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Lets say you have a rather details subject in a photo that you want to extract from the photo. What is your preferred technique to extract the subject from the photo?
if i am correct to mean your point, you are trying to say the selection process,
personally i feel it is a most require and most difficult process, not a single tool can help you in this regard, and it completely depends on the condition of the image, if you take an uncluttered image suppose a completely black background, only magic wand tool/quick selection tool can give a good result, or if you want to extract a subject from a cluttered background, not a single tool can give you the result, in that case you have to use the tools in combination with the other,
another process i had found from a blog on the net, they use the channel (channel pallet) like blue/ green/ red where the edges of the subject is more defined and they also use level to that particular channel to give it more definition on the edges, or sometime they also combine two channels to make it as a selection,
but i do not follow anyone, i always try to mask out the subject in the large view, it is time consuming but easiest at least to me
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Very good technique above, if you want to extract a subject from an image (called A) to paste on another image(called B), place the image A as a layer and place the image B as a layer above that layer, just mask out minutely the subject from the layer below, if you are not sure about the success, just give a texture layer above all the layers to hide the fault, as simple as that...
ok i have uploaded an example at the group, because i can not upload here...
Learning to mask with CS5 is quite major...... I note that their own video took a model against white (if we all shot elements of pics against plain backgrounds then we wouldn't have a problem!). My experience was that it was still quite fiddly and a bit unpredictable, but then I probably wasn't doing it the best way.
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