sharpen an image with photoshop

[ThierryD]

To eliminate the blur on a photo, we will use the method of enhanced with photoshop.

NB: If you have problems viewing images in this tutorial:
Right click on the white square with a red and click on the "image display".

In the Layers window in Photoshop (bottom right), right click the mouse on the background layer and in the menu click on Duplicate Layer.

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In the window click "OK"

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Click Filter / Other / High Pass

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Select a radius value revealing that trait.

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In the list of blending modes, select Hard light

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Acting on the layer's opacity to assay the enhanced.

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Click Layer / Flatten Image

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Below is the result of the enhanced image.

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This method corrects a slight blur, a default of the focus.
To see another example of a picture that has been enhanced to eliminate blur, watch the tutorial "straighten a crooked image with photoshop"
Have fun.