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QUALITY ASSESSMENT OF DIGITAL ELEVATION MODELS PRODUCED BY AUTOMATIC STEREOMATCHERS FROM SPOT IMAGE PAIRS
Author(s) -
Day T.,
Muller J.P. A. L.
Publication year - 1988
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/j.1477-9730.1988.tb00630.x
Subject(s) - digital elevation model , geocoding , elevation (ballistics) , orientation (vector space) , epipolar geometry , computer science , matching (statistics) , computer vision , feature (linguistics) , artificial intelligence , remote sensing , image (mathematics) , geology , mathematics , statistics , linguistics , philosophy , geometry
A number of published steromatching algorithms have been implemented and tested on SPOT images of areas for which gridded digital elevation models (DEMs) are available with spacings of 80 m or less, as well as ground control checkpoints. Results are presented for comparison of stereomatched output with the DEMs as well as an analysis of the errors arising and their causes. Results are discussed for planimetrically geocoded and epipolar resampled data. An error budget describing effects due to orientation, feature localisation and matching are discussed and conclusions drawn for future work in this area.