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Export sharpening option

David Goldberg
Most of the advice concerning output sharpening is to first resize to your target resolution, save in TIFF, and then apply output sharpening prior to saving in JPEG. Does anyone known if the ON1 sharpening option is applied to the resized image, or is the sharpening applied to the master prior to resizing? The former could save me a lot of steps. I couldn’t find anything in the documentation that answers the question. Thanks.
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7 comments

Date Votes
  • Rick Sammartino Community moderator
    • Edited

    Photo Raw has so many ways to sharpen, I can't even list them all. These are off the top of my head with page numbers for the guide.

    • Edit has sharpening in develop and the sharpening filter (P138/164)
    • Resize has it's own sharpening module (P219)
    • Export has a sharpening module as well (P233)

    You need to find the method that works best for you.

     

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  • David Goldberg
    • Edited

    Thanks, but I’m asking specifically about the pipeline of the sharping operation under the export module.

    Let’s say I’m resizing a 32Mpx CR3 file to 2080 on the long edge. If resize within export and select sharpening, I want to understand if the module first resizes the image and then applies the sharpening, or if it first sharpens and then resizes

    The difference could be important with regard to the recommended output sharpening practice. 

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  • Rick Sammartino Community moderator

    I don't think it does either. As I understand it, sharpening takes place on the fly during resizing.

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  • Brian Lawson Community moderator

    It resizes then sharpens. You can see this in the Resize module. Set it to enlarge by 400% then Zoom to 100% view. Now do your sharpening. It is being applied to the resized image pixels.

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  • David Goldberg

    Thanks Rick. To be honest, I was looking at the Export module and hadn’t considered Resize AI. Based on the description you posted it does look like there’s an entirely different process going on.

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  • David Goldberg

    Brian - thanks. Do you know if the Export module applies the same process as Resize AI or are they two different algorithms?

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  • Brian Lawson Community moderator

    I don't know for certain but I'm pretty sure they are the same algorithms only Export doesn't give you all the controls that Resize offers.

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