Selections and Gaussian blur

Started Aug 27, 2018 | Discussions thread
gscotten Senior Member • Posts: 1,658
Re: Selections and Gaussian blur

Eliot Kramer wrote:

Sometimes, when I make a selection and use a Gaussian blur or similar filter on that selection it will take the pixels outside the selection and average/blur them in, so that the selection is contaminated

Is this what you mean?

The box on the right was the selection and I gaussian blurred it. It picked up the red from outside the selection and contaminated the selection.

If that is your issue, the best way to deal with it is to use the Lens Blur instead of Gaussian Blur. In the old days you had to use the Layer Mask mode, but now all the Lens Blur modes honor the selection.

This tip was presented here long ago by a great retoucher and teacher, Peano. I wish he were still here, as I still have a VERY great deal to learn.

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