JPG Jaggies
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Old 03-30-2015   #1
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Default JPG Jaggies

I recently went on a 10 day cruise of the Caribbean knowing full well that I would take hundreds of images and opted to be lazy, BIG mistake as I opted for "fine JPG" instead of RAW. I wanted to use my old Nikon D1 because of the handling, speed etc. but realize that at 2.7 MP's you have to be accurate with exposure etc.
If I shoot in RAW and then convert to TIFF and print I get very acceptable prints at 8 X 10 and even 11 X 14 on some. However if I convert from the TIFF file to JPG invariably I get "JPG jaggies" , it seems that if there are any continuous lines or patterns I end up with Jaggies that I can't remove. I have tried different software but really can't get rid of the jaggies entirely. The files shot in JPG out of the camera show jaggies also.
Printing from the large Tiff files produce clear and clean prints especially at 8 X 10's.
I now have the camera set to RAW regardless even if it entails more work but at least acceptable, the jaggies are not acceptable.
Enlarge the ship and you will see the horizontal lines on the ship show jaggies.

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Old 03-30-2015   #2
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Default Re: JPG Jaggies

Did you try Topaz Lab's DeJPEG? Topaz DeJPEG - Substantially increase JPEG image quality
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Old 03-30-2015   #3
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Default Re: JPG Jaggies

Quote:
Originally Posted by heaterguy View Post
You bear me to it by 16 minutes!

Topaz DeJPEG is excellent.

Martin
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Old 03-30-2015   #4
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Default Re: JPG Jaggies

No I have not but you can bet I will use it.
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Old 05-22-2015   #5
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Default Re: JPG Jaggies

Did you try it?

Martin
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Old 05-24-2015   #6
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Default Re: JPG Jaggies

I tried everything I had to fix it including every trick I know in Photoshop...other than hand panting out the aliasing...No thanks!
Prints are forgiving to mild aliasing and an 8X10 or smaller might hide the issues.....Worth a try!


Aliasing is one more reason I got of my 1D bodies.
They only had so much pixel depth to make those curves...and had limited ability to read tonality transitions. New cameras have it as well...Its just that it is so fine you can't see it until 200-300% viewing.
The Jpeg doesn't help

Time for a new camera!
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Old 05-24-2015   #7
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Default Re: JPG Jaggies

Thanks for this. I wondered if DeJPEG worked for you - but apparently not.

Martin
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Old 02-16-2018   #8
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Default Re: JPG Jaggies

Yes I did the same mistakes in the past. But no software can create what is not. You could work a bit on photoshop but to much work for small rewards...
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Old 02-16-2018   #9
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Default Re: JPG Jaggies

Oh yea, I always shoot RAW with no compression. I like the full size files, they come out of camera something like 80mb. I don't compress anything. I want to be able to have as much information as possible. You can always compress later but you can't get information back once it's been tossed out.
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Old 02-17-2018   #10
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Default Re: JPG Jaggies

The best advice I can offer for this one is to print either 4X6 or 5X7 and display them in either a multi photo frame or in a photo album.

File sizes and the amount of data they can store are a lot like shirt sleeves. When I was just a yonker I asked my grandad why he always wore long sleeve shirts. His answer was: It's simple son, if I get warm I can always roll'em up and have short sleeves, but you can't roll them short sleeves on your t-shirt down to make long sleeves if it gets cold. Probably why I only wear long sleeve shirts these days and always shoot in Raw.


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