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Convert inverted images to positive in photoshop


apenan

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I received two photos from a friend and unfortunately they are
in inverted format. I manage to convert one to positive in
photoshop 3 and not able to convert another one.
ANy suggestions?
The photos are enclosed.
 

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I presume the image you had trouble with is the one of the girl. The first thing to try with an image that looks like this is to simply hit, "control-I" (ie, "invert") in Photoshop. Depending on exactly how the image was created, this may or may not work. In this case, it worked. After a little noise reduction, some minor color correction, and a bit of pixelation (since this a family friendly forum), I got the following:

nr1-00_tjm01-ps01a-02.jpg

However, don't always assume the cntrl-I trick will always work. For example, here is an image that looks like a negative, but on which the cntrl-I method won't work. That is because this one was created using a gradient map.

nr1-00_tjm01-ps01a-03_gradient_map_looks_like_simple_negative.jpg

Here's another version on which the cntrl-I method also won't work. In this case, the reason is because this is almost exactly what an old-fashioned film negative (that has an orange base layer) would look like.

nr1-00_tjm01-ps01a-04_film_neg_with_orange_mask.jpg

HTH,

Tom M
 

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