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    Adaptive fiducials for image match recognition and tracking
    4.
    发明授权
    Adaptive fiducials for image match recognition and tracking 有权

    公开(公告)号：US10147399B1

    公开(公告)日：2018-12-04

    申请号：US14475333

    申请日：2014-09-02

    Applicant: A9.com, Inc.

    Inventor： David Creighton Mott ,  Scott Paul Robertson ,  Arnab Sanat Kumar Dhua ,  William Brendel ,  Nityananda Jayadevaprakash

    IPC: G09G5/377 ,  G06K9/62 ,  G06K9/46 ,  G06F17/30

    Abstract: Approaches enable images submitted by users, owner, and/or authorized person of a point of interest (e.g., a place, a scene, an object, etc.) to be used as a fiducial to assist recognition and tracking of the point of interest in an augmented reality environment. Multiple images (e.g., crowd-sourced images) of a point of interest taken from different points of view can be dynamically used. For example, as a user with a user device moves through a point of interest, a different image can be chosen from a set of stored candidate images of the point of interest based at least upon GPS locations, IMU orientations, or compass data of the user device. In this way, instead of relying on artificial fiducial images for various detection and tracking approaches, approaches enable images submitted by users and/or an owner or other authorized person of a point of interest to be used as fiducials to assist recognition and tracking of the point of interest.

    Automated highlighting of identified text
    5.
    发明授权
    Automated highlighting of identified text 有权
    识别文本自动突出显示

    公开(公告)号：US09582913B1

    公开(公告)日：2017-02-28

    申请号：US14037275

    申请日：2013-09-25

    Applicant: A9.com, Inc.

    Inventor： Adam Wiggen Kraft ,  Arnab Sanat Kumar Dhua ,  Douglas Ryan Gray ,  Xiaofan Lin ,  Yu Lou ,  Sunil Ramesh ,  Colin Jon Taylor ,  David Creighton Mott

    IPC: G06T11/60

    CPC classification number: G06T11/60 ,  G06K9/00577 ,  G06T19/006

    Abstract: Various embodiments enable a computing device to perform tasks such as highlighting words in an augmented reality view that are important to a user. For example, word lists can be generated and the user, by pointing a camera of a computing device at a volume of text, can cause words from the word list within the volume of text to be highlighted in a live field of view of the camera displayed thereon. Accordingly, users can quickly identify textual information that is meaningful to them in an Augmented Reality view to aid the user in sifting through real-world text.

    Abstract translation: 各种实施例使得计算设备能够执行诸如突出显示对用户重要的增强现实视图中的单词的任务。 例如，可以生成单词列表，并且通过将计算设备的相机指向一定量的文本，用户可以使文本体内的单词列表中的单词在摄像机的实时视野中突出显示 在其上显示。 因此，用户可以在增强现实视图中快速识别对他们有意义的文本信息，以帮助用户筛选真实世界的文本。

    Sharing links in an augmented reality environment
    6.
    发明授权
    Sharing links in an augmented reality environment 有权
    在增强的现实环境中共享链接

    公开(公告)号：US09432421B1

    公开(公告)日：2016-08-30

    申请号：US14229678

    申请日：2014-03-28

    Applicant: A9.com, Inc.

    Inventor： David Creighton Mott ,  Arnab Sanat Kumar Dhua ,  Colin Jon Taylor ,  Scott Paul Robertson ,  William Brendel ,  Nityananda Jayadevaprakash ,  Kathy Wing Lam Ma

    IPC: H04L29/06

    CPC classification number: G06T19/006 ,  G01C17/00 ,  G01C21/16 ,  G01S19/13 ,  G06F3/04815 ,  H04W4/025

    Abstract: Various embodiments provide methods and systems for users and business owners to share content and/or links to visual elements of a place at a physical location, and, in response to a user device pointing at a tagged place, causing the content and/or links to the visual elements of the place to be presented on the user device. In some embodiments, content and links are tied to specific objects at a place based at least in part upon one of Global Positioning System (GPS) locations, Inertial Measurement Unit (IMU) orientations, compass data, or one or more visual matching algorithms. Once the content and links are attached to the specific objects of the place, they can be discovered by a user with a portable device pointing at the specific objects in the real world.

    Abstract translation: 各种实施例提供了用于用户和企业所有者分享内容和/或链接到物理位置处的场所的视觉元素的方法和系统，并且响应于用户设备指向标记的地点，导致内容和/或链接 到在用户设备上呈现的地方的视觉元素。 在一些实施例中，内容和链接至少部分地基于全球定位系统（GPS）位置之一，惯性测量单元（IMU）取向，罗盘数据或一个或多个视觉匹配算法来连接到某个地点的特定对象。 一旦将内容和链接附加到该地点的特定对象，用户可以通过指向现实世界中特定对象的便携式设备发现它们。

    Advertisement relevance
    9.
    发明授权
    Advertisement relevance 有权
    广告相关性

    公开(公告)号：US09552674B1

    公开(公告)日：2017-01-24

    申请号：US14226533

    申请日：2014-03-26

    Applicant: A9.com, Inc.

    Inventor： Nityananda Jayadevaprakash ,  William Brendel ,  David Creighton Mott ,  Scott Paul Robertson

    IPC: G06T19/00 ,  G06Q30/06 ,  G06T15/50

    CPC classification number: G06F3/011 ,  G06F3/0304 ,  G06K7/10821 ,  G06K7/1417 ,  G06K19/06037 ,  G06Q30/0271 ,  G06Q30/0277 ,  G06Q30/0623 ,  G06Q30/0643 ,  G06T1/00 ,  G06T15/50 ,  G06T19/006

    Abstract: Systems and methods for displaying an image of a virtual object in an environment are described. A computing device is used to capture an image of a real environment including a marker. One or more virtual objects which do not exist in the real environment are displayed in the image based at least on the marker. The distance and orientation of the marker may be taken into account to properly size and place the virtual object in the image. Further, virtual lighting may be added to an image to indicate to a user how the virtual object would appear with the virtual lighting.

    Abstract translation: 描述用于在环境中显示虚拟对象的图像的系统和方法。 计算设备用于捕获包括标记的真实环境的图像。 至少在标记上，在图像中显示在真实环境中不存在的一个或多个虚拟对象。 可以考虑标记的距离和方向以适当地大小并将虚拟对象放置在图像中。 此外，可以向图像添加虚拟照明，以向用户指示虚拟对象将如何与虚拟照明一起出现。

    Fast interest point extraction for augmented reality
    10.
    发明授权
    Fast interest point extraction for augmented reality 有权
    用于增强现实的快速兴趣点提取

    公开(公告)号：US09524432B1

    公开(公告)日：2016-12-20

    申请号：US14313466

    申请日：2014-06-24

    Applicant: A9.com, Inc.

    Inventor： William Brendel ,  Nityananda Jayadevaprakash ,  David Creighton Mott ,  Jie Feng

    IPC: G06K9/00 ,  G06T7/40

    CPC classification number: G06K9/6212 ,  G06K9/00671 ,  G06K9/3258 ,  G06K9/4604 ,  G06T7/246 ,  G06T7/90 ,  G06T2207/20016

    Abstract: The subject technology provides embodiments for performing fast corner detection in a given image for augmented reality applications. Embodiments disclose a high-speed test that examines intensities of pairs of pixels around a candidate center pixel. In one example, the examined pairs are comprised of pixels that are diametrically opposite ends of a circle formed with the candidate center pixel. Further, a pyramid of images including four rings of surrounding pixels is generated. An orientation of the pixels from the four rings are determined and a vector of discrete values of the pixels are provided. Next, a forest of trees are generated for the vector of discrete values corresponding to a descriptor for a first image. For a second image including a set of descriptors, approximate nearest neighbors are determined from the forest of tree representing closest matching descriptors from the first image.

    Abstract translation: 主题技术提供了用于在用于增强现实应用的给定图像中执行快速拐角检测的实施例。 实施例公开了一种高速测试，其检查候选中心像素周围的像素对的强度。 在一个示例中，所检查的对由包括与候选中心像素形成的圆的直径相对的两端的像素组成。 此外，生成包括四个周围像素环的图像的金字塔。 确定来自四个环的像素的取向，并且提供像素的离散值的矢量。 接下来，对于与第一图像的描述符相对应的离散值的矢量，生成树林。 对于包括一组描述符的第二图像，从表示来自第一图像的最近匹配描述符的树的森林确定近似最近邻居。

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