Hi,
What I would do is leave the extract tool,
Go to the channels
take a look at all different color
channels
decide which has the most amount of contrast between the
hair and the backgdround,
make a copy of that channel,
use levels to boost the contrast all the way so that the
dark hair vs the white background will make a natural mask
load this as a selection
go to layers
make a copy of the background layer
apply the selection as a layer mask
use gaussian blur on the layer mask
take a very soft brush, bring opacity and flow to less than
10%
work on the edges of the mask to perfect the mask to your
liking
using this mask cut out the image.
put the image on the new background,
now you have the white color spillage from the former
background around the periphery of the cut out hair
get a soft small brush,
using the color from the new background turn the mode to
"color", and paint on the white spillage..
HTH
Veli Izzet
Dear all, I have a photoshop related question.
From: owner-photoforum@xxxxxxxxxxxxxxxxxxxxxx [mailto:owner-photoforum@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Achal Pashine
Sent: Friday, June 17, 2005 2:14 AM
To: List for Photo/Imaging Educators - Professionals - Students
Subject: Phoshop questions
I shot a portrait of a subject on a nicely illuminated white background. Now, I want to extract it to replace the real background with a digital one. Despite homogenous whilte background, I am having a very hard time to extract the subject using the 'extract' filter in PS. This is especially because the hair details are lost. Since this will be blown to at least 8X10 size (if not more), I want to be very sure that the hair details look normal. I tried to use a history brush after the extraction procedure, but it leads to regaining of some white background (everything else is transperent).
So the question is: does anybody here have a tip for me to accomplish this task. Any URL etc would help too. Someone suggested me to make masks to extract, will somebody shade more light on that, if they have experience.
Thanks for any help,
Achal
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