公开(公告)号：US20210390736A1

公开(公告)日：2021-12-16

申请号：US17313419

申请日：2021-05-06

申请人： China University of Mining and Technology, Beijing

发明人： Yi LIU

IPC分类号： G06T7/73 ,  G06K9/62 ,  G06T17/05 ,  G06K9/00 ,  H04W4/021

摘要： The present disclosure discloses an intelligent position sensing system based on spatial three-dimensional model image matching, which realizes three-dimensional precise positioning and target orientation positioning of closed spaces, such as a coal mine. The position sensing system includes a three-dimensional GIS server, a position matching server, a wireless camera, and a wireless access device. Position sensing is realized by comparing an image collected by the wireless camera with a two-dimensional image generated by rendering. The disclosure positions a target without carrying a special wireless positioning card, and can realize three-dimensional precise positioning, including target orientation, by only carrying a camera with a wireless communication function in combination with a wireless positioning technology, a three-dimensional GIS technology, and a digital image processing technology, which can be widely applied to the field of precise positioning of confined spaces, such as factories, coal mines, and subways, and can be widely applied and promoted.