US Patent:
20120163656, Jun 28, 2012
Inventors:
Sy Bor WANG - Palo Alto CA, US
Hongbo TENG - Fremont CA, US
Omar P. SOUBRA - Westminster CO, US
Bruno M. SCHERZINGER - Richmond Hill, CA
Peter G. FRANCE - Christchurch, NZ
James M. Janky - Los Altos CA, US
Gregory C. BEST - San Francisco CA, US
Assignee:
TRIMBLE NAVIGATION LIMITED - Sunnyvale CA
International Classification:
G06K 9/62
Abstract:
Method and apparatus are provided for image based positioning comprising capturing a first image with an image capturing device. Wherein said first image includes at least one object. Moving the platform and capturing a second image with the image capturing device. The second image including the at least one object. Capturing in the first image an image of a surface; capturing in the second image a second image of the surface. Processing the plurality of images of the object and the surface using a combined feature based process and surface tracking process to track the location of the surface. Finally, determining the location of the platform by processing the combined feature based process and surface based process.