University of Botswana Department of Environmental Science ...

Question by Hamisai Hamandawana
Submitted on 7/2/2004
Related FAQ: Satellite Imagery FAQ - 5/5
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University of Botswana Department of Environmental Science P.Bag 00704 Gaborone Botswana How do I enter calibration coefficients in Erdas Imagine in order to radiometrically match Landsat images acquired on different dates? I am trying to use the invariant procedure in which regression coefficients derived by using DN-values from pseudo-invariant surfaces are used to match scenes acquired on different dates on a band-by-band basis. I have explored Erdas and it appears I should be able to do this using the software's model maker utility. My problem is how to type in the formula and declare the image to be adjusted in the appropriate Script modeling language.I am so desperate that my entire project-work is now at standstill. Hamisai Hamandawana E-mail: hamandawanah@hotmail.com

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