Title :
A comparison of criteria for decision fusion and parameter estimation in statistical multisensor image classification
Author :
Solberg, Anne S. ; Storvik, Geir ; Fjørtoft, Roger
Author_Institution :
Norwegian Comput. Center, Oslo, Norway
Abstract :
We study two related topics in decision fusion for multisensor image classification. The first topic is the use of a weighted logarithmic opinion pool compared to the statistical product combination rule. The performance is compared on three data sets. The second topic is related to different criteria for parameter estimation for a statistical fusion model. We propose an alternative criterion for estimation of the mean vector and the covariance matrix of a Gaussian model based on minimizing the number of misclassified training samples and compare the performance of this to the traditional maximum likelihood approach.
Keywords :
geophysical signal processing; geophysical techniques; image classification; remote sensing; sensor fusion; terrain mapping; Gaussian model; covariance matrix; criteria; criterion; decision fusion; geophysical measurement technique; image classification; image processing; land surface; mean vector; minimizing; misclassified training samples; multisensor method; parameter estimation; remote sensing; sensor fusion; statistical fusion model; statistical method; statistical product combination rule; terrain mapping; weighted logarithmic opinion pool; Bayesian methods; Covariance matrix; Error analysis; Image classification; Image sensors; Mathematical model; Neural networks; Parameter estimation; Probability density function; Satellites;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2002. IGARSS '02. 2002 IEEE International
Print_ISBN :
0-7803-7536-X
DOI :
10.1109/IGARSS.2002.1024945