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    Online reference generation and tracking for multi-user augmented reality
    1.
    发明授权
    Online reference generation and tracking for multi-user augmented reality 有权
    多用户增强现实的在线参考生成和跟踪

    公开(公告)号：US09558557B2

    公开(公告)日：2017-01-31

    申请号：US14662555

    申请日：2015-03-19

    Applicant: QUALCOMM Incorporated

    Inventor： Bolan Jiang ,  Ashwin Swaminathan ,  Serafin Diaz Spindola ,  Dheeraj Ahuja ,  Charles Wheeler Sweet, III ,  Prasun Choudhury

    IPC: G06T7/00 ,  G06T19/00

    CPC classification number: G06T7/74 ,  G06T19/006 ,  G06T2207/10004 ,  G06T2207/30244

    Abstract: A multi-user augmented reality (AR) system operates without a previously acquired common reference by generating a reference image on the fly. The reference image is produced by capturing at least two images of a planar object and using the images to determine a pose (position and orientation) of a first mobile platform with respect to the planar object. Based on the orientation of the mobile platform, an image of the planar object, which may be one of the initial images or a subsequently captured image, is warped to produce the reference image of a front view of the planar object. The reference image may be produced by the mobile platform or by, e.g., a server. Other mobile platforms may determine their pose with respect to the planar object using the reference image to perform a multi-user augmented reality application.

    Abstract translation: 多用户增强现实（AR）系统通过即时生成参考图像而无需先前获取的公共参考。 通过捕获平面物体的至少两个图像并使用图像来确定第一移动平台相对于平面对象的姿势（位置和方位）来产生参考图像。 基于移动平台的方向，可以将平面对象的图像（其可以是初始图像之一或随后的拍摄图像）扭曲，以产生平面对象的前视图的参考图像。 参考图像可以由移动平台或者例如由服务器产生。 其他移动平台可以使用参考图像来确定其相对于平面对象的姿态来执行多用户增强现实应用。

    ADAPTABLE FRAMEWORK FOR CLOUD ASSISTED AUGMENTED REALITY
    2.
    发明申请
    ADAPTABLE FRAMEWORK FOR CLOUD ASSISTED AUGMENTED REALITY 有权
    云适应现实的适应框架

    公开(公告)号：US20160284099A1

    公开(公告)日：2016-09-29

    申请号：US15179936

    申请日：2016-06-10

    Applicant: QUALCOMM Incorporated

    Inventor： Ashwin Swaminathan ,  Piyush Sharma ,  Bolan Jiang ,  Murali R. Chari ,  Serafin Diaz Spindola ,  Pawan Kumar Baheti ,  Vidya Narayanan

    IPC: G06T7/20 ,  G06T7/00

    CPC classification number: G06T7/246 ,  G06K9/00671 ,  G06T7/73 ,  G06T2207/10004

    Abstract: A mobile platform efficiently processes image data, using distributed processing in which latency sensitive operations are performed on the mobile platform, while latency insensitive, but computationally intensive operations are performed on a remote server. The mobile platform acquires image data, and determines whether there is a trigger event to transmit the image data to the server. The trigger event may be a change in the image data relative to previously acquired image data, e.g., a scene change in an image. When a change is present, the image data may be transmitted to the server for processing. The server processes the image data and returns information related to the image data, such as identification of an object in an image or a reference image or model. The mobile platform may then perform reference based tracking using the identified object or reference image or model.

    Abstract translation: 移动平台使用分布式处理来有效地处理图像数据，其中在移动平台上执行延迟敏感操作，而延迟不敏感，但在远程服务器上执行计算密集型操作。 移动平台获取图像数据，并确定是否存在将图像数据发送到服务器的触发事件。 触发事件可以是相对于先前获取的图像数据的图像数据的变化，例如图像中的场景变化。 当存在改变时，图像数据可以被发送到服务器进行处理。 服务器处理图像数据并返回与图像数据相关的信息，例如图像中的对象或参考图像或模型的识别。 然后，移动平台可以使用所识别的对象或参考图像或模型来执行基于参考的跟踪。

    ONLINE REFERENCE GENERATION AND TRACKING FOR MULTI-USER AUGMENTED REALITY
    3.
    发明申请
    ONLINE REFERENCE GENERATION AND TRACKING FOR MULTI-USER AUGMENTED REALITY 有权
    在线参考生成和追踪用于多用户的现实

    公开(公告)号：US20150193935A1

    公开(公告)日：2015-07-09

    申请号：US14662555

    申请日：2015-03-19

    Applicant: QUALCOMM Incorporated

    Inventor： Bolan Jiang ,  Ashwin Swaminathan ,  Serafin Diaz Spindola ,  Dheeraj Ahuja ,  Charles Wheeler Sweet, III ,  Prasun Choudhury

    IPC: G06T7/00 ,  G06T19/00

    CPC classification number: G06T7/74 ,  G06T19/006 ,  G06T2207/10004 ,  G06T2207/30244

    Abstract: A multi-user augmented reality (AR) system operates without a previously acquired common reference by generating a reference image on the fly. The reference image is produced by capturing at least two images of a planar object and using the images to determine a pose (position and orientation) of a first mobile platform with respect to the planar object. Based on the orientation of the mobile platform, an image of the planar object, which may be one of the initial images or a subsequently captured image, is warped to produce the reference image of a front view of the planar object. The reference image may be produced by the mobile platform or by, e.g., a server. Other mobile platforms may determine their pose with respect to the planar object using the reference image to perform a multi-user augmented reality application.

    Abstract translation: 多用户增强现实（AR）系统通过即时生成参考图像而无需先前获取的公共参考。 通过捕获平面物体的至少两个图像并使用图像来确定第一移动平台相对于平面对象的姿势（位置和方位）来产生参考图像。 基于移动平台的方向，可以将平面对象的图像（其可以是初始图像之一或随后的拍摄图像）扭曲，以产生平面对象的前视图的参考图像。 参考图像可以由移动平台或者例如由服务器产生。 其他移动平台可以使用参考图像来确定其相对于平面对象的姿态来执行多用户增强现实应用。

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