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Quality And Resizing Jaggies  
User currently offlineDC10Tim From United Kingdom, joined Jan 2005, 1406 posts, RR: 15
Posted (7 years 11 months 1 week 4 days 11 hours ago) and read 2232 times:

Hi everyone,

Earlier I uploaded the shot below, but now I am having second thoughts about it, so I'd like some other photographers thoughts. I can see jaggies all over the place, which are a result of downsizing and cannot be got rid of by erasing. Has anyone else had this to any extent and how does it affect an upload re screening? It just seems certain angles get this effect.

Does this make the overall quality unacceptable? I thought this shot would make a change from the more standard side-on views from this location.

http://www.airliners.net/addphotos/big/ready/gthoi1805dsa1024t.jpg

Regards,

Tim.


Obviously missing something....
6 replies: All unread, jump to last
 
User currently offlineInterpaul From Germany, joined Jul 2004, 409 posts, RR: 3
Reply 1, posted (7 years 11 months 1 week 4 days 11 hours ago) and read 2227 times:

Quoting DC10Tim (Thread starter):
I can see jaggies all over the place

I don't see any jaggies.  Sad

Jan


User currently offlineSulman From United States of America, joined Mar 2004, 2035 posts, RR: 33
Reply 2, posted (7 years 11 months 1 week 4 days 11 hours ago) and read 2208 times:

Tim,

I don't think there's a jaggie issue, however it appears slightly soft / blurred to me, and sharpening will introduce the usual edge errors (nacelles and stabilisers are the usual culprits). Interestingly this is a characteristic of a lot of head-on shots I take at the long-end of the lens - but I don't have steady hands!


James



It takes a big man to admit they are wrong, and I am not a big man.
User currently offlineSinkrate From Australia, joined Jan 2005, 336 posts, RR: 1
Reply 3, posted (7 years 11 months 1 week 4 days 11 hours ago) and read 2202 times:

Quoting Interpaul (Reply 1):

I don't see any jaggies

Me Neither! LOL Nice picture though.

Michael



Im not a photographer... But I did Stay at a Holiday Inn Express Last Night
User currently offlineDC10Tim From United Kingdom, joined Jan 2005, 1406 posts, RR: 15
Reply 4, posted (7 years 11 months 1 week 4 days 10 hours ago) and read 2193 times:

Hmmmmmmmm. Well thanks for your input guys. The original doesn't look particularly soft. I can see jaggies though in places on the edit, most of all on the stabilisers and lower part of the tail. Also to a lesser extent on the bottom of the fuselage. All these areas have had the eraser tool at 100%, but the jaggies are still there. Does it matter?

Regards,

Tim.



Obviously missing something....
User currently offlineNorfolkjohn From United Kingdom, joined Jan 2005, 251 posts, RR: 8
Reply 5, posted (7 years 11 months 1 week 4 days 10 hours ago) and read 2190 times:

Tim,

I agree with the others that the amount of jaggies is negligible. I can just about fond some on the horizontal stabilizer but I would not have thought enough to cause a problem. I also tend to agree the shot is softish. I tried giving it a pass of USM at 500 / 0.2 / 0 and I think it looked better.

From your original post I'm not sure if you were saying the jaggies appeared due to resizing but if this is the case (and you are not already doing so) try resizing in width increments of about 400 or 500 px.

Good luck

John



One thorn of experience is worth a whole wilderness of warning.
User currently offlineDC10Tim From United Kingdom, joined Jan 2005, 1406 posts, RR: 15
Reply 6, posted (7 years 11 months 1 week 4 days 9 hours ago) and read 2186 times:

Quoting Norfolkjohn (Reply 5):
I tried giving it a pass of USM at 500 / 0.2 / 0 and I think it looked better.

Will have another try John. It's just had one pass with these settings at the min.

Quoting Norfolkjohn (Reply 5):
From your original post I'm not sure if you were saying the jaggies appeared due to resizing but if this is the case (and you are not already doing so) try resizing in width increments of about 400 or 500 px.

Will give this a try too. I already resize in two steps though (to 2048 and then 1024 in this case) to side-step the wiggly line problem I was having last year.

Regards,

Tim.



Obviously missing something....
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