发明授权
US09395188B2 Method and system for location determination and navigation using structural visual information
有权
使用结构视觉信息进行位置确定和导航的方法和系统
- 专利标题: Method and system for location determination and navigation using structural visual information
- 专利标题(中): 使用结构视觉信息进行位置确定和导航的方法和系统
-
申请号: US13309081申请日: 2011-12-01
-
公开(公告)号: US09395188B2公开(公告)日: 2016-07-19
- 发明人: Curtis Ling
- 申请人: Curtis Ling
- 申请人地址: US CA Carlsbad
- 专利权人: Maxlinear, Inc.
- 当前专利权人: Maxlinear, Inc.
- 当前专利权人地址: US CA Carlsbad
- 代理机构: McAndrews, Held & Malloy
- 主分类号: G01C21/16
- IPC分类号: G01C21/16 ; H04N7/18 ; G01C21/20 ; G01C21/36
摘要:
Methods and systems for location determination using structural visual information may comprise receiving global navigation satellite system (GNSS) signals in a wireless device (WD) for determining a first position of the WD. One ore more images of a structure or structures near the WD may be captured and a position may be determined based on a comparison of the structures in the images to structures in a stored database. The database may be pre-stored based on a known future location of a user of the WD. The database may be downloaded and stored when insufficient GNSS signals are present. The database may comprise a plurality of images or may comprise video of structures. A distance from the structures may be determined based on known optical properties of a camera in the WD, and may be used to determine an accurate location based on the images.
公开/授权文献
信息查询
IPC分类: