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GIMP TutorialsColouring B&W photos (Showcase | Slideshow)

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david

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Re: Colouring B&W photos

Post#22 by david » 06 Jan 2018, 17:50


OMG,

Another excellent result - the hair is excellent.
Hair I always find difficult. (Not mine it is getting very thin these days!)

david.
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Post#23 by david » 06 Jan 2018, 18:33


One of the changes I tend to make to portraits (colour and black & white) is to increase the impact of the eyes and lips.

I do this by increasing the contrast and brightness using Colours & Curves. Changes to saturation may also help.
I use to very slightly change the size and shape of these features - probably no more than 1% - 3%. Cage transform was excellent for this, but unfortunately is no longer available to us.

david.
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eyes.jpg
eyes.jpg # (19.58 KiB) Viewed 138 times (Watermarked | Thumbnail)
eyes_1.jpg
eyes_1.jpg # (22.79 KiB) Viewed 138 times (Watermarked | Thumbnail)
lips.jpg
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Pat625
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Post#24 by Pat625 » 08 Jan 2018, 08:15


David, I am having a difficult time making the hairline look natural when pulled backed from the face. Such as on men with short hair at the forehead brushed back. What techniques do you use? Any special brushes?
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Post#25 by david » 08 Jan 2018, 09:48


Pat625,

If you can expand a little on your problem I may be able to suggest a better solution - perhaps before and after pictures(?)

I do not use brushes as such, but make a selection in the region where pixels become "vague" between the two areas and then try to decide how much feathering to apply to make the transition look natural.

If you can supply examples, I can perhaps demonstrate what I do.

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Post#26 by Pat625 » 08 Jan 2018, 16:16


Here is a photo that I downloaded for practice. I tried to get as close to the hairline as possible and tried different amounts of feathering but it still looked terrible. Did not post attempt as it looked like a big joke.
IMG_1644.JPG
IMG_1644.JPG # (64.41 KiB) Viewed 91 times (Watermarked | Thumbnail)
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Post#27 by david » 08 Jan 2018, 17:35


Pat,

I hope this is helpful to you!
I have very quickly gone through the process.
face selected.png
face selected, saved to channel
face selected.png # (271.39 KiB) Viewed 84 times (Watermarked | Thumbnail)
Selection feathered by 5px.

Then I selected the hair (going straight across the face).
hair selected.png
hair and part face selected
hair selected.png # (307.52 KiB) Viewed 84 times (Watermarked | Thumbnail)
I clicked on the face channel and chose "Subtract from selection". This left only the hair selected which I feathered by 5px.

Here is my final result - I didn't colour the tie, jacket, shirt or background - but he looked very strange with grey lips and eyes!
final_result.png
final_result.png # (353.91 KiB) Viewed 84 times (Watermarked | Thumbnail)
Is this the sort of result you wanted? Let me know what you think.

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Post#28 by Pat625 » 08 Jan 2018, 20:39


Yes, this is what I wanted. I was doing something similar but not getting the hairline at the forehead correctly. I will use your very fine example and practice. Practice! That is what I need. Thank you again David, for all your help.
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