Andrew88 Posted January 24, 2021 Share Posted January 24, 2021 Dear Support, I have found that some unwanted sharpening added when export images. On the attached photo: left image is exported from Capture One21 (jpeg, sRGB) right image is opened and only exported (without any touch) from Affinity 1.8, format is jpeg 95 quality. How can I disable this future? Thank you in advance Andrew Quote Link to comment Share on other sites More sharing options...
NotMyFault Posted January 24, 2021 Share Posted January 24, 2021 Hi Andrew, welcome to this forum. not the support department, just another mortal user of affinity and this forum, but i hope this might help: I don’t think this is sharpening. My assumption is there are differences in the jpeg quality settings when exporting. The lossy compression can lead to loss of details, and can introduce hard edges or mosaic artefacts. Can you try to export both files with a lossless format like TIFF or jpeg compression disabled (quality set to 100) ? To compare the result just place place both files into one single affinity document as separate layers. Then set the blend mode of the upper layer to ‚difference‘. it will be completely black where pixels are identical, and all differences are much easier to detect. and please always set the zoom to 100% when comparing, otherwise the rendering could show misleading results which will differ from the files content. here is an example for the method: Pšenda 1 Quote Mac mini M1 A2348 | Windows 10 - AMD Ryzen 9 5900x - 32 GB RAM - Nvidia GTX 1080 LG34WK950U-W, calibrated to DCI-P3 with LG Calibration Studio / Spider 5 iPad Air Gen 5 (2022) A2589 Special interest into procedural texture filter, edit alpha channel, RGB/16 and RGB/32 color formats, stacking, finding root causes for misbehaving files, finding creative solutions for unsolvable tasks, finding bugs in Apps. My posts focus on technical aspects and leave out most of social grease like „maybe“, „in my opinion“, „I might be wrong“ etc. just add copy/paste all these softeners from this signature to make reading more comfortable for you. Otherwise I’m a fine person which respects you and everyone and wants to be respected. Link to comment Share on other sites More sharing options...
Pšenda Posted January 24, 2021 Share Posted January 24, 2021 55 minutes ago, NotMyFault said: Can you try to export both files with a lossless format like TIFF or jpeg compression disabled (quality set to 100) ? Only for information - this is not "lossless"! JPEG with 100 is best compression quality, but not lossless. Lossless quality can JPEG2000 and JPEG-LS, which, as far as I know, does not yet support Affinity. https://en.m.wikipedia.org/wiki/Lossless_JPEG Quote Affinity Store (MSI/EXE): Affinity Suite (ADe, APh, APu) 2.4.0.2301 Dell OptiPlex 7060, i5-8500 3.00 GHz, 16 GB, Intel UHD Graphics 630, Dell P2417H 1920 x 1080, Windows 11 Pro, Version 23H2, Build 22631.3155. Dell Latitude E5570, i5-6440HQ 2.60 GHz, 8 GB, Intel HD Graphics 530, 1920 x 1080, Windows 11 Pro, Version 23H2, Build 22631.3155. Intel NUC5PGYH, Pentium N3700 2.40 GHz, 8 GB, Intel HD Graphics, EIZO EV2456 1920 x 1200, Windows 10 Pro, Version 21H1, Build 19043.2130. Link to comment Share on other sites More sharing options...
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