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Colourizing grayscale photos by combining RGB values

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Hi there

I have 3 b&w versions of an image, each taken through a red, green, or blue filter. I have gotten to the stage where I have isolated the RGB channels. This is what it looks like so far:


However, I am unable to combine the layers in such a way that a colourful end image is produced. This is what the result looks like:


Could anyone please help me to produce a colour image? I am trying to emulate what Sergey Prokudin-Gorsky did.

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I think that in using the gray-scale to RBG example; that flying_chair presented; adding 50 to 66% transparency to each layer before merging to a single layer and then turn the opacity of the single layer up to 100% is the solution.
I hope that you have save to a PDN so that you can test this. I must admit that I have not tested this.

Sergey Prokudin-Gorsky was using transparencies also, but his was photographic film transparencies.

Edited by HyReZ


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