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Thread started 31 Jan 2005 (Monday) 04:50
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Urgent.. Interpolation Question please help !!!

 
tikkeltokkel
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Jan 31, 2005 04:50 |  #1

I have done a job for a client ... shot RAW converted to 8bit Tiff. Saved the images after adjustment with no compression . My client tells me he requires the images to be 2150mm X 850mm large. I do have an action that can enlarge to 52 inches in length ... but he needs bigger....
Please help , this is very urgent
Thank you
Mike




  
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Don ­ Ellis
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Jan 31, 2005 05:06 |  #2

I'm not an expert in this but since you said Urgent, I'll offer two bits of advice:

1. Go back and save in 16-bit TIF.
2. Upsize in Photoshop 10% at a time until you hit the size you need. In other words, do it in steps, don't jump all at once. 10% is a good value to use for this trial.

Good luck.

Don

P.S. Just to lend a little credence to my message, my non-expert opinion about 10% upsizing was gleaned from one of Scott Kelby's books.




  
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attu
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Jan 31, 2005 06:00 |  #3

Genuine fractals will do exactly what you need, I dont know if they have a demo version you could try...http://www.lizardtech.​com/ (external link)




  
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Scottes
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Jan 31, 2005 06:13 |  #4

Another option is Extensis SmartScale - also expensive like Genuine Fractals.

I did a number of upsizing tests in the past, trying different methods in PS and using SmartScale. My final discovery was that the best method depends on the image.

These three threads may give you some more info...

This one started the topic:
https://photography-on-the.net/forum/showthre​ad.php?t=37151
I ran some tests:
https://photography-on-the.net/forum/showthre​ad.php?t=37747
I got the prints back and gave opinion on them:
https://photography-on-the.net/forum/showthre​ad.php?t=37558


An important question is: What will be the viewing distance? If nobody will ever get closer than 10 feet then the upsizing method is much less important than if they can get within 2 feet.


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neil_r
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Jan 31, 2005 06:56 as a reply to  @ Scottes's post |  #5

Bit of a motherhood statement, but it helps to establish the clients requirement prior to doing the work


N


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steven
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Jan 31, 2005 09:04 |  #6

You can also do some upsizing in RAW conversion. In a conference recently it was said that the upsizeing there was better as it was working with more bits.


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Urgent.. Interpolation Question please help !!!
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