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Posted (edited)

I have literally done this 1000s of times. Scan, open in AF, crop and straighten, resize document (from 6400 dpi to 300dpi), and do an unsharp mask (30,1.8,0). It has worked flawlessly in AF1, but produces a useless image with vertical artifact lines in AF2.  Please let me know that this will be fixed fairly soon - I don't want to lose my 30 day window as this process is KEY for my AF needs.

in the attached image, there should be Rec, paper and black cancel...no coloured lines as in the lower right - those lines are not in the scan or on the stamp.

Mac OS 13.0.1 on a 2022 studio m1 ultra

 

Unsharp mask problems.jpg

Edited by wgb
forgot computer info.
  • 2 weeks later...
Posted

Yes, Chris, I uploaded pictures to the drop box within a few minutes of the request. I did not see any request to notify you..sorry about that.

You wanted a raw scan of an image which would, when corrected as I 'always' do, behaves very badly in photo 2.0.

I will attach four typical scans to this email.

Again, the process is load, straighten, crop, (I resize from 6400 to 300dpi, but that is not necessary to see the issue), then unsharp mask (approx. 3, 1.8, 0) As soon as the unsharp mask is 'applied' the image is ruined. FYI, the marks are in the image when saved and reloaded into photo 1.

Hopefully this is what you need from me to fix this serious issue.  If I can help further, please let me know.

~w

Nov 23.jpeg

Nov 23 3.jpeg

Nov 23 2.jpeg

Nov 23 1.jpeg

Screenshot 2022-11-23 at 7.39.54 AM.png

Screenshot 2022-11-23 at 7.39.38 AM.png

Posted

I meant to mention that the last two images are screen captures showing just before and after clicking "apply" to the unsharp mask. It appears that the upload order is backwards.

  • 3 weeks later...
Posted

I was happy to see that 2.0.3 was released. I installed it today, but sadly my issue has not been addressed. Is it reasonable to ask for a timeline for a fix?  Without this fix this software is completely useless to me - I am missing all the other great new features because to maintain my work flow, I have to continue to use only 1.10.6.

  • 1 month later...
Posted

That is, for me, great new, Chris. Good to hear.

Should you want, I would be happy to beta-test...but only that feature: in other Affinity Photo areas, I am a real novice.

Posted

Holy Moly is this bad! How is everyone not screaming for the fix.

Once the sharpening is increased past a certain threshold you get the streaks.

Unsharp Mask is an important, frequently used function. Please don't hold up releasing the fix due to some lesser bug fixes in the queue. I believe most people would rather see more frequent, small bug fix updates than waiting for fewer Big updates.

 

before_unsharp_mask.jpg

after_unsharp_mask.jpg

  • Staff
Posted

Hi @Dean C,
Welcome to Affinity Forums :)
1. Are you using a Mac with an M1 or M2 chip?
2. Do you get similar artefacts if you use a destructive Gaussian Blur, High Pass or Frequency Separation filters (check low and high frequency layers)?
3. If you turn Metal acceleration off  in the app settings for  amoment just to check this does it fix the corruption for you?
4. What Affinity Photo version are you using - 2.0.4?
Thanks for your support.
 

Posted

Hi Dean,

1)I am using an M1 Ultra in a Mac Studio.

2)I use none of these filters so I am minimal help here.

My attempts give:  Gaussian Blur (below Average?) no, High Pass yes, but vertical artefacts, Frequency Separation filters (I don't see how to do this..).

3) I turned metal acceleration off in Affinity settings and used software display and YES, this allowed an unsharp mask at 30.3, 1.823. 0 to work properly. Some Progress

4) yes, 2.0.4

 

Should I not be using "metal" acceleration as the default?

 

thanks.

 

Bill

 

before sharp at 80%jpg.jpg

after sharp at 80%jpg.jpg

Posted
9 hours ago, MEB said:

Hi @Dean C,
Welcome to Affinity Forums :)
1. Are you using a Mac with an M1 or M2 chip?
2. Do you get similar artefacts if you use a destructive Gaussian Blur, High Pass or Frequency Separation filters (check low and high frequency layers)?
3. If you turn Metal acceleration off  in the app settings for  amoment just to check this does it fix the corruption for you?
4. What Affinity Photo version are you using - 2.0.4?
Thanks for your support.
 

1. MacBook Pro (16-inch, 2021), Apple M1 Max, 32 GB. macOS Monterey.

2. I do not see the problem using Gaussian Blur, High Pass or Frequency Separation filters.

3. The problem does not manifest when Metal Acceleration is disabled (as appears to also be the case with some of the other problems that have been reported. Metal Acceleration seems to be a thorn in the sides of the developers).

4. I am using Affinity Photo 2.0.4.

 

The streaking does not appear in every image being sharpened. It's most likely to appear in very large images. Changing the Radius and Factor settings will change the appearance of the streaking. Sometimes the streaking is more apparent with lower settings than when they are maxed out.

In addition to the astronomical image that I posted above (which I found on the Internet and is 8,441 by 14,575 pixels), I also tried sharpening some images from my digital camera which are 2848 by 4288 pixels. The streaking did not show up in most of these smaller images. However, if I resampled the images to a larger pixel dimension and then applied the unsharp mask to that, the streaking would then appear. 

Below, is an image where I did exactly that. The streaks may appear horizontal, vertical, or both, as in the images below (showing before and after clicking the Apply button) .

Hope this helps.

before_applying_unsharp_mask.jpg

after_applying_unsharp_mask.jpg

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