Timeline for Is there a better way to "smooth out" CMYK halftones other than just blurring?
Current License: CC BY-SA 4.0
10 events
| when toggle format | what | by | license | comment | |
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| Jan 10, 2021 at 5:23 | comment | added | Mark Ransom | P.S. there are blurs with a sharper cutoff than the usual Gaussian, but I'd expect the difference to be subtle. That includes the FFT suggested by others. | |
| Jan 10, 2021 at 5:04 | comment | added | Mark Ransom | The halftoning process itself sets an upper limit on the amount of detail you'll be able to retain. It's unfortunate for sure. | |
| Jan 7, 2021 at 13:55 | answer | added | David Rouse | timeline score: 1 | |
| Jan 7, 2021 at 11:13 | comment | added | xenoid | Same as@xiota. There is a FFT plugin for Gimp. Since it is a binary availability depends on yrou OS and Gimp version. | |
| Jan 7, 2021 at 7:41 | comment | added | xiota | Removing the halftone pattern will reduce the apparent resolution and sharpness of the image. There's nothing you can do about that because the detail simply isn't there. Otherwise, the procedure is exactly the same as in the other question | |
| Jan 7, 2021 at 6:46 | comment | added | Shelvacu | I don't see how to use fourier transforms here. That question is about an image that has a repeating pattern "on top of" it which needs to be removed/filtered out, where in this case the pattern is the image; removing it would remove the image. This is also why something like despeckle doesn't work. If you know a way to apply fourier transforms to this problem that would make a great answer. | |
| Jan 7, 2021 at 1:43 | review | Close votes | |||
| Jan 21, 2021 at 3:03 | |||||
| Jan 7, 2021 at 1:22 | comment | added | xiota | You can try using Fourier transforms... What is the best way to remove texture from a scanned textured photo paper? | |
| Jan 7, 2021 at 0:20 | review | First posts | |||
| Jan 7, 2021 at 6:38 | |||||
| Jan 7, 2021 at 0:18 | history | asked | Shelvacu | CC BY-SA 4.0 |