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    • 92. 发明公开
    • SYSTEM AND METHOD FOR VISUAL EVENT DESCRIPTION AND EVENT ANALYSIS
    • 联合国维和部队执行委员会
    • EP3161791A1
    • 2017-05-03
    • EP15812843.9
    • 2015-06-19
    • Sportlogiq Inc.
    • JAVAN ROSHTKHARI, MehrsanLEVINE, Martin D.
    • G06T7/00G08B13/196
    • G06K9/00718G06K9/00758G06K9/00765G06K9/4676G06K9/6215G06K9/6219G06K9/6224G06K9/6284
    • A system and method are provided for analyzing a video. The method comprises: sampling the video to generate a plurality of spatio-temporal video volumes; clustering similar ones of the plurality of spatio-temporal video volumes to generate a low-level codebook of video volumes; analyzing the low-level codebook of video volumes to generate a plurality of ensembles of volumes surrounding pixels in the video; and clustering the plurality of ensembles of volumes by determining similarities between the ensembles of volumes, to generate at least one high-level codebook. Multiple high-level codebooks can be generated by repeating steps of the method. The method can further include performing visual event retrieval by using the at least one high-level codebook to make an inference from the video, for example comparing the video to a dataset and retrieving at least one similar video, activity and event labeling, and performing abnormal and normal event detection.
    • 提供了一种用于分析视频的系统和方法。 该方法包括:对视频采样以产生多个时空视频卷; 聚类多个时空视频卷中的相似的一个以产生视频卷的低级码本; 分析视频卷的低级码本以产生围绕视频中的像素的多个体积的集合; 以及通过确定所述体积集合之间的相似性来聚集所述多个体积集合,以生成至少一个高级码本。 可以通过重复该方法的步骤来生成多个高级码本。 该方法还可以包括通过使用至少一个高级码本从视频进行推理来执行视觉事件检索,例如将视频与数据集进行比较并检索至少一个类似的视频,活动和事件标记,以及执行 异常和正常事件检测。
    • 93. 发明公开
    • SYSTEM AND METHOD FOR GENERATING SEMANTIC ANNOTATIONS
    • 系统VERFAHREN ZUR ERZEUGUNG VON SEMANTISCHEN ANMERKUNGEN
    • EP2895987A1
    • 2015-07-22
    • EP13770747.7
    • 2013-09-12
    • General Electric Company
    • TU, Peter, HenryRITTSCHER, JensGUAN, Li
    • G06K9/62G06F17/30G06K9/00
    • G06K9/00671G06F17/30781G06K9/00718G06K9/00771G06K9/62G06K9/6224G06K9/6288
    • In accordance with one aspect of the present technique, a method is disclosed. The method includes receiving a new video from one or more sensors and generating a new content graph (CG) based on the new video. The method also includes comparing the new CG with a plurality of prior CGs. The method further includes identifying a first portion of the new CG matching a portion of a first prior CG and a second portion of the new CG matching a portion of the second prior CG. The method further includes analyzing a first set of semantic annotations (SAs) associated with the portion of the first prior CG and a second set of SAs associated with the portion of the second prior CG. The method further includes generating a sequence of SAs for the new video based on the analysis of the first and the second set of SAs.
    • 根据本技术的一个方面,公开了一种方法。 该方法包括从一个或多个传感器接收新视频并基于新视频生成新的内容图(CG)。 该方法还包括将新的CG与多个先前的CG进行比较。 该方法还包括识别新CG匹配的第一部分匹配第一先前CG的一部分和新CG匹配第二先前CG的一部分的第二部分。 该方法还包括分析与第一先前CG的部分相关联的第一组语义注释(SA)和与第二先前CG的部分相关联的第二组SA。 该方法还包括基于对第一和第二组SA的分析来生成用于新视频的SA序列。
    • 95. 发明公开
    • Method and apparatus for processing an image comprising characters
    • Verfahren und Vorrichtung zur Verarbeitung eines Bildes mit Zeichen
    • EP2428917A2
    • 2012-03-14
    • EP11168851.1
    • 2011-06-06
    • FUJITSU LIMITED
    • Sun, JunYu, HaoNaoi, Satoshi
    • G06K9/68
    • G06K9/6814G06K9/6224
    • Method and apparatus for processing an image including a character are disclosed. The method may include: searching in a set of characters one or more characters having highest similarities of shape to a character in the set of characters, hereinafter the character being referred to as a first character, the one or more searched characters forming a similar character list of the first character; searching in the set of characters one or more characters having highest similarities of shape to each character in the similar character list of the first character, to form a similar character list of each character in the similar character list of the first character; and selecting in the similar character lists one or more characters having a high mutual similarity between each other, as a character cluster.
    • 公开了用于处理包括字符的图像的方法和装置。 该方法可以包括:在一组文本中搜索与该组文字中的字符具有最高相似度的一个或多个字符,在下文中将字符称为第一个字符,该一个或多个搜索到的字符形成相似的字符 第一个字符的列表; 在所述字符集中搜索与所述第一字符的类似字符列表中的每个字符具有最高相似度的一个或多个字符,以形成所述第一字符的相似字符列表中的每个字符的类似字符列表; 并且在相似的字符中选择一个或多个具有彼此之间相互相互之间的相互相似性的字符作为字符簇。
    • 96. 发明公开
    • Video segmentation
    • Videosegmentierung
    • EP2224357A1
    • 2010-09-01
    • EP09250566.8
    • 2009-02-27
    • BRITISH TELECOMMUNICATIONS public limited company
    • The designation of the inventor has not yet been filed
    • G06F17/30
    • G06F17/30843G06K9/00765G06K9/6224G06K9/6251
    • A method of segmenting a sequence of video images according to scene activity, the method comprising: defining a first series of nodes in a first multi-dimensional space, each node corresponding to an image of the sequence of video images; defining a transformation function that maps each of the first series of nodes to a corresponding node in a second multi-dimensional space having a lower dimensionality than the first multi-dimensional space; applying said transformation function to each of the first series of nodes to define a second series of respective nodes in the second multi-dimensional space; applying a data clustering algorithm to the second series of nodes to identify clusters of nodes within the second multi-dimensional space, the data clustering algorithm being constrained by a measure of feature distance between a pair of clusters of nodes and a measure of temporal distance between the pair of clusters of nodes; determining a representative image from each cluster of nodes and plotting each representative image with respect to a measure of the elapsed time of the sequence of video images to form an scene desnity curve indicating the underlying scene change activities; and segmenting the sequence of video images in accordance with local minima and/or maxima of the scene desnity curve.
    • 一种根据场景活动分割视频图像序列的方法,所述方法包括:在第一多维空间中定义第一系列节点,每个节点对应于视频图像序列的图像; 定义将所述第一系列节点中的每一个映射到具有比所述第一多维空间小的维度的第二多维空间中的对应节点的变换函数; 将所述变换函数应用于所述第一系列节点中的每一个以限定所述第二多维空间中的相应节点的第二系列; 将数据聚类算法应用于第二系列节点以识别第二多维空间内的节点簇,所述数据聚类算法受到一对节点簇之间的特征距离的测量以及时间距离的度量 一对节点簇; 确定来自每个节点簇的代表图像,并针对所述视频图像序列的经过时间的度量来绘制每个代表图像,以形成指示下一个场景变化活动的场景desnity曲线; 以及根据场景极化曲线的局部最小值和/或最大值来分割视频图像的序列。
    • 99. 发明公开
    • An adaptive clusterer
    • Adaptiver Gruppierer。
    • EP0436913A2
    • 1991-07-17
    • EP90125196.7
    • 1990-12-21
    • Hughes Aircraft Company
    • Feintuch, Paul L.Banach, Michael D.
    • G06K9/62
    • G06K9/6224G06K9/6226
    • This invention relates to a technique and system (34) for clustering a set of data points (18) in a data field. Clustering is performed by a set of rules which make no assumptions about the data fields. That is, the number of clusters, the distance between clusters, etc., need not be specified in advance. The invention calculates a distance R that is a function of the distances between each pair of points (18) in a data field. Operating on a chosen point, a parameter is calculated for each neighboring point within distance R from the chosen point. This parameter is proportional to the distance of the neighboring point to the chosen point. The chosen point P is then connected to a neighboring point on the basis of this parameter. All points, in any order are operating on as the new chosen point, so that the additional points may be linked to new chosen points in a similar manner. In this way, a tree-structure (22, 24) of connected points will form the desired clustering. Points (18) not having other points within distance R will not be clustered or linked.
    • 本发明涉及一种用于对一组数据点(18)进行聚类的技术和系统(34)。 聚类由一组不对数据字段做出假设的规则执行。 也就是说,不需要事先指定簇的数量,簇之间的距离等。 本发明计算作为数据场中每对点(18)之间的距离的函数的距离R. 在选择的点上操作,对于距所选点的距离R内的每个相邻点计算一个参数。 该参数与相邻点与选定点的距离成正比。 所选点P然后根据该参数连接到相邻点。 所有点以任何顺序作为新的选择点进行操作,使得附加点可以以类似的方式与新选择的点相关联。 以这种方式,连接点的树结构(22,24)将形成所需的聚类。 距离R内没有其他点的点(18)将不会聚集或链接。