In this tutorial, I will show you how to sharpen an image in GIMP 2.10.14 using the High pass filter. #gimp, #sharpen

Chapters
00:00 Intro
00:14 Zoom Image
00:25 Duplicate Layer
00:37 Apply the Noise Reduction
01:36 Create Layer Group
01:47 Duplicate the "Noise Reduced" layer
02:07 Move Both Duplicate Layers
02:27 Apply High Pass Filter
02:50 Change Blend Mode to Hardlight or Softlight

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Step 1: Zoom Image up to 100%.
Zoom Image up to 100% to get an accurate view of the sharpening. Use View-Zoom 1:1 (100%). This option maximizes the image.

Step 2: Duplicate Layer.
Go to Layer-Duplicate Layer or else just press Shift+Ctrl+D. You can name this duplicate layer with “Noise Reduction”.

Step 3: Apply the Noise Reduction filter On the Duplicate Layer.
Activate the duplicate layer by clicking on it then use Filters-Enhance-Noise Reduction. Enter a value for the Strength through the up and down arrows.

Step 4: Create a New Layer Group.
Use Layer-New Layer Group to create a new group layer. You can name it "Sharpen".

Step 5: Duplicate the "Noise Reduced" layer two times.
Use Layer-Duplicate Layer. The top duplicate layer is for the high pass filter.

Step 6: Move Both Duplicate Layers to the Sharpen Group Layer.
Drag to move both duplicate layers to the Sharpen group layer.

Step 7: Apply The High Pass Filter.
Use Filter-Enhance-High Pass Filter. Experiment with different Std.Dev and Contrast value.

Step 8: Change its Blend Mode to Hardlight or Softlight.

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