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Up-sampling in C1

Brian Creek

Hello,

Just read this from Bay Photo discussing printing large images with good resolution by up-sampling in PS.  Is there a similar process in C1 21?  Sorry in advance for the insanely long link.

 

https://www.blog.bayphoto.com/post/pro-corner-how-chris-burkard-sizes-files-for-large-prints?cm_ven=ExactTarget&cm_cat=1021-2_Info_Chris-Burkard-Sizing-Guide&cm_pla=Bay+Photo+News+and+Info&cm_ite=https%3a%2f%2fwww.blog.bayphoto.com%2fpost%2fpro-corner-how-chris-burkard-sizes-files-for-large-prints&cm_lm=17442286&cm_ainfo=&utm_source=sfmc&utm_medium=email&utm_campaign=20211005_info&&

 

Brian

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Comments

5 comments

Date Votes
  • SFA

    https://support.captureone.com/hc/en-us/articles/360002646898-Setting-dimensions-and-resolution-in-the-Process-Recipe-tool 

     

    Does that help?

    Upscaling to 250% should be possible. Maybe more these days - I have not made use of it for a while.

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  • Brian Creek

    Yep!  That's what I wanted to know.  Is it really that much more straightforward than in PS?

     

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  • gb
    • Edited

    C1 will not do that incremental up-size as easily as PS.
    To up-size at 10% increments to say 150% in PS you just have to open and apply the Image Size tool five times, each with that 10% increase.
    C1 will only upscale on export.
    So you would first have to export as say a Tiff with the fist 10% enlargement.
    You would then have to re-export that exported Tiff with another 10%
    and repeat until you total 150%.
    Could get messy and quality might actually go backward.
    Might need a bit of experimentation to see how it goes.

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  • SFA

    It's an individual choice but I am not sure the upscale in 10% increments is important for C1 purposes. It means going through a series of intermediate files and that sounds very much like something the harks back to the days of destructive editing.

    In C1 you just set the target size for the output. The image and crop combination will have produced a working set of data with delimited pixel dimensions. You specify the target resolution - mostly depending on whether you are seeking a print size or a screen size - and then see what the Proofing for the recipe gives you. 

    For output sharpening bear in mind that there are different approaches for screen and print outputs and anticipated viewing distance may be important for the image and the choices made.

    If, because of extreme detail requirements at large print sizes (for example) you need to consider some specialised processing then you have controls in the processing phase using highly selective layers.

    On top of all of that, if you are printing there are also the image appearance controls in the printer drivers to consider.

    If you are producing an output file to be sent for further processing outside C1 the popular choice seems to be "No Output Sharpening" and leave that to be handled after the subsequent process application (e.g. Photoshop, Affinity ... ) has been deployed.

    Years ago I enjoyed reading about people who had produced extremely large printed outputs from what today we might consider as low resolution files from low resolution sensors when they hoped to retain the whites of people's eyeballs somewhere in the depths of a giant panorama. It was always a great read about the battles over many days and many reprints to get the results they had hoped for. But I think things have moved on since then and only a well funded client with a very healthy budget can really justify that level of intensity.

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  • ernst.w

    Hi Brian,

    I am going another way for upscaling with Little Bit netter Resultat than with PS: I let GigaPixel AI from TopazLabs do the work. Just „Edit With“ and hand over to GigaPixel AI. The resultat is a very good upscaled Image in any format you choose; I use TIFF 16Bit.

    Kind regards
    Ernst

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