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Hi, thanks for the help!
I alreday solved the problem by using FloatProcessor allowing for negative
Pixel Values. Othetwise the difference image PIC1 - PIC2 = DIFF contained
Zeros instead of negative values. And therefore stdDev (DIFF) was wrong.
The other workaround using an artificial offset (PIC1+OFFSET) - PIC2 =
DIFF works as well.
Cheers,
Sebi
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