[Digikam-users] How do you generate good quality jpegs from raws quickly, automatically ?

Adam photos at papettys.com
Wed Dec 23 19:25:47 GMT 2009

I think part of the problem is your are doing it en masse. Sometimes that is fine and you tweak the settings for 1 shot and it will be the same for all of them. But a lot of the time what worked for one picture does not work for another. So I do not think there is a magic bullet for all your raws, other than ripping the jpg from the RAW file in bulk, then the ones your really like go back and work on the raw file. 

You have 2 canon cameras. The DPP application in windows does a great job of making jpg's from the raw files. Unfortunately I have not been able to get DPP to work in Linux (at least the upgrading to a current version part) 

----- Original Message ----
> From: Linuxguy123 <linuxguy123 at gmail.com>
> To: digikam-users at kde.org
> Sent: Wed, December 23, 2009 2:13:27 PM
> Subject: [Digikam-users] How do you generate good quality jpegs from raws quickly, automatically ?
> This is a follow up to my "How does digiKam do raw conversions for the
> slide shows ?" post from earlier today.
> So... I shot 600 raws at a wedding last weekend.  In digiKam the
> previews of these files look awesome.  Apparently they come from a jpg
> embedded in the raw file. 
> I need to convert the raws to jpegs.   I also have another 2,000 or so
> raws to convert.
> The problem with converting raws to jpegs automatically is that they
> almost never look as good as the preview images.  Please don't tell me
> to shoot jpgs alone because when I spend a lot of time on an image I can
> get it looking a lot better than than the preview image, especially if
> the white balance is out and I happened to shoot a grey card image from
> which to adjust the white balance.  This happens frequently when I shoot
> in mixed lighting situations, which happens from time to time.
> If I were a lazy man I would just extract the jpgs from the raw files.
> But that seems like a waste given that we have all these fancy raw
> converters and all the glorious raw pixel data sitting in the raw file.
> I've used a number of tools (ufraw, Raw Studio and the digiKam tools)
> and they usually come out looking pretty horid.  I can't figure out why.
> The white balance is usually way out, the saturation usually needs
> adjustment and sometimes even the exposure is off.  I can fix all this
> stuff, but it takes a lot of TIME.  I'm looking for something that
> doesn't take a lot of hand tweaking. 
> This raw conversion issue is a big problem for me.  Its the main
> bottleneck in my whole photography workflow, now that I have digiKam
> anyway.  Before everything was a bottleneck.  Now only raw conversion
> is.  digiKam rocks !
> FWIW, I have raw images from a D50, 40D and 450D.
> So how do you convert your raws to jpgs automatically and get a good
> result, ie something close to the preview jpg ?  I would prefer to use
> the tools in digiKam but will consider using outside tools and
> eventually write a plugin to use them in digiKam.
> Thanks
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