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DPChallenge Forums >> Tips, Tricks, and Q&A >> Dust & Scratches?
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Showing posts 1 - 6 of 6, descending (reverse)
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 09/22/2002 03:57:51 PM · #1
Just FYI, I did contact one of the admins a while ago and got a ruling that Unsharp Mask was OK.
 09/22/2002 12:33:14 PM · #2
Originally posted by GordonMcGregor:
Problem is GE, based on your view of the rules, things like
unsharp mask aren't allowed either - I hope that that is wrong!


Me too, since I use almost nothing but Curves and Unsharp Mask!
I think Drew sent me an email once saying that Curves were OK, and the use of Unsharp Mask has been mentioned enough in the forums that I think the statute of limitations has expired for objecting...

* This message has been edited by the author on 9/22/2002 12:31:48 PM.
 09/22/2002 12:22:59 PM · #3
Originally posted by GeneralE:
Originally posted by ClubJuggle:
[i]Is this permissible? It seems that Dust and Scratches is to Despeckle as Unsharp Mask is to sharpen. That it, is performs the same function except with user-set parameters.

Since we allow Sharpen to extend to Unsharp Mask I was wondering if that we allow Despeckle to extend to Dust & Scratches.

I need to know today, of possible, as it affects my submission.

ADDENDUM: This is the only way I can clean up noise and hot pixels on an ISO 400, long exposure shot. My camera seems to have a LOT of hot pixels and tweaking the setting slightly clears it right up.

Thanks,
-Terry

This won't help, as I'd vote yes based on logic, but no based on the rules...if your analogy above is correct, then D&S should certainly be included in the list of permissible filters, but I think such a change needs to be announced at the beginning of a challenge so everyone can take advantage equally. Although...it seems as though I was told curves were an acceptable adjustment, even though the list has never been amended.

You might use the "Contact" link and get a ruling from the admins directly instead of sparking an early debate on the upcoming rules changes...[/i]

Problem is GE, based on your view of the rules, things like
unsharp mask aren't allowed either - I hope that that is wrong!
 09/22/2002 11:51:56 AM · #4
Originally posted by ClubJuggle:
Is this permissible? It seems that Dust and Scratches is to Despeckle as Unsharp Mask is to sharpen. That it, is performs the same function except with user-set parameters.

Since we allow Sharpen to extend to Unsharp Mask I was wondering if that we allow Despeckle to extend to Dust & Scratches.

I need to know today, of possible, as it affects my submission.

ADDENDUM: This is the only way I can clean up noise and hot pixels on an ISO 400, long exposure shot. My camera seems to have a LOT of hot pixels and tweaking the setting slightly clears it right up.

Thanks,
-Terry

This won't help, as I'd vote yes based on logic, but no based on the rules...if your analogy above is correct, then D&S should certainly be included in the list of permissible filters, but I think such a change needs to be announced at the beginning of a challenge so everyone can take advantage equally. Although...it seems as though I was told curves were an acceptable adjustment, even though the list has never been amended.

You might use the "Contact" link and get a ruling from the admins directly instead of sparking an early debate on the upcoming rules changes...
 09/22/2002 11:48:46 AM · #5
Originally posted by ClubJuggle:
Is this permissible? It seems that Dust and Scratches is to Despeckle as Unsharp Mask is to sharpen. That it, is performs the same function except with user-set parameters.

Since we allow Sharpen to extend to Unsharp Mask I was wondering if that we allow Despeckle to extend to Dust & Scratches.

I need to know today, of possible, as it affects my submission.

ADDENDUM: This is the only way I can clean up noise and hot pixels on an ISO 400, long exposure shot. My camera seems to have a LOT of hot pixels and tweaking the setting slightly clears it right up.

Thanks,
-Terry

I would personally say yes, as long as you are applying it to the whole
image, because as you mentioned it is basically the same as despeckle,
but with a bit more control. I'm sure most people actually use
Unsharp Mask rather than sharpen (at least I'd hope they do). Even
Adobe recommend not using the 'sharpen' filter...

But obviously, I don't have the last say on whether it is allowed or not.
Hopefully some other Moderators will pipe up too.
 09/22/2002 10:10:01 AM · #6
Is this permissible? It seems that Dust and Scratches is to Despeckle as Unsharp Mask is to sharpen. That it, is performs the same function except with user-set parameters.

Since we allow Sharpen to extend to Unsharp Mask I was wondering if that we allow Despeckle to extend to Dust & Scratches.

I need to know today, of possible, as it affects my submission.

ADDENDUM: This is the only way I can clean up noise and hot pixels on an ISO 400, long exposure shot. My camera seems to have a LOT of hot pixels and tweaking the setting slightly clears it right up.

Thanks,
-Terry


* This message has been edited by the author on 9/22/2002 10:32:38 AM.
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