Premium
Observational Weighting Considerations In GPS Aerial Triangulation
Author(s) -
Fraser C. S.
Publication year - 1995
Publication title -
the photogrammetric record
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.638
H-Index - 51
eISSN - 1477-9730
pISSN - 0031-868X
DOI - 10.1111/0031-868x.00031
Subject(s) - weighting , triangulation , global positioning system , control point , computer science , observational study , remote sensing , computer vision , artificial intelligence , geography , mathematics , cartography , statistics , telecommunications , medicine , radiology
This paper addresses aspects of relative observational weighting for GPS camera station positions, ground control and image co‐ordinate data in GPS aerial triangulation. Weighting implications for different control point and drift parameter scenarios are discussed, a two stage adjustment/transformation procedure is proposed and the implications of observational weighting on triangulation precision are reviewed. Bundle block adjustment results from a 626 photograph, 1650 point GPS aerial triangulation project are presented to illustrate the outcomes of different weighting and ground control strategies.