Infrared photo grayscale to rainbow look with photoshop

W
Posted By
wrreisen2
Apr 24, 2007
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353
Replies
2
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Closed
Is there a filter or method in photoshop of taking a grayscale infrared image:

http://www.ir55.com/images/White%20hot%20WH%20Thermal%20infr ared%20human%20face%20image.jpg

and turning it into an image similar to here:

http://www.ir55.com/images/12wehjsdenew-2.jpg

www.ir55.com/infrared_IR_camera.html

Where the brightest bits are red and then slightly duller yellow then green then blue being the dullest.

(I would be taking a grayscale infrared photo with a camera then hoping to colour it in this way).
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C
Charley
Apr 24, 2007
I don’t know of a one button quick fix solution, but I would think that you could do it with the "replace color" function one color at a time. Select each grayscale level and then assign a color of your choice to it. Repeat until the whole photo is colored. You first have to change modes from B/W to Color or it won’t accept any color commands. Have you colorized B/W photos before? It isn’t as easy as it would seem. I like to create a new layer for each color, changing it’s mode to color and then placing only that one color on the layer. Then I have full control of it to set it’s opacity, tone, edge blurring, etc. ( I use Photoshop not Elements, but you should be able to easily do the same with Elements).

—
Charley

wrote in message
Is there a filter or method in photoshop of taking a grayscale infrared image:
http://www.ir55.com/images/White%20hot%20WH%20Thermal%20infr ared%20human%20face%20image.jpg
and turning it into an image similar to here:

http://www.ir55.com/images/12wehjsdenew-2.jpg

www.ir55.com/infrared_IR_camera.html

Where the brightest bits are red and then slightly duller yellow then green then blue being the dullest.

(I would be taking a grayscale infrared photo with a camera then hoping to colour it in this way).
OC
Olivier Croquette
Apr 24, 2007
wrote, On 24.04.2007 14:11 Uhr:
Is there a filter or method in photoshop of taking a grayscale infrared image:
and turning it into an image similar to here:
Where the brightest bits are red and then slightly duller yellow then green then blue being the dullest.

Use a gradient map.

And set a follow up when you cross-post…

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