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Palette
David Tulloh edited this page Jul 3, 2015
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As thermal images lie outside our visual range all graphical representations apply a palette of some kind.
An unprocessed image is often represented as gray scale values but mapping it on to a coloured palette often makes the image easier to understand by highlighting values or improving the contrast.
A sample of different palette options
The Iron palette is a popular choice parametric approximation, 256 element look up table (C code)