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1. 发明申请

US20060215031A1 Method and system for camera autocalibration 有权
标题翻译：相机自动校准的方法和系统
公开(公告)号：US20060215031A1
公开(公告)日：2006-09-28
申请号：US11296743
申请日：2005-12-07
申请人： Nils Krahnstoever , Paulo Mendonca , Jens Rittscher , Thomas Sebastian , Peter Tu
发明人： Nils Krahnstoever , Paulo Mendonca , Jens Rittscher , Thomas Sebastian , Peter Tu
IPC分类号： H04N7/18 , H04N17/00
CPC分类号： G06T7/80
摘要： A method for calibrating a projective camera is provided. The method includes acquiring information by detecting at least one object on a substantially flat ground plane within a field of view. A projective camera calibration is performed. A measurement uncertainty is considered to yield a plurality of camera parameters from the projective camera calibration.
摘要翻译：提供了一种用于校准投影摄像机的方法。该方法包括通过在视场内的基本平坦的接地平面上检测至少一个物体来获取信息。执行投影相机校准。考虑到测量不确定度可以从投影相机校准中产生多个相机参数。

2. 发明申请

US20070003141A1 System and method for automatic person counting and detection of specific events 有权
标题翻译：自动人员计数和特定事件检测的系统和方法
公开(公告)号：US20070003141A1
公开(公告)日：2007-01-04
申请号：US11290672
申请日：2005-11-30
申请人： Jens Rittscher , Peter Tu , Nils Krahnstoever , Amitha Perera , Thomas Sebastian , Xiaoming Liu
发明人： Jens Rittscher , Peter Tu , Nils Krahnstoever , Amitha Perera , Thomas Sebastian , Xiaoming Liu
IPC分类号： G06K9/00 , G06K9/34
CPC分类号： G06K9/00778
摘要： A system for detecting and counting individuals in a stationary or moving crowd based on a digital or digitized image captured from a single camera. Initial information is assumed based on a foot-to-head plane homology, where a geometric construct is developed to best enclose image features with a high probability of being an individual within a crowd. These geometric constructs are then subjected to further probabilistic analysis to determine individuals. The vector track of each individual is determined to validate the determination of a group of features as individuals, thereby compensating for occlusion of an individual within any given frame image. A virtual gate is then employed to count the individuals moving past the virtual gate. Also, by weighting portions of the individual, events near the gate can be predicted.
摘要翻译：一种用于基于从单个摄像机捕获的数字或数字化图像来检测和计数静止或移动人群中的个体的系统。假定初始信息是基于一个平头同位性，其中开发几何构造以最好地围绕人群中个体的概率最大地包围图像特征。然后对这些几何构造进行进一步的概率分析以确定个体。确定每个个体的矢量轨迹以验证作为个体的一组特征的确定，从而补偿任何给定帧图像内的个体的遮挡。然后使用虚拟门来对移动通过虚拟门的个人进行计数。此外，通过加权个体的部分，可以预测门附近的事件。

3. 发明申请

US20070211938A1 Method and system for performing image re-identification 有权
标题翻译：执行图像重新识别的方法和系统
公开(公告)号：US20070211938A1
公开(公告)日：2007-09-13
申请号：US11478049
申请日：2006-06-30
申请人： Peter Tu , Thomas Sebastian , Jens Rittscher , Nils Krahnstoever , Gianfranco Doretto , Xiaoming Liu
发明人： Peter Tu , Thomas Sebastian , Jens Rittscher , Nils Krahnstoever , Gianfranco Doretto , Xiaoming Liu
IPC分类号： G06K9/00
CPC分类号： G06K9/00295 , G06K9/00375 , G06K9/4671
摘要： A method for re-identifying an image is provided. The method comprises obtaining a plurality of images and generating a correspondence map between the plurality of images. The method further comprises defining a plurality of region signatures for one or more regions comprising the plurality of images and comparing the plurality of images based on the correspondence map and the plurality of region signatures to perform image re-identification.
摘要翻译：提供了重新识别图像的方法。该方法包括获得多个图像并在多个图像之间生成对应关系图。该方法还包括为包括多个图像的一个或多个区域定义多个区域签名，并且基于对应图和多个区域签名来比较多个图像以执行图像重新识别。

4. 发明申请

US20060120571A1 System and method for passive face recognition 审中-公开
标题翻译：被动人脸识别的系统和方法
公开(公告)号：US20060120571A1
公开(公告)日：2006-06-08
申请号：US11003229
申请日：2004-12-03
申请人： Peter Tu , Timothy Kelliher , Jens Rittscher , Nils Krahnstoever
发明人： Peter Tu , Timothy Kelliher , Jens Rittscher , Nils Krahnstoever
IPC分类号： G06K9/00
CPC分类号： G06K9/00281 , G06K9/00288
摘要： A system and method of face recognition is provided. The method includes capturing an image including a face and registering features of the image to fit with a model face to generate a registered model face. The registered model face is then transformed to a desired orientation to generate a transformed model face. The transformed model face is then compared against a plurality of stored images to identify a number of likely candidates for the face. In addition, the face recognition process may be performed passively.
摘要翻译：提供了一种面部识别系统和方法。该方法包括捕获包括脸部的图像并登记图像的特征以适合模型面以生成注册的模型脸部。然后将注册的模型面转换为期望的取向以生成变换的模型面。然后将经变换的模型面与多个存储的图像进行比较，以识别脸部可能的候选者的数量。此外，面部识别处理可以被动地进行。

5. 发明申请

US20060045310A1 System and method for tracking articulated body motion 审中-公开
标题翻译：用于跟踪关节运动的系统和方法
公开(公告)号：US20060045310A1
公开(公告)日：2006-03-02
申请号：US10927206
申请日：2004-08-27
申请人： Peter Tu , Timothy Kelliher , Jens Rittscher , Nils Krahnstoever
发明人： Peter Tu , Timothy Kelliher , Jens Rittscher , Nils Krahnstoever
IPC分类号： G06K9/00
CPC分类号： G06K9/00711 , G06K9/4609 , G08B13/19608 , G08B13/19697 , G08B13/2417 , G08B13/248
摘要： A system and method for tracking the movements of persons. The system includes at least two video devices and a computing device. The computing device is coupled to the at least two video devices and it includes a computing section capable of performing calculations to support mode stratified particle filtering. The method includes visually capturing a scene encompassing one or more strata, re-sampling each of the stratum, and redefining each of the stratum. The method further includes adding new or subtracting old strata based upon the arrival or departure of isolated targets within the scene and normalizing each of the stratum.
摘要翻译：跟踪人员流动的系统和方法。该系统包括至少两个视频设备和计算设备。计算设备耦合到至少两个视频设备，并且其包括能够执行计算以支持模式分层粒子滤波的计算部分。该方法包括在视觉上捕获包含一个或多个分层的场景，对每个层进行重新采样，并重新定义每个层。该方法还包括基于场景内孤立的目标的到达或离开来添加新的或减去旧的层，并且对每个层进行归一化。

6. 发明授权

US08320613B2 Detecting and tracking targets in images based on estimated target geometry 有权
标题翻译：根据估计的目标几何图像检测和跟踪图像中的目标
公开(公告)号：US08320613B2
公开(公告)日：2012-11-27
申请号：US12155438
申请日：2008-06-04
申请人： Nils Krahnstoever , Peter Tu , Gianfranco Doretto , Perera Ambalangoda
发明人： Nils Krahnstoever , Peter Tu , Gianfranco Doretto , Perera Ambalangoda
IPC分类号： G06K9/00
CPC分类号： G06T7/292 , G06T2207/10016 , G06T2207/20076 , G06T2207/30112 , G06T2207/30196 , G06T2207/30232
摘要： A system for detecting and tracking targets captured in images, such as people and object targets that are captured in video images from a surveillance network. Targets can be detected by an efficient, geometry-driven approach that determines likely target configuration of the foreground imagery based on estimated geometric information of possible targets. The detected targets can be tracked using a centralized tracking system.
摘要翻译：用于检测和跟踪在图像中捕获的目标的系统，例如在来自监视网络的视频图像中捕获的人和物体目标。可以通过有效的几何驱动方法来检测目标，其基于估计的可能目标的几何信息来确定前景图像的可能目标配置。可以使用集中式跟踪系统跟踪检测到的目标。

7. 再颁专利

USRE41449E1 Method and apparatus for providing virtual touch interaction in the drive-thru 有权
标题翻译：用于在驱动器中提供虚拟触摸交互的方法和装置
公开(公告)号：USRE41449E1
公开(公告)日：2010-07-20
申请号：US12027879
申请日：2008-02-07
申请人： Nils Krahnstoever , Emilio Schapira , Rajeev Sharma , Namsoon Jung
发明人： Nils Krahnstoever , Emilio Schapira , Rajeev Sharma , Namsoon Jung
IPC分类号： G06F17/00 , G06K9/00
CPC分类号： G06F3/011 , G06F3/017 , G06F3/0304
摘要： The present invention is a method and apparatus for providing an enhanced automatic drive-thru experience to the customers in a vehicle by allowing use of natural hand gestures to interact with digital content. The invention is named Virtual Touch Ordering System (VTOS). In the VTOS, the virtual touch interaction is defined to be a contact free interaction, in which a user is able to select graphical objects within the digital contents on a display system and is able to control the processes connected to the graphical objects, by natural hand gestures without touching any physical devices, such as a keyboard or a touch screen. Using the virtual touch interaction of the VTOS, the user is able to complete transactions or ordering, without leaving the car and without any physical contact with the display. A plurality of Computer Vision algorithms in the VTOS processes a plurality of input image sequences from the image-capturing system that is pointed at the customers in a vehicle and performs the virtual touch interaction by natural hand gestures. The invention can increase the throughput of drive-thru interaction and reduce the delay in wait time, labor cost, and maintenance cost.
摘要翻译：本发明是一种通过允许使用自然手势与数字内容交互来向车辆中的客户提供增强的自动驾驶经验的方法和装置。本发明被命名为虚拟触摸订购系统（VTOS）。在VTOS中，虚拟触摸交互被定义为无联系的交互，其中用户能够在显示系统上的数字内容中选择图形对象，并且能够通过自然来控制连接到图形对象的过程无需触摸任何物理设备（如键盘或触摸屏）的手势。使用VTOS的虚拟触摸交互，用户能够完成交易或订购，而不用离开汽车，并且与显示器没有任何物理接触。 VTOS中的多个计算机视觉算法处理来自图像捕获系统的指向车辆中的客户的多个输入图像序列，并通过自然的手势执行虚拟触摸交互。本发明可以增加驱动通过交互的吞吐量，并减少等待时间，人工成本和维护成本的延迟。

8. 发明授权

US07274803B1 Method and system for detecting conscious hand movement patterns and computer-generated visual feedback for facilitating human-computer interaction 有权
标题翻译：用于检测有意识的手运动模式的方法和系统以及用于促进人机交互的计算机生成的视觉反馈
公开(公告)号：US07274803B1
公开(公告)日：2007-09-25
申请号：US10403234
申请日：2003-03-31
申请人： Rajeev Sharma , Nils Krahnstoever , Emilio Schapira
发明人： Rajeev Sharma , Nils Krahnstoever , Emilio Schapira
IPC分类号： G06K9/00 , G06K9/34 , H04N7/14 , H04N7/18 , H04N9/47
CPC分类号： G06K9/00375
摘要： The present invention is a system and method for detecting and analyzing motion patterns of individuals present at a multimedia computer terminal from a stream of video frames generated by a video camera and the method of providing visual feedback of the extracted information to aid the interaction process between a user and the system. The method allows multiple people to be present in front of the computer terminal and yet allow one active user to make selections on the computer display. Thus the invention can be used as method for contact-free human-computer interaction in a public place, where the computer terminal can be positioned in a variety of configurations including behind a transparent glass window or at a height or location where the user cannot touch the terminal physically.
摘要翻译：本发明是一种用于从由摄像机产生的视频帧流中检测和分析存在于多媒体计算机终端的个人的运动模式的系统和方法，以及提供所提取的信息的视觉反馈以帮助在用户和系统。该方法允许多个人存在于计算机终端之前，并且允许一个主动用户在计算机显示器上进行选择。因此，本发明可以用作公共场合中的无接触人机交互的方法，其中计算机终端可以以包括透明玻璃窗后面或用户不能接触的高度或位置处的各种配置来定位物理终端。

9. 发明授权

US06996460B1 Method and apparatus for providing virtual touch interaction in the drive-thru 有权
标题翻译：用于在驱动器中提供虚拟触摸交互的方法和装置
公开(公告)号：US06996460B1
公开(公告)日：2006-02-07
申请号：US10679226
申请日：2003-10-02
申请人： Nils Krahnstoever , Emilio Schapira , Rajeev Sharma , Namsoon Jung
发明人： Nils Krahnstoever , Emilio Schapira , Rajeev Sharma , Namsoon Jung
IPC分类号： G06F17/00
CPC分类号： G06F3/011 , G06F3/017 , G06F3/0304
摘要： The present invention is a method and apparatus for providing an enhanced automatic drive-thru experience to the customers in a vehicle by allowing use of natural hand gestures to interact with digital content. The invention is named Virtual Touch Ordering System (VTOS). In the VTOS, the virtual touch interaction is defined to be a contact free interaction, in which a user is able to select graphical objects within the digital contents on a display system and is able to control the processes connected to the graphical objects, by natural hand gestures without touching any physical devices, such as a keyboard or a touch screen. Using the virtual touch interaction of the VTOS, the user is able to complete transactions or ordering, without leaving the car and without any physical contact with the display. A plurality of Computer Vision algorithms in the VTOS processes a plurality of input image sequences from the image-capturing system that is pointed at the customers in a vehicle and performs the virtual touch interaction by natural hand gestures. The invention can increase the throughput of drive-thru interaction and reduce the delay in wait time, labor cost, and maintenance cost.
摘要翻译：本发明是一种通过允许使用自然手势与数字内容交互来向车辆中的客户提供增强的自动驾驶经验的方法和装置。本发明被命名为虚拟触摸订购系统（VTOS）。在VTOS中，虚拟触摸交互被定义为无联系的交互，其中用户能够在显示系统上的数字内容中选择图形对象，并且能够通过自然来控制连接到图形对象的过程无需触摸任何物理设备（如键盘或触摸屏）的手势。使用VTOS的虚拟触摸交互，用户能够完成交易或订购，而不用离开汽车，并且与显示器没有任何物理接触。 VTOS中的多个计算机视觉算法处理来自图像捕获系统的指向车辆中的客户的多个输入图像序列，并通过自然的手势执行虚拟触摸交互。本发明可以增加驱动通过交互的吞吐量，并减少等待时间，人工成本和维护成本的延迟。

10. 发明申请

US20110187703A1 METHOD AND SYSTEM FOR OBJECT TRACKING USING APPEARANCE MODEL 审中-公开
标题翻译：使用外观模型对象跟踪的方法和系统
公开(公告)号：US20110187703A1
公开(公告)日：2011-08-04
申请号：US12696424
申请日：2010-01-29
申请人： Kedar Anil Patwardhan , Ting Yu , Nils Krahnstoever
发明人： Kedar Anil Patwardhan , Ting Yu , Nils Krahnstoever
IPC分类号： G06T15/00 , H04N5/225 , G06K9/00
CPC分类号： G06K9/00 , G06T15/00 , H04N5/225
摘要： A method and system are provided for tracking an object, such as a person, within in a scene. The system/method receives input to track an object of interest in a scene with one or more image capture devices, captures a 2D image of the object, creates via an image processing system a 4D model of the object, and then uses the model to provide enhanced tracking of the object.
摘要翻译：提供了一种用于跟踪场景内的对象（例如人）的方法和系统。系统/方法接收输入以利用一个或多个图像捕获设备跟踪场景中的感兴趣对象，捕获对象的2D图像，经由图像处理系统创建对象的4D模型，然后使用该模型提供对物体的增强跟踪。

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