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专利名称：Using gravity measurements within a
photogrammetric adjustment
发明人：Sharp, Kevin,Weisenburger, Shawn申请号：EP13179878.7申请日：20130809公开号：EP2696168A1公开日：20140212
专利附图：
摘要：A method for determining a location of a target (108) in a real-world coordinatesystem using a measuring device (102) comprising a camera includes, at a first location(104), determining first location coordinates of a measuring device (102) using one or
more GNSS signals, determining a first gravitational direction, and capturing a first imageusing the camera. The method also includes, at a second location (106), determiningsecond location coordinates of the measuring device (102) using one or more GNSSsignals, and capturing a second image. The method further includes determining aplurality of correspondence points (604a, 604b, 604c, 604d)) between the first andsecond images, determining a first plurality of image coordinates for the plurality ofcorrespondence points in the first image, determining a second plurality of imagecoordinates for the plurality of correspondence points in the second image, anddetermining the location of the target (108) using at least the first plurality of imagecoordinates, the second plurality of image coordinates, and the first gravitationaldirection.
申请人：Trimble Navigation Limited
地址：935 Stewart Drive Sunnyvale, CA 94085 US
国籍：US
代理机构：HOFFMANN EITLE
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