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    Item recognition using context data
    1.
    发明授权
    Item recognition using context data 有权

    公开(公告)号：US10043069B1

    公开(公告)日：2018-08-07

    申请号：US14196669

    申请日：2014-03-04

    Applicant: Amazon Technologies, Inc.

    Inventor： Yue Liu ,  Utkarsh Prateek ,  Avnish Sikka ,  Matthew Daniel Hart ,  Emilie Noelle McConville ,  Sonjeev Jahagirdar

    IPC: G06K9/00

    Abstract: A system for recognizing objects and/or text in image data may use context data to perform object/text recognition. The system may also use context data when determining potential functions to execute in response to recognizing the object/text. Context data may be gathered based on device sensor data, user profile data such as the behavior of a user or the behavior of those in a user's social network, or other factors. Recognition processing and/or function selection may be configured to account for context data when operating to improve output results.

    Using a front-facing camera to improve OCR with a rear-facing camera
    3.
    发明授权
    Using a front-facing camera to improve OCR with a rear-facing camera 有权
    使用前置摄像头，使用后置摄像头改善OCR

    公开(公告)号：US09269009B1

    公开(公告)日：2016-02-23

    申请号：US14283115

    申请日：2014-05-20

    Applicant: Amazon Technologies, Inc.

    Inventor： Yue Liu ,  Sonjeev Jahagirdar ,  Matthew Joseph Cole ,  Utkarsh Prateek ,  Emilie Noelle McConville ,  Daniel Makoto Wilenson ,  Avnish Sikka

    IPC: G06K9/18 ,  G06K9/00

    CPC classification number: G06K9/18 ,  G06K9/00302 ,  G06K9/00664 ,  G06K9/033 ,  G06K2209/01

    Abstract: Various embodiments enable a computing device to incorporate frame selection or preprocessing techniques into a text recognition pipeline in an attempt to improve text recognition accuracy in various environments and situations. For example, a mobile computing device can capture images of text using a first camera, such as a rear-facing camera, while capturing images of the environment or a user with a second camera, such as a front-facing camera. Based on the images captured of the environment or user, one or more image preprocessing parameters can be determined and applied to the captured images in an attempt to improve text recognition accuracy.

    Abstract translation: 各种实施例使得计算设备能够将帧选择或预处理技术合并到文本识别流水线中，以试图改善各种环境和情况下的文本识别精度。 例如，移动计算设备可以使用诸如后置摄像机之类的第一照相机捕获文本的图像，同时利用诸如前置摄像机的第二照相机拍摄环境图像或用户。 基于捕获的环境或用户的图像，可以确定一个或多个图像预处理参数并将其应用于捕获的图像，以提高文本识别精度。

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