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1. 发明申请

US20050180603A1 Method and system for searching for events in video surveillance 有权
标题翻译：在视频监控中搜索事件的方法和系统
公开(公告)号：US20050180603A1
公开(公告)日：2005-08-18
申请号：US11042694
申请日：2005-01-25
申请人： Imad Zoghlami , Visvanathan Ramesh , Nikolaos Paragios
发明人： Imad Zoghlami , Visvanathan Ramesh , Nikolaos Paragios
IPC分类号： G06K9/00 , G06K9/68 , G06T7/20
CPC分类号： G06K9/00771 , G06T7/254
摘要： A method for detecting events in a video sequence includes providing a video sequence, sampling the video sequence at regular intervals to form a series of snapshots of the sequence, measuring a similarity of each snapshot, measuring a similarity change between successive pairs of snapshots, wherein if a similarity change magnitude is greater than a predetermined threshold, a change event has been detected, verifying the change event to exclude a false positive, and completing the processing of the snapshot incorporating the verified change event.
摘要翻译：用于检测视频序列中的事件的方法包括提供视频序列，以规则的间隔对视频序列进行采样以形成序列的一系列快照，测量每个快照的相似度，测量连续的快照对之间的相似性改变，其中如果相似度变化幅度大于预定阈值，则检测到改变事件，验证改变事件以排除假阳性，并且完成并入验证的改变事件的快照的处理。

2. 发明授权

US07555046B2 Method and system for searching and verifying magnitude change events in video surveillance 有权
标题翻译：视频监控中大小变化事件的搜索和验证方法和系统
公开(公告)号：US07555046B2
公开(公告)日：2009-06-30
申请号：US11042694
申请日：2005-01-25
申请人： Imad Zoghlami , Visvanathan Ramesh , Nikolaos Paragios
发明人： Imad Zoghlami , Visvanathan Ramesh , Nikolaos Paragios
IPC分类号： H04N7/12
CPC分类号： G06K9/00771 , G06T7/254
摘要： A method for detecting events in a video sequence includes providing a video sequence, sampling the video sequence at regular intervals to form a series of snapshots of the sequence, measuring a similarity of each snapshot, measuring a similarity change between successive pairs of snapshots, wherein if a similarity change magnitude is greater than a predetermined threshold, a change event has been detected, verifying the change event to exclude a false positive, and completing the processing of the snapshot incorporating the verified change event.
摘要翻译：用于检测视频序列中的事件的方法包括提供视频序列，以规则的间隔对视频序列进行采样以形成序列的一系列快照，测量每个快照的相似度，测量连续的快照对之间的相似性改变，其中如果相似度变化幅度大于预定阈值，则检测到改变事件，验证改变事件以排除假阳性，并且完成并入验证的改变事件的快照的处理。

3. 发明授权

US07593547B2 Video-based encroachment detection 有权
标题翻译：基于视频的侵占检测
公开(公告)号：US07593547B2
公开(公告)日：2009-09-22
申请号：US11245391
申请日：2005-10-06
申请人： Anurag Mittal , Imad Zoghlami , Visvanathan Ramesh
发明人： Anurag Mittal , Imad Zoghlami , Visvanathan Ramesh
IPC分类号： G06K9/00
CPC分类号： G08B13/19613 , G06T7/254
摘要： A method and system for video-based encroachment detection are provided, the method including receiving first and second images, modeling a background from the first image, subtracting the background from the second image to provide a detection map, calibrating the size of an object from the pixel level, integrating a projection of the object with the detection map using dynamic programming, and detecting the object in a region if the projection matches that region of the detection map; and the system including a processor, a background modeling unit coupled with the processor for modeling a background from the first image and subtracting the background from the second image to provide a detection map, and a dynamic programming unit coupled with the processor for calibrating the size of an object from the pixel level, integrating a projection of the object with the detection map, and detecting the object in a region if the projection matches that region of the detection map.
摘要翻译：提供了一种用于基于视频的侵入检测的方法和系统，所述方法包括接收第一和第二图像，从第一图像建模背景，从第二图像中减去背景以提供检测图，校准物体的大小像素级，使用动态规划将对象的投影与检测图集成，如果投影与检测图的区域匹配，则检测区域中的对象; 并且所述系统包括处理器，与所述处理器耦合的背景建模单元，用于对来自所述第一图像的背景进行建模并从所述第二图像减去所述背景以提供检测图;以及动态编程单元，与所述处理器耦合以校准所述尺寸从像素级别的对象，将对象的投影与检测图集成，以及如果投影匹配检测图的区域，则检测区域中的对象。

4. 发明授权

US07853042B2 Tunable kernels for tracking 有权
标题翻译：用于跟踪的可调内核
公开(公告)号：US07853042B2
公开(公告)日：2010-12-14
申请号：US11650788
申请日：2007-01-08
申请人： Vasudev Parameswaran , Visvanathan Ramesh , Imad Zoghlami
发明人： Vasudev Parameswaran , Visvanathan Ramesh , Imad Zoghlami
IPC分类号： G06T7/20
CPC分类号： G06K9/32 , G06K9/4642 , G06K9/6226
摘要： A tunable representation for tracking that simultaneously encodes appearance and geometry in a manner that enables the use of mean-shift iterations for tracking is provided. The solution to the tracking problem is articulated into a method that encodes the spatial configuration of features along with their density and yet retains robustness to spatial deformations and feature density variations. The method of encoding of spatial configuration is provided using a set of kernels whose parameters can be optimized for a given class of objects off-line. The method enables the use of mean-shift iterations and runs in real-time. Better tracking results by the novel tracking method as compared to the original mean-shift tracker are demonstrated.
摘要翻译：提供了用于跟踪的可调表示，其以能够使用平均移位迭代进行跟踪的方式同时编码外观和几何。跟踪问题的解决方案是将特征的空间配置及其密度进行编码，并保持对空间变形和特征密度变化的鲁棒性。使用一组内核来提供空间配置的编码方法，该内核的参数可以离线给定类别的对象进行优化。该方法使得可以实时使用均值迭代和运行。证明了与原始平均移位跟踪器相比，通过新颖的跟踪方法更好的跟踪结果。

5. 发明申请

US20090034793A1 Fast Crowd Segmentation Using Shape Indexing 失效
标题翻译：使用形状索引快速人群分割
公开(公告)号：US20090034793A1
公开(公告)日：2009-02-05
申请号：US12184685
申请日：2008-08-01
申请人： Lan Dong , Vasudev Parameswaran , Visvanathan Ramesh , Imad Zoghlami
发明人： Lan Dong , Vasudev Parameswaran , Visvanathan Ramesh , Imad Zoghlami
IPC分类号： G06K9/00 , G06K9/34
CPC分类号： G06K9/00369 , G06K9/00778
摘要： A method for performing crowd segmentation includes receiving video image data (S21). Background differencing is performed on the received video image data to identify a foreground silhouette shape (S22). Approximate number and position of human subjects within the received video image data are determined by matching the foreground silhouette shape against a set of predetermined foreground silhouette shapes, for each of which a number and position of human subjects is known (S28). The estimated number and position of the human subjects is refined to determine a final number and position of the human subjects (S27).
摘要翻译：执行人群分割的方法包括接收视频图像数据（S21）。对所接收的视频图像数据执行背景差异以识别前景轮廓形状（S22）。通过将前景剪影形状与一组预定的前景剪影形状相匹配来确定人类受试者在接收的视频图像数据内的近似数量和位置，对于每个人的受试者的数量和位置是已知的（S28）。改进人类受试者的估计数量和位置，以确定人类受试者的最终数量和位置（S27）。

6. 发明申请

US20060093187A1 Video-based encroachment detection 有权
公开(公告)号：US20060093187A1
公开(公告)日：2006-05-04
申请号：US11245391
申请日：2005-10-06
申请人： Anurag Mittal , Imad Zoghlami , Visvanathan Ramesh
发明人： Anurag Mittal , Imad Zoghlami , Visvanathan Ramesh
IPC分类号： G06K9/00
CPC分类号： G08B13/19613 , G06T7/254
摘要： A method and system for video-based encroachment detection are provided, the method including receiving first and second images, modeling a background from the first image, subtracting the background from the second image to provide a detection map, calibrating the size of an object from the pixel level, integrating a projection of the object with the detection map using dynamic programming, and detecting the object in a region if the projection matches that region of the detection map; and the system including a processor, a background modeling unit coupled with the processor for modeling a background from the first image and subtracting the background from the second image to provide a detection map, and a dynamic programming unit coupled with the processor for calibrating the size of an object from the pixel level, integrating a projection of the object with the detection map, and detecting the object in a region if the projection matches that region of the detection map.

7. 发明授权

US07336803B2 Method for scene modeling and change detection 有权
标题翻译：场景建模和变化检测方法
公开(公告)号：US07336803B2
公开(公告)日：2008-02-26
申请号：US10685162
申请日：2003-10-14
申请人： Anurag Mittal , Nikolaos Paragios , Visvanathan Ramesh , Antoine Monnet
发明人： Anurag Mittal , Nikolaos Paragios , Visvanathan Ramesh , Antoine Monnet
IPC分类号： G06K9/00
CPC分类号： G06K9/00771 , G06K9/38 , G06K9/6247 , G06T7/269
摘要： A method for dynamic scene modeling and change detection applicable to motion analysis utilizes optical flow for capturing and modeling the dynamics of the scene. Uncertainties in the measurements are evaluated and utilized in order to develop a robust representation of the scene in a higher dimensional space. In another embodiment, a dynamical model of the scene is developed that utilizes multiple past frames to predict the next frame. Incremental methods for updating the model are developed and, towards detection of events, a new measure is introduced that is based on a state-driven comparison between the prediction and the actual observation.
摘要翻译：适用于运动分析的动态场景建模和变化检测的方法利用光流来捕获和建模场景的动力学。评估和利用测量中的不确定性，以便在更高维度空间中开发场景的鲁棒表示。在另一个实施例中，开发了利用多个过去帧来预测下一帧的场景的动态模型。开发了用于更新模型的增量方法，并且为了检测事件，引入了基于预测与实际观察之间的状态驱动比较的新措施。

8. 发明申请

US20050237390A1 Multiple camera system for obtaining high resolution images of objects 有权
标题翻译：用于获得物体的高分辨率图像的多相机系统
公开(公告)号：US20050237390A1
公开(公告)日：2005-10-27
申请号：US11042125
申请日：2005-01-24
申请人： Anurag Mittal , Nikolaos Paragios , Visvanathan Ramesh
发明人： Anurag Mittal , Nikolaos Paragios , Visvanathan Ramesh
IPC分类号： A61B5/05 , G06T5/50 , G06T7/00 , G06T7/20 , H04N7/18 , H04N9/47
CPC分类号： G06K9/209 , G06K9/32 , G06T5/50 , G06T7/254 , G06T7/73
摘要： A system and corresponding method for image acquisition are provided, the system including a processor, an imaging adapter in signal communication with the processor for receiving image data from each of a static imaging device and a dynamic imaging device, and a homography unit in signal communication with the processor for computing a planar homography between the static and dynamic image data; and the method including receiving an image from a static imaging device, receiving an image from a dynamic imaging device, and registering the dynamic image to the static image using planar homography.
摘要翻译：提供了一种用于图像采集的系统和相应的方法，该系统包括处理器，与处理器进行信号通信的成像适配器，用于从静态成像设备和动态成像设备中的每一个接收图像数据，以及信号通信中的单对应单元处理器用于计算静态和动态图像数据之间的平面单应性; 并且该方法包括从静态成像设备接收图像，从动态成像设备接收图像，以及使用平面单应性将动态图像注册到静态图像。

9. 发明授权

US07574019B2 Method for scene modeling and change detection 有权
标题翻译：场景建模和变化检测方法
公开(公告)号：US07574019B2
公开(公告)日：2009-08-11
申请号：US11943945
申请日：2007-11-21
申请人： Anurag Mittal , Nikolaos Paragios , Visvanathan Ramesh , Antoine Monnet
发明人： Anurag Mittal , Nikolaos Paragios , Visvanathan Ramesh , Antoine Monnet
IPC分类号： G06K9/00
CPC分类号： G06K9/00771 , G06K9/38 , G06K9/6247 , G06T7/269
摘要： A method for dynamic scene modeling and change detection applicable to motion analysis utilizes optical flow for capturing and modeling the dynamics of the scene. Uncertainties in the measurements are evaluated and utilized in order to develop a robust representation of the scene in a higher dimensional space. In another embodiment, a dynamical model of the scene is developed that utilizes multiple past frames to predict the next frame. Incremental methods for updating the model are developed and, towards detection of events, a new measure is introduced that is based on a state-driven comparison between the prediction and the actual observation.
摘要翻译：适用于运动分析的动态场景建模和变化检测的方法利用光流来捕获和建模场景的动力学。评估和利用测量中的不确定性，以便在更高维度空间中开发场景的鲁棒表示。在另一个实施例中，开发了利用多个过去帧来预测下一帧的场景的动态模型。开发了用于更新模型的增量方法，并且为了检测事件，引入了基于预测与实际观察之间的状态驱动比较的新措施。

10. 发明授权

US07321386B2 Robust stereo-driven video-based surveillance 有权
标题翻译：强大的立体声驱动视频监控
公开(公告)号：US07321386B2
公开(公告)日：2008-01-22
申请号：US10632002
申请日：2003-07-31
申请人： Anurag Mittal , Nikolaos Paragios , Visvanathan Ramesh
发明人： Anurag Mittal , Nikolaos Paragios , Visvanathan Ramesh
IPC分类号： H04N5/225
CPC分类号： G06K9/00771 , G06K9/209 , G06T7/277 , G06T7/55
摘要： A method of tracking an object comprises providing a plurality of cameras, determining an image from each camera, and determining a common plane in the images. The method further comprises determining a parallax for scene points across the images, incorporating the parallax as a feature in a background model, and estimating a change in the scene using the background model. A camera can be a pan-tilt-zoom camera. A camera can be uncalibrated.
摘要翻译：跟踪对象的方法包括提供多个相机，确定来自每个相机的图像，以及确定图像中的公共平面。该方法还包括确定跨越图像的场景点的视差，将视差结合为背景模型中的特征，以及使用背景模型估计场景的变化。相机可以是摇摄变焦相机。相机可能未被校准。

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