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1. 发明申请

US20100030350A1 System and Method for Analyzing Data From Athletic Events 审中-公开
标题翻译：运动事件数据分析系统与方法
公开(公告)号：US20100030350A1
公开(公告)日：2010-02-04
申请号：US12490026
申请日：2009-06-23
申请人： Gregory House , Gene Rossi , Yuecheng Zhang
发明人： Gregory House , Gene Rossi , Yuecheng Zhang
IPC分类号： G06F19/00
CPC分类号： A63B24/0021 , A63B2024/0025 , A63B2024/0056 , A63B2102/22 , A63B2220/05 , A63B2220/12 , A63B2220/13 , A63B2220/20 , A63B2220/806 , A63B2225/15 , A63B2225/54 , A63B2243/0025 , A63B2243/0037 , G06K9/00711
摘要： Embodiments of this invention relate to generating information from an athletic event. In an embodiment, a method includes receiving an aspect of a first object and an aspect of a second object in an athletic event. In some cases, objects may be athletes, balls, pucks, game officials, goals, defined areas, time periods or other sports related objects. Aspects may include but are not limited to, a location, motion, pose, shape or size. The method further includes determining a data representation based on the aspect of the first object relative to the aspect of the second object. In some cases, data representations may be stored in a data server. In other cases, data representations may be displayed. In another embodiment, a system includes an object tracker and a data manager. Aspects may be recorded using a sensor system.
摘要翻译：本发明的实施例涉及从运动事件生成信息。在一个实施例中，一种方法包括在体育赛事中接收第一对象的方面和第二对象的方面。在某些情况下，物品可能是运动员，球，冰球，游戏官员，目标，定义的区域，时间段或其他运动相关对象。方面可以包括但不限于位置，运动，姿势，形状或大小。该方法还包括基于第一对象的方面相对于第二对象的方面来确定数据表示。在某些情况下，数据表示可以存储在数据服务器中。在其他情况下，可能会显示数据表示。在另一个实施例中，系统包括对象跟踪器和数据管理器。可以使用传感器系统记录方面。

2. 发明授权

US08922718B2 Key generation through spatial detection of dynamic objects 有权
标题翻译：通过空间检测动态对象的关键代
公开(公告)号：US08922718B2
公开(公告)日：2014-12-30
申请号：US12909508
申请日：2010-10-21
申请人： Gregory House , Ximin Gong , Cen Rao , Yuecheng Zhang
发明人： Gregory House , Ximin Gong , Cen Rao , Yuecheng Zhang
IPC分类号： H04N9/74 , H04N9/75
CPC分类号： H04N9/75
摘要： A method, apparatus, and computer program product are described that utilizes spatial modeling to represent foreground objects of an event to allow virtual graphics to be integrated into a background of the event in the presence of dynamic objects. The present invention detects a presence of dynamic objects within a region of interest from a video depicting the event. The present invention produces a suppression key corresponding to the dynamic object when present in the video or a suppression key with a default value when and where no dynamic object is present in the video.
摘要翻译：描述了一种方法，装置和计算机程序产品，其利用空间建模来表示事件的前景对象，以允许在存在动态对象的情况下将虚拟图形集成到事件的背景中。本发明从描述事件的视频检测感兴趣区域内的动态对象的存在。当存在于视频中时，本发明产生对应于动态对象的抑制密钥，或者当视频中没有动态对象时，产生具有默认值的抑制密钥。

3. 发明申请

US20110102678A1 Key Generation Through Spatial Detection of Dynamic Objects 有权
标题翻译：通过空间检测动态对象的关键生成
公开(公告)号：US20110102678A1
公开(公告)日：2011-05-05
申请号：US12909508
申请日：2010-10-21
申请人： Gregory House , Ximin Gong , Cen Rao , Yuecheng Zhang
发明人： Gregory House , Ximin Gong , Cen Rao , Yuecheng Zhang
IPC分类号： H04N9/74
CPC分类号： H04N9/75
摘要： A method, apparatus, and computer program product are described that utilizes spatial modeling to represent foreground objects of an event to allow virtual graphics to be integrated into a background of the event in the presence of dynamic objects. The present invention detects a presence of dynamic objects within a region of interest from a video depicting the event. The present invention produces a suppression key corresponding to the dynamic object when present in the video or a suppression key with a default value when and where no dynamic object is present in the video.
摘要翻译：描述了一种方法，装置和计算机程序产品，其利用空间建模来表示事件的前景对象，以允许在存在动态对象的情况下将虚拟图形集成到事件的背景中。本发明从描述事件的视频检测感兴趣区域内的动态对象的存在。当存在于视频中时，本发明产生对应于动态对象的抑制密钥，或者当视频中没有动态对象时，产生具有默认值的抑制密钥。

4. 发明授权

US10375287B2 Object trail-based analysis and control of video 有权
公开(公告)号：US10375287B2
公开(公告)日：2019-08-06
申请号：US12907607
申请日：2010-10-19
申请人： Smadar Gefen , Gregory House , Yuecheng Zhang
发明人： Smadar Gefen , Gregory House , Yuecheng Zhang
IPC分类号： H04N5/225 , G06K9/00 , H04N5/232 , G06T7/246 , G06K9/32
摘要： Systems and methods for analyzing scenes from cameras imaging an event, such as a sporting event broadcast, are provided. Systems and methods include detecting and tracking patterns and trails. This may be performed with intra-frame processing and without knowledge of camera parameters. A system for analyzing a scene may include an object characterizer, a foreground detector, an object tracker, a trail updater, and a video annotator. Systems and methods may provide information regarding centers and spans of activity based on object locations and trails, which may be used to control camera field of views such as a camera pose and zoom level. A magnification may be determined for images in a video sequence based on the size of an object in the images. Measurements may be determined from object trails in a video sequence based on an effective magnification of images in the video sequence.

5. 发明申请

US20110090344A1 Object Trail-Based Analysis and Control of Video 审中-公开
标题翻译：视频对象跟踪分析与控制
公开(公告)号：US20110090344A1
公开(公告)日：2011-04-21
申请号：US12907607
申请日：2010-10-19
申请人： Smadar Gefen , Gregory House , Yuecheng Zhang
发明人： Smadar Gefen , Gregory House , Yuecheng Zhang
IPC分类号： H04N5/225 , G06K9/00
CPC分类号： H04N5/232 , G06K9/00724 , G06K2009/3291 , G06T7/248 , G06T2207/10016 , G06T2207/10021 , G06T2207/10024 , G06T2207/30221 , G06T2207/30224 , G06T2207/30228 , G06T2207/30241
摘要： Systems and methods for analyzing scenes from cameras imaging an event, such as a sporting event broadcast, are provided. Systems and methods include detecting and tracking patterns and trails. This may be performed with intra-frame processing and without knowledge of camera parameters. A system for analyzing a scene may include an object characterizer, a foreground detector, an object tracker, a trail updater, and a video annotator. Systems and methods may provide information regarding centers and spans of activity based on object locations and trails, which may be used to control camera field of views such as a camera pose and zoom level. A magnification may be determined for images in a video sequence based on the size of an object in the images. Measurements may be determined from object trails in a video sequence based on an effective magnification of images in the video sequence.
摘要翻译：提供了用于分析来自诸如体育赛事广播等事件的摄像机的场景的系统和方法。系统和方法包括检测和跟踪模式和路径。这可以通过帧内处理并且不知道相机参数来执行。用于分析场景的系统可以包括对象表征器，前景检测器，对象跟踪器，轨迹更新器和视频注释器。系统和方法可以基于对象位置和轨迹提供关于中心和活动跨度的信息，其可以用于控制诸如相机姿态和缩放级别的视场的相机视场。可以基于图像中的对象的大小来确定视频序列中的图像的放大率。可以基于视频序列中的图像的有效放大率，从视频序列中的对象轨迹确定测量。

6. 发明授权

US09124856B2 Method and system for video event detection for contextual annotation and synchronization 有权
标题翻译：用于上下文注释和同步的视频事件检测方法和系统
公开(公告)号：US09124856B2
公开(公告)日：2015-09-01
申请号：US13601090
申请日：2012-08-31
申请人： Nikhil Deshpande , Yuecheng Zhang
发明人： Nikhil Deshpande , Yuecheng Zhang
IPC分类号： H04N9/80 , H04N9/82 , H04N21/482
CPC分类号： H04N9/8205 , H04N21/4828
摘要： Described herein are methods and systems for video event detection for contextual annotation and synchronization. Exemplary embodiments relate to a method comprising receiving a video stream, extracting a first event from the video stream, determining an index value identifying a location within the video stream corresponding to the first event, and inserting content based on the first event at a location identified by the index value. Further exemplary embodiments relate to a system comprising an event-based data extractor that receives a video stream and extracts a first event from the video stream, a processor that determines an index value identifying a location within the video stream corresponding to the first event, and a video insertion module inserts content based on the first event at a location identified by the index value.
摘要翻译：这里描述了用于上下文注释和同步的视频事件检测的方法和系统。示例性实施例涉及一种方法，包括接收视频流，从视频流中提取第一事件，确定识别与第一事件相对应的视频流内的位置的索引值，以及基于第一事件在所识别的位置插入内容按索引值。另外的示例性实施例涉及包括基于事件的数据提取器的系统，其接收视频流并从视频流中提取第一事件;处理器，确定识别与第一事件相对应的视频流内的位置的索引值;以及视频插入模块基于第一事件在由索引值标识的位置处插入内容。

7. 发明申请

US20140064693A1 Method and System for Video Event Detection for Contextual Annotation and Synchronization 有权
标题翻译：用于上下文注释和同步的视频事件检测的方法和系统
公开(公告)号：US20140064693A1
公开(公告)日：2014-03-06
申请号：US13601090
申请日：2012-08-31
申请人： Nikhil DESHPANDE , Yuecheng Zhang
发明人： Nikhil DESHPANDE , Yuecheng Zhang
IPC分类号： H04N9/80
CPC分类号： H04N9/8205 , H04N21/4828
摘要： Described herein are methods and systems for video event detection for contextual annotation and synchronization. Exemplary embodiments relate to a method comprising receiving a video stream, extracting a first event from the video stream, determining an index value identifying a location within the video stream corresponding to the first event, and inserting content based on the first event at a location identified by the index value. Further exemplary embodiments relate to a system comprising an event-based data extractor that receives a video stream and extracts a first event from the video stream, a processor that determines an index value identifying a location within the video stream corresponding to the first event, and a video insertion module inserts content based on the first event at a location identified by the index value.
摘要翻译：这里描述了用于上下文注释和同步的视频事件检测的方法和系统。示例性实施例涉及一种方法，包括接收视频流，从视频流中提取第一事件，确定识别与第一事件相对应的视频流内的位置的索引值，以及基于所识别的位置插入基于第一事件的内容按索引值。另外的示例性实施例涉及包括基于事件的数据提取器的系统，其接收视频流并从视频流中提取第一事件;处理器，确定识别与第一事件相对应的视频流内的位置的索引值;以及视频插入模块基于第一事件在由索引值标识的位置处插入内容。

8. 发明授权

US08805007B2 Integrated background and foreground tracking 有权
标题翻译：综合背景和前景跟踪
公开(公告)号：US08805007B2
公开(公告)日：2014-08-12
申请号：US13272869
申请日：2011-10-13
申请人： Yuecheng Zhang
发明人： Yuecheng Zhang
IPC分类号： G06K9/00
CPC分类号： G06T7/344 , G06T7/248 , G06T7/579 , G06T7/74 , G06T2207/10016 , G06T2207/30228
摘要： Systems and methods for tracking the foreground and background objects in a video image sequence. The systems and methods providing for determining a camera model based on a first group of feature points extracted from a video frame, extracting three-dimensional (3D) information for the first group of feature points based on the camera model and a previous camera model for a previous video frame, reassigning feature points to the first group or a second group, based on mapping each feature point to a corresponding 3D model using the extracted 3D information for each feature point and determining a new camera model when a number of reassigned feature points is greater than a predetermined threshold.
摘要翻译：用于跟踪视频图像序列中的前景和背景对象的系统和方法。提供用于基于从视频帧提取的第一组特征点来确定相机模型的系统和方法，基于相机模型提取第一组特征点的三维（3D）信息，以及用于基于使用所提取的每个特征点的3D信息将每个特征点映射到相应的3D模型，并且当多个重新分配的特征点时，确定新的相机模型，将先前的视频帧重新分配给第一组或第二组大于预定阈值。

9. 发明申请

US20130094696A1 Integrated Background And Foreground Tracking 有权
标题翻译：综合背景与前景跟踪
公开(公告)号：US20130094696A1
公开(公告)日：2013-04-18
申请号：US13272869
申请日：2011-10-13
申请人： Yuecheng Zhang
发明人： Yuecheng Zhang
IPC分类号： G06K9/00
CPC分类号： G06T7/344 , G06T7/248 , G06T7/579 , G06T7/74 , G06T2207/10016 , G06T2207/30228
摘要： Systems and methods for tracking the foreground and background objects in a video image sequence. The systems and methods providing for determining a camera model based on a first group of feature points extracted from a video frame, extracting three-dimensional (3D) information for the first group of feature points based on the camera model and a previous camera model for a previous video frame, reassigning feature points to the first group or a second group, based on mapping each feature point to a corresponding 3D model using the extracted 3D information for each feature point and determining a new camera model when a number of reassigned feature points is greater than a predetermined threshold.
摘要翻译：用于跟踪视频图像序列中的前景和背景对象的系统和方法。提供用于基于从视频帧提取的第一组特征点来确定相机模型的系统和方法，基于相机模型提取第一组特征点的三维（3D）信息，以及用于基于使用所提取的每个特征点的3D信息将每个特征点映射到相应的3D模型，并且当多个重新分配的特征点时，确定新的相机模型，将先前的视频帧重新分配给第一组或第二组大于预定阈值。

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