By selecting a topic when there is low contrast with the background?

I need to make a good selection of a person when there is very little contrast between the person and the background. In addition to the use of the selection tools like the magic wand, quick selection, refine edge, are there other things that might well work? I also tried to find a way to use a levels adjustment layer on what to change the contrast of the subject to bring the person to stand out more just in order to make the selection, it also affects the bottom. Can you make suggestions?

Thank you.

Look at the individual channels (i.e. red green blue) it is common that one of them to have contrast better than the combined image. Sometimes you have to make the selection mask / step-by-step and use different methods on different parts. You can save each selection as an Alpha channel and combine them later.
On the edgess that are smooth (i.e. not hair) the pen tool can often be more effective in the development of an edge just using the selection tools.

Hope that helps

Dave

Tags: Photoshop

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