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Fixing face-swap issues/holes??


acoustic77

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Hello all! I'm trying to faceswap in some pictures (a face onto a movie poster) and keep running into one problem in particular. Here is what I'm doing:

1. Cut out person's face with lasso tool
2. Paste it over movie-poster face
3. Reduce opacity and line faces up perfectly (focusing on eyes)
4. Select->Modify->contract by 5 pixels
5. Switch to movie poster and delete currently selected space
6. Select both layers (movie poster and face cut-out)
7. Edit-> auto-blend layers

BUT, there are always small amounts 'blank' (transparent) space left between the face and the movie poster. Does that make sense? Is this a problem people have had before? What do I do to fix it? Contract more? less?

Thanks for the help guys!!
 

iDad

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When I replace a face I put the new face on top layer in luminosity mode, create a blank layer between the two select the dominant color on the face of the bottom face and paint in the area where the new face is with the color just selected works perfectly nearly every time
 

Paul

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cut my face out placed onto lizzies altered saturation and colour levels, played with lighting softened edges of my face to blend better.

lizaul.jpg:mrgreen:
 

ibclare

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Deleting pixels for this kind of thing is always a mistake in my opinion. I would use a mask then fill tyour selection with black. This way, you use a soft or medium soft brush at lower opacity, building up, to fill in those spaces. I also use the soft brush to do the blending as Paul suggested. Personally, I've never needed to use auto-blend, just do it all manually, layer over layer.
 

Paul

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How about posting your efforts mate.
 

ibclare

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Auto-blend. Select a bunch of layers and go into edit menu. I have no idea why it might be used. I remember seeing it discussed in a lynda.com video but it didn't seem relevant. I tried the stack option on a document I had open and it seriously warped the imagery . . . I'm sure it has its place. It was being applied in the panorama blending mode now that I think of it.
 
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IamSam

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I totally agree with Claraby...........never erase pixels! Learn to use masking!
I found a few tutorials that used the Auto-blend...............I quickly determined it was useless for almost anything I was needing to do. There are much better ways of blending.


Here are some great face swapping references!

http://www.youtube.com/watch?v=nv0BrFvjE8s
http://www.youtube.com/watch?v=t5SGw8izxMY
http://www.youtube.com/watch?feature=player_embedded&v=yE95hNa_d10#!
http://www.tutorvid.com/photoshop-tutorial/face-swapping-photoshop-cs5-tutorial/
 

iDad

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As long as you duplicate the layer it doesn't matter whether you erase or not you're always covered.


Edit:I didn't drink a drop honest!:mrgreen:
 
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IamSam

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I'm not saying I never erase, because I do at times. But as you stated, I always duplicate everything just in case. Overdone or not, I still advocate masking. Masking saves a tremendous amount of time when several state changes are made to an image or layer. Duplicating serves more as a new starting point when you make a mistake you cant back out of.
 

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