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Do you use the Convert to Linear Image setting
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Topic: Do you use the Convert to Linear Image setting (Read 2737 times)
danaltick
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Posts: 1616
Do you use the Convert to Linear Image setting
«
on:
January 08, 2006, 09:11:21 PM »
Peter,
Do you use the Convert to Linear Image setting? From the descripton it sounds as though it makes the image data camera-independent; which is what you would want for longevity...right?
Dan
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Last Edit: January 08, 2006, 09:17:12 PM by danaltick
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WindowsXP, ImageIngester Pro, RapidFixer, IVMP 3, ACR4, Photoshop CS4, Controlled Keyword Catalog, Canon EOS50D
danaltick
Hero Member
Posts: 1616
Re: Do you use the Convert to Linear Image setting
«
Reply #1 on:
January 08, 2006, 09:16:28 PM »
Actually I see now in the book you say it defeats the purpose. Please explain. Thanks.
Dan
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WindowsXP, ImageIngester Pro, RapidFixer, IVMP 3, ACR4, Photoshop CS4, Controlled Keyword Catalog, Canon EOS50D
rfreschner
Full Member
Posts: 173
Re: Do you use the Convert to Linear Image setting
«
Reply #2 on:
January 09, 2006, 04:47:35 AM »
One reason is that choosing this option causes the DNG converter to save a demosaiced version of the image in the DNG file. Not only is the linear image much larger than the mosaic format one, it also negates any the possiblility of taking advantage of future improvements in the demosaicing process.
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Rick
Win XP Pro, iView MP3, Canon 20D, DNG
danaltick
Hero Member
Posts: 1616
Re: Do you use the Convert to Linear Image setting
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Reply #3 on:
January 09, 2006, 10:12:25 AM »
Thanks Rick. Looks like I need to educate myself a little more on demosaicing....not a term I'm familiar with, but I see Adobe has a whitepaper on the DNG format that discusses it somewhat. I'm also getting ready to start Bruce Fraser's new book, "Real World Camera Raw". I imagine he will probably discuss it as well.
Dan
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WindowsXP, ImageIngester Pro, RapidFixer, IVMP 3, ACR4, Photoshop CS4, Controlled Keyword Catalog, Canon EOS50D
rfreschner
Full Member
Posts: 173
Re: Do you use the Convert to Linear Image setting
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Reply #4 on:
January 09, 2006, 10:22:41 AM »
Bruce's book goes into great detail on everything RAW - highly recommended!!
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Rick
Win XP Pro, iView MP3, Canon 20D, DNG
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