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1. 发明申请

US20170243057A1 SYSTEM AND METHOD FOR AUTOMATIC GAIT CYCLE SEGMENTATION 有权
公开(公告)号：US20170243057A1
公开(公告)日：2017-08-24
申请号：US15283663
申请日：2016-10-03
申请人： Xerox Corporation
发明人： Hao Wu , Beilei Xu , Wencheng Wu , Robert P. Loce
IPC分类号： G06K9/00 , G06T7/20 , G06T7/00
CPC分类号： G06K9/00348 , A61B5/112 , A61B5/1128 , A61B5/117 , A61B5/7235 , A61B5/7275 , G06K9/00342 , G06K9/00362 , G06K9/00885 , G06K9/4604 , G06K9/6202 , G06T7/11 , G06T7/20 , G06T7/246 , G06T7/285 , G06T2207/10004 , G06T2207/20164 , G06T2207/30196
摘要： A computer-implemented system and method for gait analysis of a subject. The method includes obtaining visual data from an image capture device positioned in front of or behind the subject, the plurality of image frames capturing at least one gait cycle of the gait of the subject, detecting one or more prescribed features within the plurality of image frames, analyzing each of the plurality of image frames to detect cross-frame stability of the one or more prescribed features, and segmenting the gait of the subject into at least one gait cycle based at least in part on the detected cross-frame stability of the one or more prescribed features.

2. 发明授权

US09672434B2 Video-based system and method for parking occupancy detection 有权
公开(公告)号：US09672434B2
公开(公告)日：2017-06-06
申请号：US14805608
申请日：2015-07-22
申请人： Xerox Corporation
发明人： Hao Wu , Robert P. Loce , Yao Rong Wang
IPC分类号： G06K9/00 , G06K9/46 , G06K9/52 , G06T5/00
CPC分类号： G06K9/00812 , G06K9/00751 , G06K9/00771 , G06K9/4652 , G06K9/4661 , G06K9/52 , G06T5/00
摘要： A spatiotemporal system and method for parking occupancy detection. The system can generally include suitable image acquisition, processing, transmission and data storage devices configured to carry out the method which includes generating and processing spatiotemporal images to detect the presence of an object in a region of interest, such as a vehicle in a parking stall.

3. 发明授权

US09477892B2 Efficient method of offline training a special-type parked vehicle detector for video-based on-street parking occupancy detection systems 有权
标题翻译：用于离线训练用于视频路边停车场占用检测系统的特殊型驻车检测器的高效方法
公开(公告)号：US09477892B2
公开(公告)日：2016-10-25
申请号：US14226078
申请日：2014-03-26
申请人： Xerox Corporation
发明人： Wencheng Wu , Edgar A. Bernal , Yao Rong Wang , Robert P. Loce , Orhan Bulan
IPC分类号： G06K9/00 , G06K9/46 , G06K9/62 , G06K9/52 , G06K9/32
CPC分类号： G06K9/00785 , G06K9/3241 , G06K9/46 , G06K9/52 , G06K9/6256 , G06K9/6267 , G06K2009/4666
摘要： A method for training a vehicle detection system used in a street occupancy estimation of stationary vehicles. The method includes defining first and second areas on an image plane of an image capture device associated with monitoring for detection of vehicles. The method includes receiving video-data from a sequence of frames captured from the image capture device. The method includes determining candidate frames that include objects relevant to a classification task in the second area. The method includes extracting the objects from the candidate frames, extracting features of each extracted object, and assigning labels to the each extracted object. The method includes training at least one classifier using the labels and extracted features. The method includes using the at least one trained classifier to classify a stationary vehicle detected in the first area.
摘要翻译：一种在固定车辆的街道占用估计中使用的车辆检测系统的训练方法。该方法包括在与用于检测车辆的监视相关联的图像捕获装置的图像平面上限定第一和第二区域。该方法包括从从图像捕获设备捕获的帧序列中接收视频数据。该方法包括确定包括与第二区域中的分类任务相关的对象的候选帧。该方法包括从候选帧中提取对象，提取每个提取的对象的特征，以及为每个提取的对象分配标签。该方法包括使用标签和提取的特征来训练至少一个分类器。该方法包括使用至少一个经过训练的分类器对在第一区域中检测到的静止车辆进行分类。

4. 发明授权

US09384396B2 System and method for detecting settle down time using computer vision techniques 有权
标题翻译：使用计算机视觉技术检测沉降时间的系统和方法
公开(公告)号：US09384396B2
公开(公告)日：2016-07-05
申请号：US14673990
申请日：2015-03-31
申请人： Xerox Corporation
发明人： Robert P. Loce , Waqas Sultani , Hao Wu , Beilei Xu , Thomas F. Wade , Mary Ann Sprague , Patricia Swenton-Wall , Megan Clar , Eric Harte
IPC分类号： G06K9/00 , G06K9/52 , G06K9/46 , G06K9/62
CPC分类号： G06K9/00624 , G06K9/00342 , G06K9/00771 , G06K9/00838 , G06K9/3233 , G06K9/46 , G06K9/4642 , G06K9/4652 , G06K9/52 , G06K9/6212 , G06K9/6215 , G06K9/6267 , G06K2009/4666
摘要： A method for detecting settle-down time in a space includes acquiring a sequence of frames capturing a select space from a first camera. The method includes determining an initial time for computing a duration it takes for an associated occupant to settle into a seat in the select space. The method includes determining one or more candidate frames from the sequence of frames where one or both of a sitting behavior and seat occupancy is observed at the seat. The method includes determining a final frame and a final time associated with the final frame from the one or more candidate frames. The method includes computing the settle-down time using the initial and the final times.
摘要翻译：用于检测空间中的稳定时间的方法包括从第一相机获取捕获选择空间的帧序列。该方法包括确定用于计算相关乘客在选择空间中的座位中所需的持续时间的初始时间。该方法包括从在座椅上观察到坐姿和座位占有率中的一个或两个的帧序列确定一个或多个候选帧。该方法包括从一个或多个候选帧确定最终帧和与最终帧相关联的最后时间。该方法包括使用初始和最终时间来计算安定时间。

5. 发明申请

US20160148058A1 TRAFFIC VIOLATION DETECTION 有权
标题翻译：交通违规检测
公开(公告)号：US20160148058A1
公开(公告)日：2016-05-26
申请号：US15013354
申请日：2016-02-02
申请人： Xerox Corporation
发明人： Orhan Bulan , Aaron M. Burry , Robert P. Loce
IPC分类号： G06K9/00 , G06T7/00 , G06K9/46 , G06T7/20 , G06K9/62
CPC分类号： G06K9/00771 , G06K9/00785 , G06K9/4652 , G06K9/6267 , G06T2207/10016 , G06T2207/10024 , G06T2207/30232 , G06T2207/30236 , G06T2207/30241 , G08G1/0175
摘要： A method for detecting a vehicle running a stop signal positioned at an intersection includes acquiring a sequence of frames from at least one video camera monitoring an intersection being signaled by the stop signal. The method includes defining a first region of interest (ROI) including a road region located before the intersection on the image plane. The method includes searching the first ROI for a candidate violating vehicle. In response to detecting the candidate violating vehicle, the method includes tracking at least one trajectory of the detected candidate violating vehicle across a number of frames. The method includes classifying the candidate violating vehicle as belonging to one of a violating vehicle and a non-violating vehicle based on the at least one trajectory.
摘要翻译：用于检测运行位于交叉点处的停止信号的车辆的方法包括从至少一个监视由停止信号通知的交叉路口的摄像机获取帧序列。该方法包括定义第一感兴趣区域（ROI），其包括位于图像平面上的交点之前的道路区域。该方法包括搜索候选违反车辆的第一ROI。响应于检测到候选违禁车辆，该方法包括跟踪检测到的候选违反车辆的至少一个轨迹跨越多个帧。所述方法包括基于所述至少一个轨迹将候选违禁车辆分类为属于违禁车辆和非违禁车辆之一的车辆。

6. 发明授权

US09213900B2 Automated vision-based clutter detector and notifier 有权
标题翻译：自动化的基于视觉的杂波检测器和通知器
公开(公告)号：US09213900B2
公开(公告)日：2015-12-15
申请号：US13911105
申请日：2013-06-06
申请人： Xerox Corporation
发明人： Edgar A. Bernal , Robert P. Loce , Wencheng Wu
IPC分类号： G06K9/00
CPC分类号： G06K9/00771
摘要： A system and method of monitoring a customer space including obtaining visual data comprising image frames of the customer space over a period of time, defining a region of interest within the customer space, the region of interest corresponding to a portion of the customer space in which customers relocate objects, monitoring the region of interest for at least one predefined clutter condition, and generating a notification when the at least one predefined clutter condition is detected.
摘要翻译：一种监测客户空间的系统和方法，包括获得包括客户空间的图像帧的视觉数据，所述可视数据在一段时间内定义所述客户空间内的感兴趣区域，所述感兴趣区域与所述客户空间的一部分相对应，客户重新定位对象，监视感兴趣区域至少一个预定义的杂波条件，以及当检测到至少一个预定义杂波条件时产生通知。

7. 发明申请

US20150310606A1 STORE RESOURCE EVENT DETECTION 有权
标题翻译：存储资源事件检测
公开(公告)号：US20150310606A1
公开(公告)日：2015-10-29
申请号：US14672943
申请日：2015-03-30
申请人： Xerox Corporation
发明人： Matthew A. Shreve , Michael C. Mongeon , Edgar A. Bernal , Robert P. Loce
IPC分类号： G06T7/00 , G06K9/00 , H04N7/18
CPC分类号： H01L21/28556 , C23C16/00 , G06K2009/00738 , H01J37/32715 , H01L21/02252 , H01L21/02274 , H01L21/0228 , H01L21/0262 , H01L21/265 , H01L21/3065 , H01L21/31116 , H01L21/31138 , H01L21/32136 , H01L21/6833 , H04N7/181 , H04N7/188
摘要： A computer vision system (100) operates to monitor an environment (e.g., such as a restaurant, store or other retail establishment) including a resource located therein (e.g., such as a restroom, a dining table, a drink, condiment or supply dispenser, a trash receptacle or a tray collection rack). The system includes: an image source or camera (104) that supplies image data (130) representative of at least a portion of the environment monitored by the system, the portion including the resource therein; and an event detection device (102) including a data processor (112) and operative to detect an event involving the resource. Suitably, the event detection device is arranged to: (i) be selectively configurable by a user to define the event involving the resource; (ii) receive the image data supplied by the image source; (iii) analyze the received image data to detect the defined event; and (iv) output a notification in response to detecting the defined event.
摘要翻译：计算机视觉系统（100）用于监视包括位于其中的资源（例如，诸如洗手间，餐桌，饮料，调味品或供给分配器等）的环境（例如餐馆，商店或其他零售店），垃圾桶或托盘收集架）。该系统包括：图像源或照相机（104），其提供表示由系统监视的环境的至少一部分的图像数据（130），该部分包括其中的资源; 以及包括数据处理器（112）并且可操作以检测涉及所述资源的事件的事件检测设备（102）。适当地，事件检测装置被布置为：（i）由用户有选择地配置以定义涉及资源的事件; （ii）接收由图像源提供的图像数据; （iii）分析所接收的图像数据以检测所定义的事件; 以及（iv）响应于检测到所定义的事件而输出通知。

8. 发明授权

US09165194B2 Heuristic-based approach for automatic payment gesture classification and detection 有权
标题翻译：用于自动支付手势分类和检测的基于启发式的方法
公开(公告)号：US09165194B2
公开(公告)日：2015-10-20
申请号：US13964652
申请日：2013-08-12
申请人： Xerox Corporation
发明人： Matthew Adam Shreve , Michael C. Mongeon , Robert P. Loce , Edgar A. Bernal
IPC分类号： G06K9/00 , H04N7/18 , G06Q20/30 , G06T7/20
CPC分类号： G06K9/00771 , G06K9/00335 , G06Q20/30 , G06T7/215 , G06T2207/20112 , G06T2207/30232 , H04N7/18 , H04N7/181
摘要： A system and method for automatic classification and detection of a payment gesture are disclosed. The method includes obtaining a video stream from a camera placed above at least one region of interest, the region of interest classifying the payment gesture. A background image is generated from the obtained video stream. Motion is estimated in at least two consecutive frames from the video stream. A representation is created from the background image and the estimated motion occurring within the at least one region of interest. The payment gesture is detected based on the representation.
摘要翻译：公开了一种用于自动分类和检测支付手势的系统和方法。该方法包括从放置在至少一个感兴趣区域上的相机获取视频流，该感兴趣区域对支付手势进行分类。从获得的视频流生成背景图像。从视频流中至少连续两帧估计运动。从背景图像和在所述至少一个感兴趣区域内发生的估计运动创建表示。基于表示检测支付手势。

9. 发明申请

US20150294394A1 USING HEAD MOUNTABLE DISPLAYS TO PROVIDE REAL-TIME ASSISTANCE TO EMPLOYEES IN A RETAIL ENVIRONMENT 有权
标题翻译：使用头戴式显示器向零售环境中的员工提供实时帮助
公开(公告)号：US20150294394A1
公开(公告)日：2015-10-15
申请号：US14253074
申请日：2014-04-15
申请人： Xerox Corporation
发明人： Matthew A. Shreve , Michael C. Mongeon , Robert P. Loce
IPC分类号： G06Q30/06 , G02B27/01 , G06T19/00 , G06K9/00 , G06Q10/08 , G06Q20/18
CPC分类号： G06Q30/0635 , G02B27/017 , G02B2027/0138 , G02B2027/014 , G02B2027/0141 , G02B2027/0178 , G06K9/00671 , G06Q10/083 , G06Q20/18
摘要： A system for delivering one of a good and service to a customer in a retail environment includes a computer located at an order station. The computer is configured to receive an order for the one good and service. The system includes a first image capture device in communication with the computer. The first image capture device captures a first image of a customer ordering the one good and service in response to the order being submitted. The system further includes a wearable computer peripheral device configured to acquire the first image from the first image capture device and electronically display the first image to a user tasked with delivering the one good and service while carrying the second wearable computer peripheral device. In this manner, an identity of the customer can be compared against the first image upon a delivery of the one good and service.
摘要翻译：用于在零售环境中向客户传送商品和服务中的一个的系统包括位于订单站的计算机。计算机被配置为接收一个商品和服务的订单。该系统包括与计算机通信的第一图像捕获装置。第一个图像捕获设备捕获客户的第一个图像，以响应提交的顺序订购一个商品和服务。该系统还包括可佩戴的计算机外围设备，其被配置为从第一图像捕获设备获取第一图像，并且在携带第二可佩戴计算机外围设备的同时传送一个商品和服务的电子地将第一图像电子地显示给用户。以这种方式，可以在交付一个商品和服务时将客户的身份与第一图像进行比较。

10. 发明申请

US20140267733A1 SINGLE CAMERA VIDEO-BASED SPEED ENFORCEMENT SYSTEM WITH A SECONDARY AUXILIARY RGB TRAFFIC CAMERA 有权
标题翻译：单相摄像机视频基础速度执行系统与二次辅助RGB交通摄像机
公开(公告)号：US20140267733A1
公开(公告)日：2014-09-18
申请号：US13795744
申请日：2013-03-12
申请人： XEROX CORPORATION
发明人： Wencheng Wu , Edgar A. Bernal , Robert P. Loce , Thomas F. Wade , Abu Islam
IPC分类号： G08G1/054
CPC分类号： G08G1/054 , G08G1/0175
摘要： When performing video-based speed enforcement a main camera and a secondary RGB traffic camera are employed to provide improved accuracy of speed measurement and improved evidentiary photo quality compared to single camera approaches. The RGB traffic camera provides sparse secondary video data at a lower cost than a conventional stereo camera. The sparse stereo processing is performed using the main camera data and the sparse RGB camera data to estimate a height of one or more tracked vehicle features, which in turn is used to improve speed estimate accuracy. By using secondary video, spatio-temporally sparse stereo processing is enabled specifically for estimating the height of a vehicle feature above the road surface.
摘要翻译：当执行基于视频的速度执行时，与单个摄像机方法相比，使用主摄像机和次要RGB业务摄像机来提供改进的速度测量精度和改进的证据照片质量。 RGB传输相机以比传统立体相机低的成本提供稀疏的次要视频数据。使用主相机数据和稀疏RGB相机数据来执行稀疏立体声处理，以估计一个或多个跟踪的车辆特征的高度，其又用于提高速度估计精度。通过使用次级视频，专门用于估计路面上方的车辆特征的高度的时空稀疏立体声处理。

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