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    MOBILE DOCUMENT CAPTURE ASSIST FOR OPTIMIZED TEXT RECOGNITION
    71.
    发明申请
    MOBILE DOCUMENT CAPTURE ASSIST FOR OPTIMIZED TEXT RECOGNITION 有权
    用于优化文本识别的移动文档捕获助手

    公开(公告)号：US20150049948A1

    公开(公告)日：2015-02-19

    申请号：US13968534

    申请日：2013-08-16

    Applicant: Xerox Corporation

    Inventor： Raja Bala

    IPC: G06K9/18

    CPC classification number: G06K9/18 ,  G06K9/00671 ,  G06K9/2081 ,  G06K2009/363 ,  G06K2209/01

    Abstract: A device and method for providing a visual cue for improved text imaging on a mobile device. The method includes determining a minimum text size for accurate optical character recognition (OCR) of an image captured by the mobile device, receiving an image stream of a printed substrate, and displaying the image stream and a visual cue superimposed onto the image stream, wherein the visual cue is indicative of the minimum text size. The method further includes capturing a digital image of the image stream, wherein the digital image does not include the visual cue. Additionally, the method further includes notifying a user of the mobile device when text displayed within the image stream is at least as large as the minimum text size.

    Abstract translation: 一种用于在移动设备上提供用于改进文本成像的视觉提示的设备和方法。 该方法包括确定由移动设备捕获的图像的精确光学字符识别（OCR）的最小文本大小，接收印刷基板的图像流，以及显示图像流和叠加到图像流上的视觉提示，其中 视觉提示表示最小文字大小。 该方法还包括捕获图像流的数字图像，其中数字图像不包括视觉提示。 此外，该方法还包括当在图像流内显示的文本至少与最小文本大小一样大时，通知移动设备的用户。

    METHODS AND SYSTEMS FOR MULTIMEDIA TRAJECTORY ANNOTATION
    72.
    发明申请
    METHODS AND SYSTEMS FOR MULTIMEDIA TRAJECTORY ANNOTATION 有权
    多媒体TRAJECTORY ANNOTATION的方法和系统

    公开(公告)号：US20140226852A1

    公开(公告)日：2014-08-14

    申请号：US13767658

    申请日：2013-02-14

    Applicant: XEROX CORPORATION

    Inventor： Qun Li ,  Edgar A. Bernal ,  Wencheng Wu ,  Beilei Xu ,  Robert P. Loce ,  Raja Bala ,  Stuart A. Schweid

    IPC: G06K9/32

    CPC classification number: G06K9/00771

    Abstract: A system and method of providing annotated trajectories by receiving image frames from a video camera and determining a location based on the image frames from the video camera. The system and method can further include the steps of determining that the location is associated with a preexisting annotation and displaying the preexisting annotation. Additionally or alternatively, the system and method can further include the steps of generating a new annotation automatically or based on a user input and associating the new annotation with the current location.

    Abstract translation: 一种通过从摄像机接收图像帧并基于来自摄像机的图像帧来确定位置来提供注释轨迹的系统和方法。 该系统和方法还可以包括以下步骤：确定位置与预先注释相关联并显示预先存在的注释。 附加地或替代地，系统和方法还可以包括以下步骤：自动地或基于用户输入生成新的注释并将新注释与当前位置相关联。

    MOBILE DOCUMENT CAPTURE ASSISTANCE USING AUGMENTED REALITY
    73.
    发明申请
    MOBILE DOCUMENT CAPTURE ASSISTANCE USING AUGMENTED REALITY 有权
    移动文档使用已实现的现实获取帮助

    公开(公告)号：US20140118560A1

    公开(公告)日：2014-05-01

    申请号：US13664810

    申请日：2012-10-31

    Applicant: XEROX CORPORATION

    Inventor： Raja Bala ,  Lina Fu ,  Hengzhou Ding

    IPC: H04N5/225

    CPC classification number: H04N1/00466 ,  H04N1/19594 ,  H04N5/225 ,  H04N5/23293

    Abstract: A method and device for aligning an image of a printed substrate using a mobile device. The method includes receiving, by an image capturing device, an image stream of a printed substrate; determining, by a processing device operably connected to the image capturing device, a location and a geometry of the printed substrate from the image stream; displaying, on a display operably connected to the processing device, the image stream; overlaying, by the processing device, at least a first visual marker onto the printed substrate as displayed in the image stream using the location and geometry; and instructing, by the processing device, a user of the mobile device to move the mobile device to align the mobile device and the printed substrate. The device includes the various hardware components configured to perform the method of aligning.

    Abstract translation: 一种使用移动装置对准印刷基板的图像的方法和装置。 该方法包括：通过图像捕获装置接收印刷基板的图像流; 通过可操作地连接到所述图像捕获装置的处理装置从所述图像流确定所述印刷基板的位置和几何形状; 在可操作地连接到所述处理装置的显示器上显示所述图像流; 通过处理装置将使用位置和几何形状显示在图像流中的至少第一视觉标记叠加到印刷基板上; 以及由所述处理设备指示所述移动设备的用户移动所述移动设备以对准所述移动设备和所述打印的基板。 该设备包括被配置为执行对准方法的各种硬件组件。

    MAGNETIC WATERMARKING OF A PRINTED SUBSTRATE BY METAMERIC RENDERING
    76.
    发明申请
    MAGNETIC WATERMARKING OF A PRINTED SUBSTRATE BY METAMERIC RENDERING 审中-公开

    公开(公告)号：US20180144572A1

    公开(公告)日：2018-05-24

    申请号：US15873213

    申请日：2018-01-17

    Applicant: Xerox Corporation

    Inventor： Reiner Eschbach ,  Martin S. Maltz ,  Raja Bala ,  Yonghui Zhao

    IPC: G07D7/04 ,  G07D7/005

    CPC classification number: G07D7/04 ,  G07D7/005 ,  Y10T428/24835

    Abstract: A document may include a non-magnetic substrate, a first colorant mixture printed as a first image upon the substrate, the first colorant mixture including a magnetic ink, and a second colorant mixture printed as a second image upon the substrate in substantially close spatial proximity to the printed first colorant mixture. The second colorant mixture may consist essentially of one or more non-magnetic inks and exhibit properties of both low visual contrast and high magnetic contrast against the first colorant mixture, such that the resultant printed substrate does not reveal the first image to the human eye, but will reveal the first image to a magnetic image reader.

    Method and system for estimating gaze direction of vehicle drivers
    77.
    发明授权
    Method and system for estimating gaze direction of vehicle drivers 有权

    公开(公告)号：US09881221B2

    公开(公告)日：2018-01-30

    申请号：US14274315

    申请日：2014-05-09

    Applicant: Xerox Corporation

    Inventor： Raja Bala ,  Edgar Bernal ,  Aaron Burry ,  Peter Paul ,  David Chuang

    IPC: H04N7/18 ,  G06K9/00 ,  G06K9/62

    CPC classification number: G06K9/00845 ,  G06K9/00281 ,  G06K9/6277

    Abstract: Methods and systems for continuously monitoring the gaze direction of a driver of a vehicle over time. Video is received, which is captured by a camera associated with, for example, a mobile device within a vehicle, the camera and/or mobile device mounted facing the driver of the vehicle. Frames can then be extracted from the video. A facial region can then be detected, which corresponds to the face of the driver within the extracted frames. Features descriptors can then be computed from the facial region. A gaze classifier derived from the vehicle, the driver, and the camera can then be applied, wherein the gaze classifier receives the feature descriptors as inputs and outputs at least one label corresponding to one or more predefined finite number of gaze classes to identify the gaze direction of the driver of the vehicle.

    Methods and systems to adaptively detect object borders from electronic device images
    79.
    发明授权
    Methods and systems to adaptively detect object borders from electronic device images 有权

    公开(公告)号：US09639768B2

    公开(公告)日：2017-05-02

    申请号：US14564546

    申请日：2014-12-09

    Applicant: Xerox Corporation

    Inventor： Raja Bala ,  Lina Fu

    IPC: G06K9/32 ,  G06K9/00 ,  G06K9/03

    CPC classification number: G06K9/325 ,  G06K9/00442 ,  G06K9/033

    Abstract: A method of automatically identifying a border in a captured image may include capturing an image of a target by an image sensor of an electronic device, and, by one or more processors, processing the image to automatically detect a border of the target in the image by applying an automatic border detection method to the image. The method may include presenting the image of the target to a user via a display of the electronic device so that the presented image comprises a visual depiction of the detected border, receiving an adjustment of the border from the user, determining whether to update the default parameters based on the received adjustment, in response to determining to update the default parameters, determining one or more updated parameters for the automatic border detection method that are based on, at least in part, the received adjustment, and saving the updated parameters.

    MICRO-LOCATION OF DEVICES WITHIN A WIRELESS NETWORK USING ROOM BOUNDARY IMAGES
    80.
    发明申请
    MICRO-LOCATION OF DEVICES WITHIN A WIRELESS NETWORK USING ROOM BOUNDARY IMAGES 有权
    使用房间边界图像在无线网络中的设备的微位置

    公开(公告)号：US20170039445A1

    公开(公告)日：2017-02-09

    申请号：US14817299

    申请日：2015-08-04

    Applicant: Xerox Corporation

    Inventor： Gavan Leonard Tredoux ,  Premkumar Rajendran ,  Peter J. Zehler ,  Raja Bala ,  Edgar A. Bernal

    IPC: G06K9/46 ,  G06F3/12 ,  G06K15/00 ,  H04N5/232 ,  G06K15/02

    CPC classification number: H04N5/23206 ,  G01S5/0009 ,  G01S5/16 ,  G06K9/00664 ,  G06T7/73 ,  G06T2207/20081 ,  G06T2207/30244 ,  H04N5/23254

    Abstract: In a system for detecting location of an object inside of a building, an image capture device of a mobile electronic device captures an image of a boundary of a room in which the portable electronic device is positioned. The system extracts features of a boundary (ceiling, wall or floor) in the image to determine whether the mobile device is in a known location. When the system identifies a known location, it will take an action that provides the portable electronic device with additional functionality at the identified known location. Such functionality may include connecting to a wireless network or communicating with a stationary device at the known location.

    Abstract translation: 在用于检测建筑物内的物体的位置的系统中，移动电子设备的图像捕获设备捕获便携式电子设备所在的房间的边界的图像。 系统提取图像中的边界（天花板，墙壁或地板）的特征，以确定移动设备是否在已知位置。 当系统识别已知位置时，它将采取一种动作，为所识别的已知位置提供便携式电子设备的附加功能。 这种功能可以包括连接到无线网络或者在已知位置与固定设备通信。

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