DFS Sharpening vs Sharpen in 'Processing Section'

Maarten van Goga

Newbie

Posts: 15

DFS Sharpening vs Sharpen in 'Processing Section'

« on: November 11, 2022, 09:19:51 AM »

Hi,
Can someone explain the different effects of the two sharpen tools? I've read the guide, but can't find the answer.

with regards,
Martin

the Netherlands.


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Fred A

Forum Superhero

Posts: 5644

Re: DFS Sharpening vs Sharpen in 'Processing Section'

« Reply #1 on: November 11, 2022, 09:59:59 AM »

Quote

Hi,
Can someone explain the different effects of the two sharpen tools? I've read the guide, but can't find the answer.

with regards,
Martin

the Netherlands.

Hi Martin,
There is a RED "V" for video located in the lower right corner of that screen.
At about the 10 minute mark, there will be a quick explanation that will help. I will try to find another video of that too.

Fred


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Fred A

Forum Superhero

Posts: 5644

Re: DFS Sharpening vs Sharpen in 'Processing Section'

« Reply #2 on: November 11, 2022, 10:16:49 AM »

Martin,
In the meantime, have a look at 32A through 32E in the Qimage Challenges.

https://ddisoftware.com/tech/qimage-ultimate-challenges/challenge-32-tips-on-dfs/
fred


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Fred A

Forum Superhero

Posts: 5644

Re: DFS Sharpening vs Sharpen in 'Processing Section'

« Reply #3 on: November 11, 2022, 10:22:10 AM »

Quote

Can someone explain the different effects of the two sharpen tools? I've read the guide, but can't find the answer.

I found another video

https://we.tl/t-TQX6dBlQbp

I can answer most easy questions. Mike will be in his office later for the hard questions.
Fred


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Maarten van Goga

Newbie

Posts: 15

Re: DFS Sharpening vs Sharpen in 'Processing Section'

« Reply #4 on: November 16, 2022, 10:23:17 AM »

Quote from: Fred A on November 11, 2022, 10:22:10 AM

Quote

Can someone explain the different effects of the two sharpen tools? I've read the guide, but can't find the answer.

I found another video

https://we.tl/t-TQX6dBlQbp

I can answer most easy questions. Mike will be in his office later for the hard questions.
Fred

Provide link opens op: https://wetransfer.com/downloads/f1b64849e92fbf515b4c5c0299fe3ea820221111101829/adede3
??


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Maarten van Goga

Newbie

Posts: 15

Re: DFS Sharpening vs Sharpen in 'Processing Section'

« Reply #5 on: November 16, 2022, 10:31:27 AM »

Quote from: Fred A on November 11, 2022, 09:59:59 AM

Quote

Hi,
Can someone explain the different effects of the two sharpen tools? I've read the guide, but can't find the answer.

with regards,
Martin

the Netherlands.

I know where to find the two 'sharpen' tools. But I asked what the differences are.
Are you able to provide me, in general, the default/recommended settings for DFS and Sharpening in the Printers and Settings -> Processing section.


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Terry-M

The Honourable Metric Mann
Forum Superhero

Posts: 3247

Re: DFS Sharpening vs Sharpen in 'Processing Section'

« Reply #6 on: November 16, 2022, 11:21:14 AM »

Quote

But I asked what the differences are.

Hi Martin,
This is a video that Fred made in 2013! He must have forgotten!
https://www.youtube.com/watch?v=AiVoXcB1uzk&list=PL1sunI5vT1aQhc_JOJiLufvAERChdViUU&index=14
It explains Deep Focus Sharpening (DFS) and why it's special and different from USM (unsharp mask).
Basically DFS is a sharpening Algorithm that does not create halos on edges, unlike USM which all other editors use.
I recommend you always use DFS.
Terry


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