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    • 87. 发明授权
    • Histogram interval selection
    • 直方图间隔选择
    • US09244957B1
    • 2016-01-26
    • US13731614
    • 2012-12-31
    • Rama Krishna KorlapatiSung Jin KimTri Minh Tran
    • Rama Krishna KorlapatiSung Jin KimTri Minh Tran
    • G06F17/30
    • G06F17/30463
    • A database system may include an array of storage devices configured to store a plurality of database tables and a plurality of histograms. Each histogram may correspond to one or more columns of a database table. The database system may further include a processor in communication with the storage device. The processor may receive an indication that a histogram is to be rebuilt, wherein the histogram has a first number of intervals. The processor may determine at least one condition associated with a distribution of column values of at least one column in the histogram. The processor may determine a second number of histogram intervals based on the at least one condition. The processor may rebuild the histogram to include the second number of intervals. A method and computer-readable medium may also be implemented.
    • 数据库系统可以包括被配置为存储多个数据库表和多个直方图的存储设备阵列。 每个直方图可以对应于数据库表的一个或多个列。 数据库系统还可以包括与存储设备通信的处理器。 处理器可以接收要重建直方图的指示,其中直方图具有第一数量的间隔。 处理器可以确定与直方图中的至少一列的列值的分布相关联的至少一个条件。 处理器可以基于至少一个条件来确定第二数量的直方图间隔。 处理器可以重建直方图以包括第二数量的间隔。 还可以实现方法和计算机可读介质。
    • 89. 发明授权
    • Surveillance system
    • 监视系统
    • US09030555B2
    • 2015-05-12
    • US12625614
    • 2009-11-25
    • Sung Jin KimHyoung Hwa YoonJae Shin Yu
    • Sung Jin KimHyoung Hwa YoonJae Shin Yu
    • H04N7/18G06K9/00G08B13/196
    • G08B13/1968G08B13/19652G08B13/19682
    • A method of operating a surveillance system having a display unit configured to display a surveillance image includes acquiring the surveillance image from at least one acquisition device. The method also includes setting surveillance event that includes setting a desired surveillance object indicating an attribute of the surveillance event. Further, the method includes displaying the selected surveillance object with the acquired surveillance image on the display unit to indicate the set surveillance event and analyzing the acquired surveillance image to determine whether the set surveillance event has occurred. In addition, the method includes performing an indicating operation in the surveillance system in response to the occurrence of the set surveillance event.
    • 操作具有被配置为显示监视图像的显示单元的监视系统的方法包括从至少一个采集设备获取监视图像。 该方法还包括设置监视事件,包括设置指示监视事件的属性的期望的监视对象。 此外,该方法包括在所述显示单元上显示所获取的监视图像的所选择的监视对象,以指示所设置的监视事件并分析所获取的监视图像,以确定所设置的监视事件是否已经发生。 此外,该方法包括响应于所设置的监视事件的发生而在监视系统中执行指示操作。