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1. 发明授权

US08638986B2 Online reference patch generation and pose estimation for augmented reality 有权
标题翻译：在线参考补丁生成和增强现实的姿态估计
公开(公告)号：US08638986B2
公开(公告)日：2014-01-28
申请号：US13191340
申请日：2011-07-26
申请人： Bolan Jiang , Charles Wheeler Sweet, III , Prasun Choudhury , Dheeraj Ahuja
发明人： Bolan Jiang , Charles Wheeler Sweet, III , Prasun Choudhury , Dheeraj Ahuja
IPC分类号： G06K9/00
CPC分类号： G01C11/00 , G01C15/00 , G01S3/7864 , G06T7/75 , G06T2207/10016 , G06T2207/30204 , G06T2207/30244
摘要： A reference patch of an unknown environment is generated on the fly for positioning and tracking. The reference patch is generated using a captured image of a planar object with two perpendicular sets of parallel lines. The planar object is detected in the image and axes of the world coordinate system are defined using the vanishing points for the two sets of parallel lines. The camera rotation is recovered based on the defined axes, and the reference patch of at least a portion of the image of the planar object is generated using the recovered camera rotation. The reference patch can then be used for vision based detection and tracking. The planar object may be detected in the image as sets of parallel lines or as a rectangle.
摘要翻译：生成一个未知环境的参考补丁，用于定位和跟踪。使用具有两条垂直平行线的平面物体的捕获图像来生成参考补片。在图像中检测平面物体，并使用两组平行线的消失点来定义世界坐标系的轴。基于定义的轴恢复相机旋转，并且使用恢复的相机旋转来生成平面对象的图像的至少一部分的参考补片。然后，参考补丁可用于基于视觉的检测和跟踪。平面物体可以在图像中作为一组平行线或矩形检测。

2. 发明申请

US20120269388A1 ONLINE REFERENCE PATCH GENERATION AND POSE ESTIMATION FOR AUGMENTED REALITY 有权
标题翻译：在线参考调整生成和估算现实
公开(公告)号：US20120269388A1
公开(公告)日：2012-10-25
申请号：US13191340
申请日：2011-07-26
申请人： Bolan Jiang , Charles Wheeler Sweet, III , Prasun Choudhury , Dheeraj Ahuja
发明人： Bolan Jiang , Charles Wheeler Sweet, III , Prasun Choudhury , Dheeraj Ahuja
IPC分类号： G06K9/00
CPC分类号： G01C11/00 , G01C15/00 , G01S3/7864 , G06T7/75 , G06T2207/10016 , G06T2207/30204 , G06T2207/30244
摘要： A reference patch of an unknown environment is generated on the fly for positioning and tracking. The reference patch is generated using a captured image of a planar object with two perpendicular sets of parallel lines. The planar object is detected in the image and axes of the world coordinate system are defined using the vanishing points for the two sets of parallel lines. The camera rotation is recovered based on the defined axes, and the reference patch of at least a portion of the image of the planar object is generated using the recovered camera rotation. The reference patch can then be used for vision based detection and tracking. The planar object may be detected in the image as sets of parallel lines or as a rectangle.
摘要翻译：生成一个未知环境的参考补丁，用于定位和跟踪。使用具有两条垂直平行线的平面物体的捕获图像来生成参考补片。在图像中检测平面物体，并使用两组平行线的消失点来定义世界坐标系的轴。基于定义的轴恢复相机旋转，并且使用恢复的相机旋转来生成平面对象的图像的至少一部分的参考补片。然后，参考补丁可用于基于视觉的检测和跟踪。平面物体可以在图像中作为一组平行线或矩形检测。

3. 发明授权

US09013550B2 Online reference generation and tracking for multi-user augmented reality 有权
标题翻译：多用户增强现实的在线参考生成和跟踪
公开(公告)号：US09013550B2
公开(公告)日：2015-04-21
申请号：US13082187
申请日：2011-04-07
申请人： Bolan Jiang , Ashwin Swaminathan , Serafin Diaz Spindola , Dheeraj Ahuja , Charles Wheeler Sweet, III , Prasun Choudhury
发明人： Bolan Jiang , Ashwin Swaminathan , Serafin Diaz Spindola , Dheeraj Ahuja , Charles Wheeler Sweet, III , Prasun Choudhury
IPC分类号： H04N13/02 , G06T7/00
CPC分类号： G06T7/74 , G06T19/006 , G06T2207/10004 , G06T2207/30244
摘要： 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.
摘要翻译：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。

4. 发明申请

US20120062702A1 ONLINE REFERENCE GENERATION AND TRACKING FOR MULTI-USER AUGMENTED REALITY 有权
标题翻译：在线参考生成和追踪用于多用户的现实
公开(公告)号：US20120062702A1
公开(公告)日：2012-03-15
申请号：US13082187
申请日：2011-04-07
申请人： Bolan Jiang , Ashwin Swaminathan , Serafin Diaz Spindola , Dheeraj Ahuja , Charles Wheeler Sweet, III , Prasun Choudhury
发明人： Bolan Jiang , Ashwin Swaminathan , Serafin Diaz Spindola , Dheeraj Ahuja , Charles Wheeler Sweet, III , Prasun Choudhury
IPC分类号： H04N5/262 , H04N13/02
CPC分类号： G06T7/74 , G06T19/006 , G06T2207/10004 , G06T2207/30244
摘要： 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.
摘要翻译：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。

5. 发明授权

US10133950B2 Dynamic template tracking 有权
公开(公告)号：US10133950B2
公开(公告)日：2018-11-20
申请号：US13310529
申请日：2011-12-02
申请人： Charles Wheeler Sweet, III
发明人： Charles Wheeler Sweet, III
IPC分类号： H04N5/225 , G06K9/32 , G06K9/00 , G06K9/20 , G06T7/246
摘要： Various arrangements for tracking a target within a series of images is presented. The target may be detected within a first image at least partially based on a correspondence between the target and a stored reference template. A tracking template may be created for tracking the target using the first image. The target may be located within a second image using the tracking template.

6. 发明授权

US09258462B2 Camera guided web browsing based on passive object detection 有权
标题翻译：基于被动对象检测的相机引导网页浏览
公开(公告)号：US09258462B2
公开(公告)日：2016-02-09
申请号：US13450312
申请日：2012-04-18
申请人： Charles Wheeler Sweet, III , Qi Xue
发明人： Charles Wheeler Sweet, III , Qi Xue
IPC分类号： H04N5/225 , G06F17/30
CPC分类号： H04N5/225 , G06F17/30247 , G06F17/30905
摘要： Systems and methods for performing camera-guided browsing, such as web browsing, are described herein. A method for operating a camera-guided web browser as provided herein includes displaying a web page on a display associated with a portable device; passively detecting a first object within a field of view of a camera associated with the portable device; and altering at least part of the web page with first content associated with the first object in response to passively detecting the first object within the field of view of the camera.
摘要翻译：这里描述了用于执行诸如网页浏览的相机引导浏览的系统和方法。一种用于操作如本文所提供的相机引导的网络浏览器的方法包括在与便携式设备相关联的显示器上显示网页; 被动地检测与便携式设备相关联的摄像机的视场内的第一物体; 以及响应于被动地检测所述相机视场内的所述第一对象，改变与所述第一对象相关联的第一内容的所述网页的至少一部分。

7. 发明授权

US08908911B2 Redundant detection filtering 有权
标题翻译：冗余检测过滤
公开(公告)号：US08908911B2
公开(公告)日：2014-12-09
申请号：US13250861
申请日：2011-09-30
申请人： Charles Wheeler Sweet, III , Prince Gupta
发明人： Charles Wheeler Sweet, III , Prince Gupta
IPC分类号： G06K9/00 , G06F17/30
CPC分类号： G06F17/30247
摘要： Systems and methods are described herein for identifying and filtering redundant database entries associated with a visual search system. An example of a method of managing a database associated with a mobile device described herein includes identifying a captured image; obtaining an external database record from an external database corresponding to an object identified from the captured image; comparing the external database record to a locally stored database record; and locally discarding one of the external database record or the locally stored database record if the comparing indicates overlap between the external database record and the locally stored database record.
摘要翻译：本文描述了用于识别和过滤与视觉搜索系统相关联的冗余数据库条目的系统和方法。管理与本文描述的移动设备相关联的数据库的方法的示例包括识别捕获的图像; 从与所捕获的图像识别的对象相对应的外部数据库获取外部数据库记录; 将外部数据库记录与本地存储的数据库记录进行比较; 并且如果比较指示外部数据库记录与本地存储的数据库记录之间的重叠，则在本地丢弃外部数据库记录之一或本地存储的数据库记录。

8. 发明授权

US09077890B2 Auto-focus tracking 有权
标题翻译：自动对焦跟踪
公开(公告)号：US09077890B2
公开(公告)日：2015-07-07
申请号：US13034577
申请日：2011-02-24
申请人： Charles Wheeler Sweet, III , Serafin Diaz Spindola
发明人： Charles Wheeler Sweet, III , Serafin Diaz Spindola
IPC分类号： H04N5/232
CPC分类号： H04N5/23212 , H04N5/23219 , H04N5/23293
摘要： An apparatus and method for supporting augmented reality or other computer vision applications are presented. Embodiments enable communication between natural feature and auto-focus engines to increase an engine's accuracy or decrease a processing time of the engine. An auto-focus engine may communicate a location of an auto-focus window to a natural feature detection module and/or a change in location of a previous auto-focus window to a next auto-focus window. The natural feature detection module uses the communicated information to limit an initial search area and/or to set a next tracking search window. A natural feature tracking module may communicate a changes from a previous location of a natural feature to a next location of the natural feature to an auto-focus engine. The auto-focus engine uses the change to set a next auto-focus window.
摘要翻译：提出了一种用于支持增强现实或其他计算机视觉应用的装置和方法。实施例使得自然特征和自动对焦发动机之间的通信能够增加发动机的精度或减少发动机的处理时间。自动对焦引擎可以将自动对焦窗口的位置传达到自然特征检测模块和/或将先前自动对焦窗口的位置改变到下一个自动对焦窗口。自然特征检测模块使用所传送的信息来限制初始搜索区域和/或设置下一跟踪搜索窗口。自然特征跟踪模块可以将自然特征的先前位置的变化传达到自然特征的下一个位置到自动对焦引擎。自动对焦引擎使用更改来设置下一个自动对焦窗口。

9. 发明申请

US20130278777A1 CAMERA GUIDED WEB BROWSING 有权
标题翻译： CAMERA指导网络浏览
公开(公告)号：US20130278777A1
公开(公告)日：2013-10-24
申请号：US13450312
申请日：2012-04-18
申请人： Charles Wheeler Sweet, III , Qi Xue
发明人： Charles Wheeler Sweet, III , Qi Xue
IPC分类号： H04N5/225
CPC分类号： H04N5/225 , G06F17/30247 , G06F17/30905
摘要： Systems and methods for performing camera-guided browsing, such as web browsing, are described herein. A method for operating a camera-guided web browser as provided herein includes displaying a web page on a display associated with a portable device; passively detecting a first object within a field of view of a camera associated with the portable device; and altering at least part of the web page with first content associated with the first object in response to passively detecting the first object within the field of view of the camera.
摘要翻译：这里描述了用于执行诸如网页浏览的相机引导浏览的系统和方法。用于操作如本文所提供的相机引导的网络浏览器的方法包括在与便携式设备相关联的显示器上显示网页; 被动地检测与便携式设备相关联的摄像机的视场内的第一物体; 以及响应于被动地检测所述相机视场内的所述第一对象，改变与所述第一对象相关联的第一内容的所述网页的至少一部分。

10. 发明申请

US20120224068A1 DYNAMIC TEMPLATE TRACKING 审中-公开
标题翻译：动态模板跟踪
公开(公告)号：US20120224068A1
公开(公告)日：2012-09-06
申请号：US13310529
申请日：2011-12-02
申请人： Charles Wheeler Sweet, III
发明人： Charles Wheeler Sweet, III
IPC分类号： H04N5/225
CPC分类号： G06K9/32 , G06K9/00671 , G06K9/2063 , G06T7/248 , G06T2207/10016
摘要： Various arrangements for tracking a target within a series of images is presented. The target may be detected within a first image at least partially based on a correspondence between the target and a stored reference template. A tracking template may be created for tracking the target using the first image. The target may be located within a second image using the tracking template.
摘要翻译：呈现了用于跟踪一系列图像中的目标的各种布置。可以至少部分地基于目标和存储的参考模板之间的对应关系在第一图像内检测目标。可以创建跟踪模板以用于使用第一图像来跟踪目标。目标可以使用跟踪模板位于第二图像内。

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