirect horizontal line segment detected by the indirect horizontal line segment detecting unit.
    • 本发明提供了一种用于文件图像的透视变换的校正装置和校正方法。 校正装置包括水平消失点确定单元,用于检测透视变换文档图像的水平消失点; 垂直消失点确定单元,用于检测透视变换文档图像的垂直消失点; 以及透视变换校正和转换单元,用于校正透视变换的文档图像; 其中,所述水平消失点确定单元包括直接水平线段检测单元,间接水平线段检测单元和水平消失点检测单元,并且其中所述水平消失点检测单元根据直接水平检测水平消失点 由直接水平线段检测单元检测的线段和由间接水平线段检测单元检测的间接水平线段。
    • 37. 发明授权
    • Method, system and device for recovering service
    • 用于恢复服务的方法,系统和设备
    • US08797841B2
    • 2014-08-05
    • US13016708
    • 2011-01-28
    • Jun Sun
    • Jun Sun
    • G01R31/08
    • H04L45/00H04L41/0654H04L41/0677H04L45/28H04L45/50H04L47/10
    • A method, system and device for recovering services are provided, which relate to the field of communication. The method includes the following steps. Working resources of a Traffic Engineering (TE) link in a network are set to a shared MESH recovery state, and information of the shared MESH recovery state is flooded into the network, in which the information of the shared MESH recovery state is used to broadcast that the failure recovery mode of the working resources of the TE link is a band-level shared MESH recovery mode; whether the TE link fails is detected; and when detecting that the TE link fails, services on the working resources of the TE link are recovered by switching the N band-level FA LSPs on the TE link to the corresponding N band-level shared MESH recovery paths. The technical solutions reduce service recovery time and satisfy service requirements of customers while increasing bandwidth resource usage rate.
    • 提供了一种与通信领域相关的恢复服务的方法,系统和设备。 该方法包括以下步骤。 将网络中的流量工程(TE)链路的工作资源设置为共享MESH恢复状态,并将共享MESH恢复状态的信息淹没到网络中,其中共享MESH恢复状态的信息用于广播 TE链路工作资源的故障恢复模式是带级共享MESH恢复模式; 是否检测到TE链路故障; 当TE链路检测到故障时,通过将TE链路上的N个带级FA LSP切换到相应的N个带级共享的MESH恢复路径,恢复TE链路工作资源的业务。 技术方案可以减少业务恢复时间,满足客户的业务需求,同时提高带宽资源使用率。