The tutorial is a little different from the usual chart. The author first in the channel to sharpen the picture, so that the adjustment of the map is more convenient.
1. Open the original selection menu: Image > Mode > Lab mode, point Channel surface version with USM sharpening the brightness channel. Then revert to RGB mode.
2. Point Channel Surface version then click the Green Channel CTRL + A Select all, press CTRL + C copy, point blue Channel Press CTRL + V paste.
3. Press CTRL + J to copy one layer, and change the layer blending mode to: Filter color, plus mask to wipe the background part with black brush tool.
4. Adjust the curve and brightness contrast to finish the final result.
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