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    Managing software performance tests based on a distributed virtual machine system
    13.
    发明授权
    Managing software performance tests based on a distributed virtual machine system 有权
    基于分布式虚拟机系统管理软件性能测试

    公开(公告)号：US09529693B2

    公开(公告)日：2016-12-27

    申请号：US14190208

    申请日：2014-02-26

    Applicant: International Business Machines Corporation

    Inventor： Guoqiang Hu ,  Qi Cheng Li ,  Jian Wang ,  Yi Min Wang ,  Bo Yang

    IPC: G06F11/00 ,  G06F11/36

    CPC classification number: G06F11/3664 ,  G06F9/45558 ,  G06F11/362 ,  G06F2009/45591

    Abstract: Managing software performance debugging based on a distributed VM system is provided. In response to determining a debugging state of a software system running on a VM, a timing of a system clock of the VM is controlled. A data packet sent to the VM from another VM is intercepted, and an added system time and reference time that indicate when the packet was sent by the other VM is extracted from the packet. Based on the system and reference times, as well as a reference time of when the packet is intercepted, a timing at which the packet is expected to be received by the VM is calculated. The packet is forwarded to the VM as a function of a comparison of the timing at which the packet is expected to be received and a system time of the VM when the packet is intercepted.

    Abstract translation: 提供基于分布式VM系统管理软件性能调试。 响应于确定在VM上运行的软件系统的调试状态，VM的系统时钟的定时被控制。 从另一个VM发送到VM的数​​据分组被截取，并且从分组中提取指示何时由另一个VM发送分组的附加的系统时间和参考时间。 基于系统和参考时间，以及分组何时被截取的参考时间，计算VM预期分组被接收到的定时。 作为将数据包被预期接收到的定时与在分组被拦截时的VM的系统时间的比较的函数，分组被转发到VM。

    SCHEDULING DISCRETE EVENT SIMULATION
    15.
    发明申请
    SCHEDULING DISCRETE EVENT SIMULATION 有权
    调度离散事件模拟

    公开(公告)号：US20130304442A1

    公开(公告)日：2013-11-14

    申请号：US13868655

    申请日：2013-04-23

    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

    Inventor： Guoqiang Hu ,  Qi Cheng Li ,  Li Jun Mei ,  Fan Jing Meng ,  HuaFang Tan ,  Jian Wang ,  Yi Min Wang ,  Zi Yu Zhu

    IPC: G06F17/50

    CPC classification number: G06F17/5009

    Abstract: The present invention provides a method, apparatus, and non-transitory article of manufacture embodying computer readable instructions for scheduling discrete event simulation. One embodiment of the present invention is a method for scheduling discrete event simulation. The method includes: extracting two or more event types in the discrete event simulation in response to having loaded the discrete event simulation; constructing a correlation graph used for the discrete event simulation based on the two or more event types; and scheduling events that are classified into the two or more event types according to the correlation graph wherein each node in the correlation graph describes one of the two or more event types, and an edge in the correlation graph describes the creation or dependency relationship between the two or more event types. Other embodiments of the present invention provide an apparatus and computer program product for scheduling discrete event simulation.

    Abstract translation: 本发明提供了体现用于调度离散事件模拟的计算机可读指令的方法，装置和非暂时性制品。 本发明的一个实施例是用于调度离散事件模拟的方法。 该方法包括：响应于加载离散事件模拟，在离散事件模拟中提取两个或更多个事件类型; 基于两个或多个事件类型构建用于离散事件模拟的相关图; 以及根据相关图分类为所述两个或更多个事件类型的调度事件，其中所述相关图中的每个节点描述所述两个或更多个事件类型中的一个，并且所述相关图中的边界描述所述关联图中的所述创建或依赖关系 两个或多个事件类型。 本发明的其他实施例提供了一种用于调度离散事件模拟的装置和计算机程序产品。

    Character recognition of license plate under complex background
    16.
    发明授权
    Character recognition of license plate under complex background 有权

    公开(公告)号：US11615634B2

    公开(公告)日：2023-03-28

    申请号：US17365045

    申请日：2021-07-01

    Applicant: International Business Machines Corporation

    Inventor： Sheng Nan Zhu ,  Guoqiang Hu ,  Yuan Yuan Ding ,  Peng Ji ,  Fan Li ,  Jian Xu

    IPC: G06V20/62 ,  G06K9/62 ,  G06N3/08 ,  G06V30/148 ,  G06V30/10

    Abstract: A system, method, and computer program product provides a way to separate connected or adhered adjacent characters of a digital image for license plate recognition. As a threshold processing, the method performs a recognition of character adhesion by obtaining character parameters using an image processor. The parameters include a horizontal max crossing and a ratio of width and height. A first rule-based module is used responsive to the character parameters to distinguish the adhered characters (character adhesions) that are easy to judge, leaving the uncertain part to a character adhesion classifier model for discrimination. Character adhesion data is obtained by data augmentation including the adding of a random distance between two single characters to create class like adhered characters. Then the character adhesion classifier model of single character and character adhesion data is trained. Any uncertain part can be distinguished by the trained character adhesion classifier model.

    Road network generation
    17.
    发明授权
    Road network generation 有权

    公开(公告)号：US10452810B2

    公开(公告)日：2019-10-22

    申请号：US14868744

    申请日：2015-09-29

    Applicant: International Business Machines Corporation

    Inventor： Guoqiang Hu ,  Jiandong Ding ,  Peng Ji ,  Ning Duan ,  Jun Zhu

    IPC: G06G7/48 ,  G06F17/50 ,  G01C21/32

    Abstract: A method and an apparatus for generating a road network are disclosed. The method for generating a road network comprises: aggregating a plurality of grid cells partitioned in advance on a trajectory map based on trajectories in each grid cell of the plurality of grid cells to form level-1 regions; and generating a link of the road network by merging a level-1 region having two valid neighbors with its neighbor level-1 regions having two valid neighbors.

    MANAGING SOFTWARE PERFORMANCE TESTS BASED ON A DISTRIBUTED VIRTUAL MACHINE SYSTEM
    20.
    发明申请
    MANAGING SOFTWARE PERFORMANCE TESTS BASED ON A DISTRIBUTED VIRTUAL MACHINE SYSTEM 审中-公开
    基于分布式虚拟机系统管理软件性能测试

    公开(公告)号：US20170024309A1

    公开(公告)日：2017-01-26

    申请号：US15284977

    申请日：2016-10-04

    Applicant: International Business Machines Corporation

    Inventor： Guoqiang Hu ,  Qi Cheng Li ,  Jian Wang ,  Yi Min Wang ,  Bo Yang

    IPC: G06F11/36 ,  G06F9/455

    CPC classification number: G06F11/3664 ,  G06F9/45558 ,  G06F11/362 ,  G06F2009/45591

    Abstract: Managing software performance debugging based on a distributed VM system is provided. In response to determining a debugging state of a software system running on a VM, a timing of a system clock of the VM is controlled. A data packet sent to the VM from another VM is intercepted, and an added system time and reference time that indicate when the packet was sent by the other VM is extracted from the packet. Based on the system and reference times, as well as a reference time of when the packet is intercepted, a timing at which the packet is expected to be received by the VM is calculated. The packet is forwarded to the VM as a function of a comparison of the timing at which the packet is expected to be received and a system time of the VM when the packet is intercepted.

    Abstract translation: 提供基于分布式VM系统管理软件性能调试。 响应于确定在VM上运行的软件系统的调试状态，VM的系统时钟的定时被控制。 从另一个VM发送到VM的数​​据分组被截取，并且从分组中提取指示何时由另一个VM发送分组的附加的系统时间和参考时间。 基于系统和参考时间，以及分组何时被截取的参考时间，计算VM预期分组被接收到的定时。 作为将数据包被预期接收到的定时与在分组被拦截时的VM的系统时间的比较的函数，分组被转发到VM。

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