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Profile Maker 5.0
Monday June 28, 2004
by Bruce Fraser

Bruce Fraser gives us his expert critique of GretagMacbeth's professional color management suite - ProfileMaker 5.0.

Getting it Right: Correcting Skin Tones with Hue/Saturation
Wednesday June 9, 2004
by Jon Canfield

Jon Canfield shows us how to achieve accurate skin tones in Photoshop using Hue and Sat.

Book Review: Color Confidence by Tim Grey
Monday May 24, 2004
by IR Staff

IR Staff reviews Tim Grey's new book Color Confidence. Included is an excerpt from the book, Chapter 3, which deals with choosing and calibrating Displays.

Creating Panoramas
Monday May 10, 2004
by Ellen Anon

Ellen Anon illustrates the creation of Panoramas in Photoshop.

Working with Pressure Sensitive Tablets
Monday May 3, 2004
by Katrin Eismann

Katrin Eismann outlines the use of pressure sensitive tablets in image processing.

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Color Management/WorkFlow > Workflow > Jpg compression

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AuthorSubject: Jpg compression   [Go to Bottom of Page]
Ken Frazer
Posted on Fri Oct 17, 2003 1:26 PM

I have a scenario I would like to get some advice on. My lab insists it wants Jpg files for all of their printing, which is fine up to 11x14 as we rez them up to 320 ppi before sending them. I am using camera file sizes in the 18 meg range to begin with - if I order a 20x30 print, the lab wants me to crop the image proportionately, and let the RIP at their lab upsize it to 320 ppi. Would their RIP not do a better job at upsizing if I sent them a Tif instead of a Jpg on large sizes? I am thinking if I have to send a Jpg, it might be better to upsize it on my end to the correct size so I can see what unsharp masking it needs at that size, then save it as a Jpg file for them? Or should I simply guess at unsharp on the file that is un-interpolated and let them take it up from there?


... this thread contains expert advice from Andrew Rodney and Katrin Eismann.




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