12. This type of colour infrared photograph is interesting because it reveals details that can’t normally be seen. To the untrained eye, however, it looks like yet another false-colour image produced by digital manipulation. For a more artistic way of introducing colour, split channels as in Step 9 but choose YIQ instead of RGB.
Step 12
13. The I and Q images contain the colour information and the Y image contains the intensities. Substitute the infrared shot for the Y image and you should end up with correct colours but the tonal properties of an infrared photograph. Close the Y image and open the infrared one. Convert it as before and adjust the contrast.
Step 13
14. Select Image, Combine Channels and choose YIQ as the mode in the Combine dialog box. Select Y as the channel and your infrared image from the list of images. Next, choose I as the channel and the I image from the list. Finally, select Q as the channel and the Q image from the list. Click ok.
Step 14
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