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color value interpolation from colorbar [message #64128] Thu, 04 December 2008 09:27 Go to previous message
j.coenia@gmail.com is currently offline  j.coenia@gmail.com
Messages: 36
Registered: December 2008
Member
Hi,

I have a color-coded medical image.

There is a colorbar on the image, for example a red-to-yellow gradient
valued from 1 to 100.

There is *not* a one-to-one correspondence between the colors in the
colorbar and the colors in the image. There are many more
intermediate reds, oranges, and yellows in the image than in the
colorbar.

What is the correct way to interpolate gradient values to all the
unknown image colors from the discrete colors/gradients defined in the
colorbar?

(The documentation for INTERPOL and INTERPOLATE has not helped me so
far.)

Thanks

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