Step 11

Go to Layer > New Adjustment Layer > Levels to create a new levels adjustment layer and name it Overall Brightness.

Step 12

Now Double-click on this item thumbnail and in the Properties panel enter the settings below:

Step 13

Press Control-Alt-Shift-E on your keyboard to make a screenshot and then press Control-Shift-U to desaturate this layer. Then, go to Filter > Other > High Pass and set the Radius to 2 px as shown below:

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Step 14

Name this layer Overall Sharpening and change the Blending Mode of this layer to Hard Light.

You Made It!

Congratulations, you have succeeded! Here is our final result:

原文地址：https://design.tutsplus.com/tutorials/how-to-add-lights-to-a-tree-with-a-photoshop-action--cms-30086