On Fri, 2012-04-13 at 16:50 -0700, Ronald F. Guilmette wrote:

It appears to me that virtually every photograph I have ever manipulated using GIMP has looked better after applying GIMP's Colors->Levels->Auto to it.

They often do, especially with lower-end or older cameras.

They may look even better if you click the auto button in levels" then do "edit as curves" and move th curves back slightly, as levels/auto clips the highlights and shadows very slightly.

Now, I have a batch of about 80+ scans of old family photos that I would like to apply this process to en mass.

there's a gimp batch processor in the gimp registry on gimp.org.

You could also try imagemagick, or (at least on Linux) maybe darktable can do it, if it's packaged for your distribution.

Liam

It appears to me that virtually every photograph I have ever manipulated
using GIMP has looked better after applying GIMP's Colors->Levels->Auto to it.

Now, I have a batch of about 80+ scans of old family photos that I would
like to apply this process to en mass.

If I wanted to script this, you know, so as to just apply Colors->Levels->Auto
to each one of about 80 .JPG files, in turn, yeilding one new output file
corresponding to each of the input files, but with levels adjusted, how would

You may want to look at David's Batch processor, http://members.ozemail.com.au/~hodsond/dbp.html

-- Owen