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1. 发明申请

US20130194428A1 SYSTEM AND METHOD FOR DETERMINING LOCATION OF A DEVICE USING OPPOSING CAMERAS 有权
标题翻译：使用对照摄像机确定设备位置的系统和方法
公开(公告)号：US20130194428A1
公开(公告)日：2013-08-01
申请号：US13360372
申请日：2012-01-27
申请人： Hui Chao , Saumitra M. Das , Sameera Poduri
发明人： Hui Chao , Saumitra M. Das , Sameera Poduri
IPC分类号： H04N7/18
CPC分类号： H04N7/181 , G01C21/20 , G01S5/16 , G06T7/74 , G06T2207/10016 , H04W4/02 , H04W4/046 , H04W4/40
摘要： System and method for determining location of a device using opposing cameras are disclosed. In one embodiment, the method includes activating a front-facing camera and a back-facing camera of the device, capturing a first pair of images from a first orientation using the front-facing camera and the back-facing camera, where the first pair of images includes a first front image and a first back image, monitoring the device being rotated to a second orientation, capturing a second pair of images from the second orientation using the front-facing camera and the back-facing camera, where the second pair of images includes a second front image and a second back image, and determining a location of the device using the first pair of images and the second pair of images.
摘要翻译：公开了使用相对的摄像机来确定设备位置的系统和方法。在一个实施例中，该方法包括激活装置的前置相机和背面照相机，使用前置相机和背面照相机从第一取向拍摄第一对图像，其中第一对的图像包括第一正面图像和第一背面图像，监视被旋转到第二方向的设备，使用前置相机和背面照相机从第二方向捕获第二对图像，其中第二对的图像包括第二正面图像和第二背面图像，以及使用第一对图像和第二对图像来确定设备的位置。

2. 发明授权

US09986208B2 System and method for determining location of a device using opposing cameras 有权
公开(公告)号：US09986208B2
公开(公告)日：2018-05-29
申请号：US13360372
申请日：2012-01-27
申请人： Hui Chao , Saumitra M. Das , Sameera Poduri
发明人： Hui Chao , Saumitra M. Das , Sameera Poduri
IPC分类号： H04N7/18 , G01C21/20 , H04W4/04 , G01S5/16 , G06T7/73 , H04W4/02
CPC分类号： H04N7/181 , G01C21/20 , G01S5/16 , G06T7/74 , G06T2207/10016 , H04W4/02 , H04W4/046 , H04W4/40
摘要： System and method for determining location of a device using opposing cameras are disclosed. In one embodiment, the method includes activating a front-facing camera and a back-facing camera of the device, capturing a first pair of images from a first orientation using the front-facing camera and the back-facing camera, where the first pair of images includes a first front image and a first back image, monitoring the device being rotated to a second orientation, capturing a second pair of images from the second orientation using the front-facing camera and the back-facing camera, where the second pair of images includes a second front image and a second back image, and determining a location of the device using the first pair of images and the second pair of images.

3. 发明授权

US09494432B2 Collaborative navigation techniques for mobile devices 有权
标题翻译：移动设备的协同导航技术
公开(公告)号：US09494432B2
公开(公告)日：2016-11-15
申请号：US13569624
申请日：2012-08-08
申请人： Payam Pakzad , Sameera Poduri , Hui Chao
发明人： Payam Pakzad , Sameera Poduri , Hui Chao
IPC分类号： G01S5/02 , G01C21/20 , H04W4/02 , G01S5/00
CPC分类号： G01C21/206 , G01S5/0072 , G01S5/0284 , G01S5/0289 , H04W4/023 , H04W4/025
摘要： Various methods, apparatuses and/or articles of manufacture are provided which may be implemented to perform and/or otherwise support collaborative navigation between a plurality of mobile devices. In one example, a first mobile device, in response to a determination that at least a second mobile device is located within a threshold distance of the first mobile device, may obtain a navigation parameter indicative of an initial position and/or movement of the second mobile device which was determined based, at least in part, on a measurement from a sensor at the second mobile device. The first mobile device then affect a determined position and/or movement of the first mobile device based, at least in part, on the navigation parameter.
摘要翻译：提供了各种方法，装置和/或制造品，其可被实现为执行和/或以其他方式支持多个移动装置之间的协作导航。在一个示例中，第一移动设备响应于至少第二移动设备位于第一移动设备的阈值距离内的确定，可以获得指示第二移动设备的初始位置和/或移动的导航参数移动设备，其至少部分地基于来自第二移动设备处的传感器的测量来确定。第一移动设备然后至少部分地基于导航参数影响第一移动设备的确定位置和/或移动。

4. 发明申请

US20130267260A1 MAP MODIFICATION USING GROUND-TRUTH MEASUREMENTS 审中-公开
标题翻译：使用地面真空测量的地图修改
公开(公告)号：US20130267260A1
公开(公告)日：2013-10-10
申请号：US13443791
申请日：2012-04-10
申请人： Hui Chao , Sameera Poduri , Rajarshi Gupta
发明人： Hui Chao , Sameera Poduri , Rajarshi Gupta
IPC分类号： H04W24/00
CPC分类号： G01C21/206 , G09B29/005
摘要： Disclosed is a method for receiving a conceptual map of a navigable area, the conceptual map including two or more topological elements being related to one another in the conceptual map by a first set of dimensions; applying one or more ground truth measurements or topological constraints to the first set of dimensions of the conceptual map to provide a modified map having corrected dimensions; and mapping an estimated location of the mobile station to the modified map.
摘要翻译：公开了一种用于接收可导航区域的概念图的方法，所述概念图包括由概念图中的第一组维度彼此相关的两个或多个拓扑元素; 将一个或多个地面真实测量或拓扑约束应用于所述概念图的所述第一维度集合，以提供具有校正维度的修改图; 以及将所述移动站的估计位置映射到所述修改的映射。

5. 发明申请

US20130029723A1 USER DISTANCE DETECTION FOR ENHANCED INTERACTION WITH A MOBILE DEVICE 失效
标题翻译：用户距离检测用于与移动设备的增强交互
公开(公告)号：US20130029723A1
公开(公告)日：2013-01-31
申请号：US13193275
申请日：2011-07-28
申请人： Saumitra M. Das , Hui Chao
发明人： Saumitra M. Das , Hui Chao
IPC分类号： H04W88/02
CPC分类号： H04M1/72594 , H04M1/72569 , H04M2250/12
摘要： Methods and apparatus for displaying content on a mobile device are disclosed. In one embodiment, a method includes obtaining content to display on the mobile device, obtaining distance information indicative of a distance that separates a user from the mobile device, accessing content-size data on the mobile device that is associated with the distance information, and adjusting a presentation of content on the mobile device based upon the content-size data.
摘要翻译：公开了在移动设备上显示内容的方法和装置。在一个实施例中，一种方法包括获取在移动设备上显示的内容，获取指示用户与移动设备分离距离的距离信息，访问与该距离信息相关联的移动设备上的内容大小数据;以及基于内容大小数据调整移动设备上的内容呈现。

6. 发明授权

US08515491B2 User distance detection for enhanced interaction with a mobile device 失效
标题翻译：用户距离检测，以增强与移动设备的交互
公开(公告)号：US08515491B2
公开(公告)日：2013-08-20
申请号：US13193275
申请日：2011-07-28
申请人： Saumitra M. Das , Hui Chao
发明人： Saumitra M. Das , Hui Chao
IPC分类号： H04W88/02
CPC分类号： H04M1/72594 , H04M1/72569 , H04M2250/12
摘要： Methods and apparatus for displaying content on a mobile device are disclosed. In one embodiment, a method includes obtaining content to display on the mobile device, obtaining distance information indicative of a distance that separates a user from the mobile device, accessing content-size data on the mobile device that is associated with the distance information, and adjusting a presentation of content on the mobile device based upon the content-size data.
摘要翻译：公开了在移动设备上显示内容的方法和装置。在一个实施例中，一种方法包括获取在移动设备上显示的内容，获取指示用户与移动设备分离距离的距离信息，访问与该距离信息相关联的移动设备上的内容大小数据;以及基于内容大小数据调整移动设备上的内容呈现。

7. 发明授权

US09395189B2 Indoor structure inference using points of interest 有权
标题翻译：使用兴趣点的室内结构推理
公开(公告)号：US09395189B2
公开(公告)日：2016-07-19
申请号：US13530051
申请日：2012-06-21
申请人： Vinay Sridhara , Hui Chao , Saumitra Mohan Das , Rajarshi Gupta
发明人： Vinay Sridhara , Hui Chao , Saumitra Mohan Das , Rajarshi Gupta
IPC分类号： G01S5/00 , G01C21/20 , G01S5/02 , G01C21/32
CPC分类号： G01C21/206 , G01C21/32 , G01S5/0236 , G01S5/0252
摘要： In one implementation, a method may comprise: obtaining a digital map of an indoor region that identifies boundaries between subsections within the indoor region; and approximating locations of walls separating rooms within at least one of the subsections based, at least in part, on locations of feature labels provided in the digital map.
摘要翻译：在一个实施方式中，一种方法可以包括：获得室内区域的数字地图，该室内区域识别室内区域内的子区域之间的边界; 以及至少部分地基于在数字地图中提供的特征标签的位置，在至少一个子部分内分隔房间的墙壁的近似位置。

8. 发明授权

US08386957B2 Method for dynamically scaling an original background layout 失效
标题翻译：动态缩放原始背景布局的方法
公开(公告)号：US08386957B2
公开(公告)日：2013-02-26
申请号：US12392516
申请日：2009-02-25
申请人： Hui Chao , Xuemei Zhang
发明人： Hui Chao , Xuemei Zhang
IPC分类号： G06F3/048
CPC分类号： G09G5/14 , G09G2340/0407 , G09G2340/0464
摘要： In a method for dynamically scaling an original background layout having at least one element, an instruction to employ the original background layout in a new page that differs in at least one of size and aspect ratio from at least one of the size and aspect ratio of the original background layout is received. In addition, a type and a position of the at least one element is identified and one or more constraints are applied on at least one characteristic of the at least one element to modify the at least one characteristic of the at least one element for inclusion in the new page, in which the one or more constraints are based upon the type and position of the at least one element.
摘要翻译：在用于动态地缩放具有至少一个元素的原始背景布局的方法中，在新页面中使用原始背景布局的指令，其在尺寸和宽高比中的至少一个与尺寸和纵横比中的至少一个不同，收到原始背景布局。另外，识别至少一个元件的类型和位置，并且对至少一个元件的至少一个特征施加一个或多个约束以修改至少一个元件的至少一个特性以包括在所述新页面，其中所述一个或多个约束基于所述至少一个元素的类型和位置。

9. 发明申请

US20130045751A1 LOGO DETECTION FOR INDOOR POSITIONING 有权
标题翻译：室内定位的LOGO检测
公开(公告)号：US20130045751A1
公开(公告)日：2013-02-21
申请号：US13486359
申请日：2012-06-01
申请人： Hui Chao , Nan Hu , Saumitra Mohan Das , Rajarshi Gupta
发明人： Hui Chao , Nan Hu , Saumitra Mohan Das , Rajarshi Gupta
IPC分类号： H04W4/02
CPC分类号： G06F17/30528 , G01C21/206 , G01C21/3602 , G01S5/16
摘要： Example methods, apparatuses, or articles of manufacture are disclosed herein that may be utilized, in whole or in part, to facilitate or support one or more operations or techniques for logo detection for indoor positioning for use in or with a mobile device. Briefly, in accordance with one implementation, a method may include extracting, at a mobile device, visual features from one or more images captured via a camera sensor of the mobile device; and estimating a location of the mobile device based, at least in part, on a match between extracted visual features and one or more brand-specific visual signatures associated with one or more points of interest of one or more known locations. In some instances, an estimated location of a mobile device may be refined based, at least in part, on at least one additional POI of one or more POIs of one or more known locations.
摘要翻译：本文公开的可以全部或部分地用于促进或支持一种或多种用于在移动设备中或与移动设备一起使用的室内定位的标志检测的操作或技术的示例性方法，设备或制品。简而言之，根据一个实现方式，一种方法可以包括在移动设备处从经由移动设备的相机传感器捕获的一个或多个图像中提取视觉特征; 以及至少部分地基于提取的可视特征与与一个或多个已知位置的一个或多个兴趣点相关联的一个或多个品牌特定视觉签名之间的匹配来估计移动设备的位置。在一些情况下，移动设备的估计位置可以至少部分地基于一个或多个已知位置的一个或多个POI的至少一个附加POI进行改进。

10. 发明申请

US20120109715A1 VISUALIZING VISITATION PATTERNS AT SITES OF A COMMERCIAL FACILITY 审中-公开
标题翻译：可视化商业场所的访客模式
公开(公告)号：US20120109715A1
公开(公告)日：2012-05-03
申请号：US12916310
申请日：2010-10-29
申请人： Peng Wu , Hui Chao , Daniel R. Tretter
发明人： Peng Wu , Hui Chao , Daniel R. Tretter
IPC分类号： G06Q10/00
CPC分类号： G06Q30/0201 , G06Q30/0204
摘要： Sensor data characterizing detected physical presence characteristics of customers visiting respective sites distributed about a commercial facility is obtained. Visitation patterns of different demographic groups of the customers to the sites are determined. A graphic visualization of one or more of the visitation patterns is generated.
摘要翻译：获得表征检测到访问分布在商业设施附近的各个站点的客户的物理存在特性的传感器数据。确定了不同人口群体对该地点的访问模式。生成一个或多个访问模式的图形可视化。

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