open-source tools for .raw processingA technical journal entry...
Taking pictures in a raw format gives many andvantages during the image processing workflow, since your camera does not compress the the file too much (meaning loss of information). However, software for the development of the images (e.g. Rawstudio or Lightroom) can be expensive, are proprietary and are not available for Unix OS like debian, ubuntu and the likes.
So here are two open source raw converters which I use for the processing of my pictures.
- ufraw: http://ufraw.sourceforge.net/index.html
This comes as a plugin for GIMP and simply pops up when you open a .raw file with the GIMP. It gives you all necessary controls over colour and base curves of the image, denoising, white balance, channel mixer etc. However sharpening, or tone mapping, or HDR operations need to be done in Gimp or qtpfsgui.
- darktable: http://www.darktable.org/
This one is a more complete package for image processing since it contains all of the above mentioned (and a lot more)
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