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An ENVI question (sigh) [message #45739]

Wed, 28 September 2005 04:00

Mort Canty
Messages: 134
Registered: March 2003

Senior Member

Hi all,

I know that ENVI experts are pretty sparse in this group, but I'm
desparing (again). I posed this question here some time ago without
success, but maybe someone can help now.

In ENVI version 3.6 the classification "rule image" was changed from
being an array of pixel class membership probabilities to "something
else". That "something else" is described nowhere, save in an RSI Tech
Tip, article No. 1793

http://www.rsinc.com/services/techtip.asp?ttid=1793

by someone that unfortunately doesn't know the difference between a
covariance matrix (Greek Sigma) and a summation symbol! (So you see why
I despair).

Has _anyone_ managed to find out precisely what the numbers mean that
are stored in ENVI rule image arrays?

Many Thanks

Mort Canty

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An ENVI question (sigh)

By: Mort Canty on Wed, 28 September 2005 04:00

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