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    WINDSHIELD LOCALIZATION FOR OCCUPANCY DETECTION
    31.
    发明申请
    WINDSHIELD LOCALIZATION FOR OCCUPANCY DETECTION 有权
    用于家庭检测的WINDSHIELD本地化

    公开(公告)号：US20140301597A1

    公开(公告)日：2014-10-09

    申请号：US13859047

    申请日：2013-04-09

    Applicant: XEROX CORPORATION

    Inventor： Beilei Xu ,  Peter Paul

    IPC: G06K9/00

    CPC classification number: G06K9/00832 ,  G06K9/00785

    Abstract: A system and method to capture an image of an oncoming target vehicle and localize the windshield of the target vehicle. Upon capturing an image, it is then analyzed to detect certain features of the target vehicle. Based on geometrical relationships of the detected features, the area of the image containing the windshield of the vehicle can then be identified and localized for downstream processing.

    Abstract translation: 捕获迎面而来的目标车辆的图像并定位目标车辆的挡风玻璃的系统和方法。 在捕获图像时，然后对其进行分析以检测目标车辆的某些特征。 基于检测到的特征的几何关系，可以识别包含车辆挡风玻璃的图像的区域，以便进行下游处理。

    Continuous cardiac signal generation from a video of a subject being monitored for cardiac function
    34.
    发明授权
    Continuous cardiac signal generation from a video of a subject being monitored for cardiac function 有权

    公开(公告)号：US09662022B2

    公开(公告)日：2017-05-30

    申请号：US13871766

    申请日：2013-04-26

    Applicant: Xerox Corporation

    Inventor： Survi Kyal ,  Lalit Keshav Mestha ,  Beilei Xu

    IPC: A61B5/024 ,  A61B5/00 ,  A61B5/021 ,  A61B5/0295

    CPC classification number: A61B5/02405 ,  A61B5/021 ,  A61B5/02416 ,  A61B5/02444 ,  A61B5/0295 ,  A61B5/7225

    Abstract: What is disclosed is a system and method for extracting photoplethysmographic (PPG) signal (i.e., a cardiac signal) on a continuous basis from a time-series signals obtained from video images captured of a subject being monitored for cardiac function in a non-contact remote sensing environment involves the following. First, a time-series signal obtained from video images captured of a region of exposed skin where a photoplethysmographic (PPG) signal of a subject of interest can be registered. A sliding window is then used to define consecutive sequential segments of the time-series signal for processing. Each of the consecutive time-series signal segments is detrended such that low frequency variations and non-stationary components are removed. The detrended signals are processed to obtain, for each segment, a PPG signal. The PPG signal segments are then stitched together using a stitching method, as disclosed herein, to obtain a continuous PPG signal for the subject.

    Compensating for motion induced artifacts in a physiological signal extracted from multiple videos
    35.
    发明授权
    Compensating for motion induced artifacts in a physiological signal extracted from multiple videos 有权
    补偿从多个视频中提取的生理信号中的运动诱发伪像

    公开(公告)号：US09443289B2

    公开(公告)日：2016-09-13

    申请号：US13923612

    申请日：2013-06-21

    Applicant: Xerox Corporation

    Inventor： Beilei Xu ,  Lalit Keshav Mestha ,  Survi Kyal ,  Himanshu J. Madhu

    IPC: G06K9/00 ,  G06T5/00 ,  G06T5/50 ,  G06T7/00

    CPC classification number: G06T5/003 ,  G06T5/50 ,  G06T7/0016 ,  G06T2207/10016 ,  G06T2207/20201 ,  G06T2207/30088

    Abstract: What is disclosed is a system for compensating for motion induced artifacts in a physiological signal obtained from multiple videos of a first and second region of interest a subject being monitored for a desired physiological function. At least one of the videos being of the first region and at least one of the videos being of the second region. The first region being at least one area of exposed skin where a desired signal corresponding to the physiological function can be registered by a video imaging device. The second region being an area where a movement by the subject is likely to induce motion artifacts into the signal. The videos are processed to isolate pixels associated with the first and second regions. Processed pixels of the isolated first regions to obtain a composite time-series signal. From the composite signal, a physiological signal corresponding to the physiological function is extracted.

    Abstract translation: 所公开的是一种用于补偿从受感染的第一和第二感兴趣区域的多个视频获得的生理信号中的运动诱发伪影的系统，该对象被监视为期望的生理功能。 至少一个视频是第一区域，并且至少一个视频是第二区域。 第一区域是暴露皮肤的至少一个区域，其中对应于生理功能的期望信号可由视频成像装置登记。 第二区域是被摄体的移动可能引起运动伪像进入信号的区域。 处理视频以分离与第一和第二区域相关联的像素。 隔离的第一区域的处理像素以获得复合时间序列信号。 从复合信号中提取与生理功能对应的生理信号。

    ROBUST WINDSHIELD DETECTION VIA LANDMARK LOCALIZATION
    37.
    发明申请
    ROBUST WINDSHIELD DETECTION VIA LANDMARK LOCALIZATION 有权
    通过地标定位进行强大的风力发电检测

    公开(公告)号：US20150286883A1

    公开(公告)日：2015-10-08

    申请号：US14245319

    申请日：2014-04-04

    Applicant: XEROX CORPORATION

    Inventor： Beilei Xu ,  Yusuf O. Artan ,  Peter Paul

    IPC: G06K9/00 ,  G06K9/62 ,  G06T7/00 ,  G06K9/46

    CPC classification number: G06K9/00832 ,  G06K9/00228 ,  G06K9/00785 ,  G06K9/00838 ,  G06K9/4638 ,  G06K9/6202 ,  G06K9/6206 ,  G06K9/6267 ,  G06T2207/10004 ,  G06T2207/20076 ,  G06T2207/20132 ,  G06T2207/30268 ,  G08G1/0175 ,  G08G1/04 ,  H04N5/33

    Abstract: A system and method that includes training a classifier using uniquely defined landmark points along the windshield region based on an elastic deformation model. The deformation model uses mixtures of trees with a shared pool of parts and can be globally optimized with dynamic programming and still capture much relevant global elastic structure. Once a candidate area is identified in the scene, a learned threshold is applied to the classification score of the candidate area to determine if the candidate area is a windshield. The identified area is then cropped out for further downstream process.

    Abstract translation: 一种系统和方法，其包括基于弹性变形模型沿着挡风玻璃区域使用唯一定义的地标点来训练分类器。 变形模型使用树的混合物与共享的部分池，并且可以通过动态规划进行全局优化，并且仍然捕获相当大的全局弹性结构。 一旦在场景中识别到候选区域，则将学习阈值应用于候选区域的分类分数，以确定候选区域是否为挡风玻璃。 然后将识别的区域裁出以进一步下游处理。

    Continuous cardiac pulse rate estimation from multi-channel source video data with mid-point stitching
    38.
    发明授权
    Continuous cardiac pulse rate estimation from multi-channel source video data with mid-point stitching 有权
    连续心脏脉搏率估计来自多通道源视频数据与中点拼接

    公开(公告)号：US09036877B2

    公开(公告)日：2015-05-19

    申请号：US13871728

    申请日：2013-04-26

    Applicant: Xerox Corporation

    Inventor： Survi Kyal ,  Lalit Keshav Mestha ,  Beilei Xu

    IPC: G06K9/00 ,  A61B5/00 ,  A61B5/024

    CPC classification number: A61B5/7225 ,  A61B5/0013 ,  A61B5/0077 ,  A61B5/02416 ,  A61B5/7203 ,  A61B5/7278 ,  G06F19/00 ,  G06K9/00496 ,  G06T7/0016 ,  G06T2207/30004 ,  G06T2207/30076 ,  G16H40/67

    Abstract: What is disclosed is a novel system and method for extracting photoplethysmographic (PPG) signals (i.e., cardiac signals) on a continuous basis from signals generated from video images captured of a subject being monitored for cardiac function in a non-contact remote sensing environment. In one embodiment, a time-series signal is received. The time-series signal is generated from video images captured of a region of exposed skin where a PPG signal of a subject of interest can be registered. The time-series signal is then divided into batches for processing, with successive batches having at least a 95% overlap with a previous batch. Each of the batches of time-series signals is processed to obtain a PPG signal from each batch. A mid-point of each of these PPG-signals is stitched together to obtain a continuous PPG signal for the subject. The continuous PPG signal for the subject can then viewed on a display device.

    Abstract translation: 所公开的是一种用于从非接触式遥感环境中心脏功能监测对象被捕获的视频图像产生的信号连续提取光电体积描记术（PPG）信号（即心脏信号）的新型系统和方法。 在一个实施例中，接收时间序列信号。 时间序列信号是从可以登记感兴趣对象的PPG信号的暴露皮肤区域拍摄的视频图像产生的。 然后将时间序列信号分成批次进行处理，其中连续批次与先前批次具有至少95％的重叠。 处理每批批次的时间序列信号以从每个批次获得PPG信号。 将这些PPG信号的每一个的中点缝合在一起以获得对象的连续的PPG信号。 然后可以在显示设备上观看被摄体的连续PPG信号。

    DYNAMIC MULTI-WINDOWED IMAGE ENHANCEMENT FOR INTERACTIVE HOV DETECTION
    39.
    发明申请
    DYNAMIC MULTI-WINDOWED IMAGE ENHANCEMENT FOR INTERACTIVE HOV DETECTION 有权
    用于交互式检测的动态多窗口图像增强

    公开(公告)号：US20150097952A1

    公开(公告)日：2015-04-09

    申请号：US14049578

    申请日：2013-10-09

    Applicant: Xerox Corporation

    Inventor： Reiner Eschbach ,  Beilei Xu ,  Peter Paul

    IPC: G06K9/00 ,  H04N5/232 ,  H04N7/18

    CPC classification number: H04N5/23229 ,  G06K9/00785 ,  G06T5/008 ,  G06T5/40 ,  H04N7/183

    Abstract: A system and method for enhancing images including an image capture device operably connected to a data processing device that captures an image of a target vehicle, and a processor-usable medium embodying computer code, said processor-usable medium being coupled to said data processing device, said computer program code comprising instructions executable by said processor. The instructions configured for identifying a region within the image including a window of the target vehicle, applying a first image enhancement effect to the identified region, applying a second image enhancement effect to a remainder of the image not including the identified region, the second image enhancement effect different than the first image enhancement effect.

    Abstract translation: 一种用于增强图像的系统和方法，包括可操作地连接到捕获目标车辆的图像的数据处理装置的图像捕获装置和体现计算机代码的处理器可用介质，所述处理器可用介质耦合到所述数据处理装置 所述计算机程序代码包括可由所述处理器执行的指令。 所述指令被配置用于识别包括所述目标车辆的窗口的所述图像内的区域，对所识别的区域应用第一图像增强效果，将第二图像增强效果应用于不包括所识别的区域的所述图像的其余部分，所述第二图像 增强效果不同于第一图像增强效果。

    Methods and Systems for Video-Based Chew Counting Via Feature Tracking
    40.
    发明申请
    Methods and Systems for Video-Based Chew Counting Via Feature Tracking 有权
    通过特征跟踪的基于视频的咀嚼计数的方法和系统

    公开(公告)号：US20140198947A1

    公开(公告)日：2014-07-17

    申请号：US13742658

    申请日：2013-01-16

    Applicant: XEROX CORPORATION

    Inventor： Beilei Xu ,  Robert P. Loce ,  Graham Pennington

    IPC: G06K9/32

    CPC classification number: G06K9/00261

    Abstract: A system and method of video-based chew counting by receiving image frames from a video camera, determining feature points within the image frames from the video camera, generating a motion signal based on movement of the feature points across the image frames from the video camera, and determining a chew count based on the motion signal.

    Abstract translation: 一种通过从摄像机接收图像帧的基于视频的咀嚼计数的系统和方法，确定来自摄像机的图像帧内的特征点，基于来自摄像机的图像帧上的特征点的移动产生运动信号 ，并且基于运动信号确定咀嚼计数。

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