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    • 13. 发明申请
    • Systems and Methods for Characterizing a Spatial Frequency of Interface Regions within a Subterranean Formation
    • 用于表征地层内界面区域的空间频率的系统和方法
    • US20160146003A1
    • 2016-05-26
    • US14830777
    • 2015-08-20
    • Lei WangRichard E. BeckhamScott R. Buechler
    • Lei WangRichard E. BeckhamScott R. Buechler
    • E21B49/00G01V11/00E21B7/00
    • G01V11/002E21B44/00
    • Systems and methods for characterizing a spatial frequency of interface regions within a subterranean formation. A first method may include drilling a wellbore with a drilling assembly and measuring a downhole parameter during the drilling. The downhole parameter may be indicative of a lithology of a portion of the subterranean formation that is proximal to the drilling assembly. The first method also may include calculating an information entropy of the downhole parameter and characterizing the spatial frequency of the interface regions based upon the information entropy. A second method may include calculating the information entropy as a function of distance within a first wellbore and characterizing the spatial frequency of the interface regions. The second method also may include drilling a second wellbore within the subterranean formation and regulating the drilling based upon the spatial frequency of the interface regions. The systems include systems that perform the methods.
    • 用于表征地层内界面区域的空间频率的系统和方法。 第一种方法可以包括用钻井组件钻井井并在钻井期间测量井下参数。 井下参数可以指示靠近钻井组件的地下地层的一部分的岩性。 第一种方法还可以包括基于信息熵计算井下参数的信息熵和表征接口区域的空间频率。 第二种方法可以包括计算作为第一井筒内的距离的函数的信息熵并表征界面区域的空间频率。 第二种方法还可以包括在地层内钻第二井眼,并且基于界面区域的空间频率来调节钻井。 系统包括执行方法的系统。
    • 17. 发明授权
    • Searching recorded video
    • 搜索录制的视频
    • US09171075B2
    • 2015-10-27
    • US12982601
    • 2010-12-30
    • Greg MillarFarzin AghdasiLei Wang
    • Greg MillarFarzin AghdasiLei Wang
    • G06K9/00G06F17/30G06K9/34
    • G06F17/30784G06F17/3079G06K9/00771G06K9/346
    • Embodiments of the disclosure provide for systems and methods for creating metadata associated with a video data. The metadata can include data about objects viewed within a video scene and/or events that occur within the video scene. Some embodiments allow users to search for specific objects and/or events by searching the recorded metadata. In some embodiments, metadata is created by receiving a video frame and developing a background model for the video frame. Foreground object(s) can then be identified in the video frame using the background model. Once these objects are identified they can be classified and/or an event associated with the foreground object may be detected. The event and the classification of the foreground object can then be recorded as metadata.
    • 本公开的实施例提供了用于创建与视频数据相关联的元数据的系统和方法。 元数据可以包括关于在视频场景内观看的对象的数据和/或在视频场景内发生的事件。 一些实施例允许用户通过搜索记录的元数据来搜索特定对象和/或事件。 在一些实施例中,通过接收视频帧并开发视频帧的背景模型来创建元数据。 然后可以使用背景模型在视频帧中识别前景对象。 一旦识别出这些对象,就可以对它们进行分类和/或可以检测与前景对象相关联的事件。 然后可以将事件和前景对象的分类记录为元数据。
    • 19. 发明授权
    • Stopped object detection
    • 停止对象检测
    • US09154747B2
    • 2015-10-06
    • US12976957
    • 2010-12-22
    • Wei SuLei WangFarzin AghdasiShu Yang
    • Wei SuLei WangFarzin AghdasiShu Yang
    • H04N7/18G06T7/20G06K9/00
    • H04N7/185G06K9/00778G06K9/6202G06T7/11G06T7/254G06T2207/10016G06T2207/20081G06T2207/30232G06T2207/30236G06T2207/30242H04N7/183
    • A video surveillance system includes: an input configured to receive indications of images each comprising a plurality of pixels; a memory; and a processing unit communicatively coupled to the input and the memory and configured to: analyze the indications of the images; compare the present image with a short-term background image stored in the memory; compare the present image with a long-term background image stored in the memory; provide an indication in response to an object in the present image being disposed in a first location in the present image, in a second location in, or absent from, the short-term background image, and in a third location in, or absent from, the long-term background image, where the first location is different from both the second location and the third location.
    • 视频监控系统包括:被配置为接收每个包括多个像素的图像的指示的输入; 记忆 以及处理单元,其通信地耦合到所述输入和所述存储器并且被配置为:分析所述图像的指示; 将当前图像与存储在存储器中的短期背景图像进行比较; 将当前图像与存储在存储器中的长期背景图像进行比较; 提供响应于当前图像中的对象被布置在当前图像中的第一位置,在短期背景图像中的第二位置,或在短期背景图像中的第二位置以及在第三位置中的指示 ,长期背景图像,其中第一位置与第二位置和第三位置不同。
    • 20. 发明授权
    • Method and system for color adjustment
    • 颜色调整方法和系统
    • US09113119B2
    • 2015-08-18
    • US13331622
    • 2011-12-20
    • Lei WangGreg MillarFarzin Aghdasi
    • Lei WangGreg MillarFarzin Aghdasi
    • H04N7/18H04N9/73
    • H04N9/735
    • A method of adjusting the color of images captured by a plurality of cameras comprises the steps of receiving a first image captured by a first camera from the plurality of cameras, analyzing the first image to separate the pixels in the first image into background pixels and foreground pixels, selecting pixels from the background pixels that have a color that is a shade of gray, determining the amount to adjust the colors of the selected pixels to move their colors towards true gray, and providing information for use in adjusting the color components of images from the plurality of cameras.
    • 调整由多个照相机拍摄的图像的颜色的方法包括以下步骤:从多个相机接收由第一相机捕获的第一图像,分析第一图像以将第一图像中的像素分离成背景像素和前景 像素,从具有灰色阴影的背景像素中选择像素,确定调整所选像素的颜色以将其颜色移向真实灰色的量,以及提供用于调整图像的颜色分量的信息 从多个摄像机。