To extract an object from its background:

1 In the Layers palette, select the layer containing the object you want to extract. If you select a background layer, it becomes a normal layer after the extraction.

To avoid losing the original image information, duplicate the layer or make a snapshot of the original image state.

Note: If the layer contains a selection, the extraction erases the background only in the selected area.

2 Choose Filter > Extract.

You use tools in the Extract dialog box to specify which part of the image to extract. You can resize the dialog box by dragging its lower right corner.

3 Specify options for tools in the dialog box (you can change these settings at any time):

• For Brush Size, enter a value, or drag the slider to specify the width of the edge highlighter, eraser, cleanup, and edge touchup tools.

• For Highlight, choose a preset color option, or choose Other to specify a custom color for the highlight.

• For Fill, choose a preset color option, or choose Other to specify a custom color for the area covered by the fill tool.

• If you are highlighting a well-defined edge, select Smart Highlighting. This option helps you keep the highlight on the edge, and applies a highlight that is just wide enough to cover the edge, regardless of the current brush size.

4 Adjust the view as needed:

• To magnify an area, select the zoom tool s in the dialog box, and click in the preview image. To zoom out, hold down Alt (Windows) or Option (Mac OS) as you click.

• To view a different area, select the hand tool in the dialog box, and drag in the preview image.

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