CS3 and later versions have the option to adjust the edges, but this feature is specifically for the selection, as long as there is a selection, in the property panel this function can be used.
Process: First, you need to use the selection tool to select the main body or background, you can use Lasso, quick selection and other tools. Then set the relevant parameters in the Adjust edge option in the property bar to optimize the body edges. So we can get the more natural edge of the subject.
Original
Final effect
1, in Photoshop CS6 open the material map to copy two layers, the following layer of hidden.
2. Select the parts to be deducted with the quick selection tool, including the detail part! Then click the Adjust Edge button.
3, the parameters are set as follows.
4, after the determination of the effect, remove redundant parts.
5, the effect of the picture! Here we found the hair and other body parts are missing, then just repeat the steps again.
6, open the hidden material layer, with a quick selection tool to select the main part to be deducted! Don't keep the details this time.
7, set the parameters as shown below.
8. Finally, two layers are laminated.
Final effect:
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