Full text: Proceedings of the Symposium on Global and Environmental Monitoring (Part 1)

The Use of Artificial Cloth Targets for 
Positioning Airborne Scanner Imagery 
M. Lasserre and F. Gemmell 
Canada Centre for Remote Sensing 
2464 Sheffield Rd., Ottawa, Ontario, Canada 
The detection of specific features to be used in 
attitude control of airborne scanned electro- 
optical imagery is often impeded by viewing 
geometries and terrain variations. To reduce 
dependence on natural features, artificial targets 
are deployed which will give good visibility on 
frame photography, and in the digital data which 
is collected in various wavelength windows. The 
spectral response of the cloth material, the 
surrounding surficial features and environmental 
effects are contributors to the variances by which 
target detection can be performed. The paper 
reports some experimental results in the 
definition of the target's geometry, its field 
deployment and its detection in both air photo and 
digital, multispectral scanner imagery. 

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