LEAST ABSOLUTE DEVIATION (LAD) IMAGE MATCHING

Authors
CALITZ MF RUTHER H
Citation
Mf. Calitz et H. Ruther, LEAST ABSOLUTE DEVIATION (LAD) IMAGE MATCHING, ISPRS journal of photogrammetry and remote sensing, 51(5), 1996, pp. 223-229
Citations number
11
Categorie Soggetti
Geografhy,"Geosciences, Interdisciplinary","Photographic Tecnology","Remote Sensing
Journal title
ISPRS journal of photogrammetry and remote sensing → ACNP
ISSN journal
09242716
Volume
51
Issue
5
Year of publication
1996
Pages
223 - 229
Database
ISI
SICI code
0924-2716(1996)51:5<223:LAD(IM>2.0.ZU;2-T
Abstract
The robust estimator properties of the L(1)-norm or least absolute dev iation (LAD) is shown to provide better subpixel matching accuracy in the presence of outlier points than the least squares method widely em ployed for image matching applications. Two LAD algorithms are compare d with each other and with the least squares (LS) method and the itera tively reweighted least squares (IRLS) method. Results indicate that t he Barrodale-Roberts LAD algorithm can be used advantageously in conju nction with or in place of the IRLS and LS algorithms.