Systems and methods for VSLAM optimization

摘要

H:/dxl/Intrwovn/NRPortbl/DCC/DXL/7744432_I.docx-1/05/2015 A method for navigating a mobile system, the method implemented on one or more computer systems, comprising the steps of: matching landmarks in a mobile device by: retrieving features from a global database; ranking landmarks by visual similarity; selecting a plurality of candidate landmarks; for each of the plurality of candidate landmarks: retrieving features in a local database; performing pose estimation; performing bundle adjustment; and determining an observation pose and covariance; selecting the best candidate as the matching landmark. WO 20 12/040644 PCT/US201 11053122