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Banding Problem


Wally

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Hi Damien, I am wondering what would be the best approach to fix the banding issue I have in this image.  I have about 8 to do.  I have read a few of your articles on banding but I believe this banding is a bit different (maybe the approach is the same regardless).  Some Canon camera models have this known interference issue when using electronic shutter mode in a room with led lights.  I have since leaned that there is an "anti flicker" mode in my camera to help deal with this but it is of little help to me now.  I did try and follow your tutorial on replacing the background using gradients with very limited success.  The results I get aren't great and I think I would struggle to replicate consistent results over multiple images.  Any advice you can offer would be greatly appreciated. 

1T2A7117 copy.jpg

700x700.jpg

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Mate, so sorry about my delayed reply.

Yes, I do have a different suggestion for you.  It's easier, but it ONLY works when your subject doesn't encroach over the edge of your backdrop.

STEP 1: Duplicate the Background layer.

STEP 2: Use the marquee tool to select the first check of undesirable background:

wally01.thumb.jpg.f70e80135e268d1cf48b9b22ac91e60b.jpg

STEP 3: Go to Edit>Fill, and choose "Content Aware":

wally02.thumb.jpg.467c798ab53307e50ca21073b667757d.jpg

STEP 4: Press OK and it will fill the area with generic backdrop colour:

wally03.thumb.jpg.8fa4f7b9d3a4b6cb8e62f03bec777685.jpg

STEP 5: Do the same on the other side - select the chunk, Edit>Fill, OK:

wally04.thumb.jpg.e139eaf48222462a1e161d32c15939ef.jpgwally05.thumb.jpg.693a86c95ddcaba3053dc365508ff2c5.jpg

STEP 6: Use the lasso tool to select around the subject:

wally06.thumb.jpg.473577e10dcef51e17229e91ce261232.jpg

STEP 7:  Again, Edit>Fill with Content Aware:

wally07.thumb.jpg.fe08986d6b832110b0e7789f1e8c091a.jpg

STEP 8:  Deselect, then apply enough Gaussian Blur to your satisfaction:

wally08.thumb.jpg.f89793b8b0e815c62d7943fb65d9f75f.jpg

(IMPORTANT NOTE:  Your number will be a lot higher than mine, since I was doing this demonstration on the web-sized file.)

STEP 9: Add a mask to the blurred layer, and mask it around the subject.  Hopefully you won't need too much precision, but check very carefully that you haven't gone onto the person:

wally09.thumb.jpg.2c8abe59775d15a336e9fce0490c9ed1.jpg

STEP 10:  Add the noise layer, the same way you did when you were adding a gradient layer. 

wally10.jpg.7419f349254ecb4ebf20df608de6c347.jpg

Let me know how you go with this.

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I have no idea.  Maybe I was a little sloppy with my marquee tool.  How many pixels of feathering should I have my marquee tool set to?

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Thank you.  I'm getting much better results with zero feathering.  Another question.  What is the difference between the EDIT>FILL>CONTENT AWARE and just right clicking a selection and choosing CONTENT AWARE.  They seem to give very different results.  

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