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1. 发明授权

US06937651B1 Method and apparatus for compressing image information 有权
标题翻译：用于压缩图像信息的方法和装置
公开(公告)号：US06937651B1
公开(公告)日：2005-08-30
申请号：US09338202
申请日：1999-06-22
申请人： Frank Z. Brill , Bruce E. Flinchbaugh
发明人： Frank Z. Brill , Bruce E. Flinchbaugh
IPC分类号： G08B13/194 , H04N7/18 , H04B1/66
CPC分类号： G08B13/19602 , G08B13/19608 , G08B13/19667 , G08B13/19691 , H04N7/181
摘要： A system (10) includes an image detector (12) which is a video camera, and which detects and outputs a succession of video images of a selected subject. A technique for processing these images involves preparing compressed image information. The compressed image information includes a first detected image (FIG. 2A) that serves as a reference image, includes information (FIG. 2G) identifying regions of subsequent detected images that differ from the first image, and excludes at least a portion of each of the subsequent images. The information identifying regions of subsequent detected images is free of contrast information for a substantial portion of each of those regions. The compressed image information for a given image is decompressed by displaying the reference image and by modifying the displayed reference image based on the information identifying differences from the reference image.
摘要翻译：系统（10）包括作为摄像机的图像检测器（12），并且检测并输出所选择的对象的一系列视频图像。处理这些图像的技术包括准备压缩图像信息。压缩图像信息包括用作参考图像的第一检测图像（图2A）包括识别与第一图像不同的后续检测图像的区域的信息（图2G），并且排除至少一部分每个后续图像。后续检测图像的信息识别区域对于这些区域中的每一个的大部分没有对比度信息。通过显示参考图像来解压缩给定图像的压缩图像信息，并且通过基于识别与参考图像的差异的信息来修改所显示的参考图像。

2. 发明授权

US06816184B1 Method and apparatus for mapping a location from a video image to a map 有权
标题翻译：将位置从视频图像映射到地图的方法和装置
公开(公告)号：US06816184B1
公开(公告)日：2004-11-09
申请号：US09292499
申请日：1999-04-15
申请人： Frank Z. Brill , Bruce E. Flinchbaugh
发明人： Frank Z. Brill , Bruce E. Flinchbaugh
IPC分类号： H04N718
CPC分类号： G06K9/00771 , G08B13/19602 , G08B13/19608 , G08B13/19691 , H04N7/183
摘要： A monitoring system (10) includes a video camera (12) which generates images of a monitored area. A computer (16) receives the images from the video camera, and contains a digitized map (85) of the monitored area. One of the detected images (84) is saved as a reference image. An operator defines a first region (86) corresponding to a selected portion of the monitored area, as viewed in the reference image, and defines a second region (87) which corresponds to the selected portion of the area as viewed on the map. Subsequent images from the camera are compared to the reference image, in order to identify an object of interest, and a first point associated with the object is identified. If the first point is within the first region, a warp transformation of the first point from the first region to the second region is carried out, in order to identify within the second region a second point which corresponds to the first point, and which identifies the location on the map of the object of interest.
摘要翻译：监视系统（10）包括产生被监视区域的图像的摄像机（12）。计算机（16）从摄像机接收图像，并且包含监视区域的数字化地图（85）。检测到的图像之一（84）被保存为参考图像。操作者定义与参考图像中所观察到的所监视区域的选定部分相对应的第一区域（86），并且定义对应于在地图上观察的区域的所选部分的第二区域（87）。将相机的后续图像与参考图像进行比较，以便识别感兴趣的对象，并且识别与对象相关联的第一点。如果第一点在第一区域内，则执行第一点从第一区域到第二区域的翘曲变换，以便在第二区域内识别对应于第一点的第二点，并且识别感兴趣对象的地图上的位置。

3. 发明授权

US06628835B1 Method and system for defining and recognizing complex events in a video sequence 有权
标题翻译：用于定义和识别视频序列中的复杂事件的方法和系统
公开(公告)号：US06628835B1
公开(公告)日：2003-09-30
申请号：US09379986
申请日：1999-08-24
申请人： Frank Z. Brill , Thomas J. Olson
发明人： Frank Z. Brill , Thomas J. Olson
IPC分类号： G06K968
CPC分类号： G08B13/19682 , G06K9/00335 , H04N7/188
摘要： Given a system which detects simple events, one can define a complex event by constructing a list of sub-events. In order to recognize a complex event, the system keeps a record of the sub-events that have occurred thus far and the objects involved in these sub-events. Whenever the first sub-event in a complex event's sequence is recognized, an activation for that complex event is created. The activation contains an indication of the identity of the object involved in the event. The activation also includes an index initialized to one. If a newly detected event matches the next sub-event in any of the currently open complex events, the index for that complex event is incremented. If the index reaches the total number of sub-events in that complex event, the complete complex event is recognized. Thus any desired alarm is generated. Since the complex event that was just recognized may also be a sub-event of another complex event, the activation lists are consulted again to see if the indices of any other complex event activations can be advanced.
摘要翻译：给定一个检测简单事件的系统，可以通过构建子事件列表来定义复杂事件。为了识别复杂事件，系统保留迄今为止发生的子事件和这些子事件中涉及的对象的记录。无论何时识别复杂事件序列中的第一个子事件，就会创建该复杂事件的激活。激活包含事件涉及的对象的身份的指示。激活还包括初始化为1的索引。如果新检测到的事件与任何当前打开的复杂事件中的下一个子事件相匹配，则该复合事件的索引将递增。如果索引达到该复杂事件中的子事件的总数，则会识别完整的复杂事件。因此产生任何所需的报警。由于刚被识别的复杂事件也可能是另一个复杂事件的子事件，因此再次查看激活列表，以查看是否可以提升任何其他复杂事件激活的索引。

4. 发明授权

US06542621B1 Method of dealing with occlusion when tracking multiple objects and people in video sequences 有权
标题翻译：在视频序列中跟踪多个对象和人物时处理遮挡的方法
公开(公告)号：US06542621B1
公开(公告)日：2003-04-01
申请号：US09386871
申请日：1999-08-31
申请人： Frank Z. Brill , Thomas J. Olson
发明人： Frank Z. Brill , Thomas J. Olson
IPC分类号： G06K900
CPC分类号： G06K9/32 , G06K9/00369 , G06T7/277
摘要： This invention employs probabilistic templates, or p-templates, which probabilistically encode the rough position and extent of the tracked object's image. The p-templates track objects in the scene, one p-template per object. They can be used to incorporate three-dimensional knowledge about the scene, and to reason about occlusion between the objects tracked by the p-templates. This invention requires video capture and digitization hardware, image processing hardware such as a digital signal processor, and a method for estimating the image size of a person standing at a given location in the image.
摘要翻译：本发明采用概率模板或p模板，其概率地编码跟踪对象的图像的粗略位置和范围。 p-templates跟踪场景中的对象，每个对象有一个p模板。它们可以用于结合关于场景的三维知识，以及对由p模板跟踪的对象之间的遮挡的理解。本发明需要视频采集和数字化硬件，诸如数字信号处理器的图像处理硬件，以及用于估计站在图像中给定位置的人的图像尺寸的方法。

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