Hi Everyone !
It has been a long time since my latest post concerning the G'MIC project, so
I would like here to give some informations on the advances of this project. I
don't want to bother you with technical details, I just would like to show an
overall view of the improvements.
First, just a word to introduce G'MIC : it is basically an open-source
framework to do generic image processing. It includes amongst other things a
plug-in for the GIMP. This plug-in offers a growing list of various filters
that can be applied on your images (about 150 for now), which are largely
customizable. There are filters for artistic purposes, but also for image
denoising and sharpening, color correction and so on...
The G'MIC plug-in web-page can be found at :
http://gmic.sourceforge.net/gimp.shtml
There have been a lot of interesting improvement lately, and I released the
1.3.3.3 version of the G'MIC package yesterday. For the plug-in users, here
are the main advantages of the new version(compared to the latest one I
presented here, i.e. the 1.3.2.9) :
- A high gain in computation speed. There have been important optimizations
in the code, which lead to a visible speed-up of G'MIC-based computations. In
previous versions, one had often to wait for seconds before the preview is
updated when one changes a filter
parameter for instance. Now, this has been really optimized at a point where
the preview is updated in less than a second for most of thefilters. This is
really really appreciable in terms of user comfort.
- A 'smarter' preview : Each G'MIC filter is now able to set the most
adapted zoom factor for the preview image, so that it better corresponds to
the final filtered result. For some filters, the default zoom factor would
correspond to the entire image (for instance, if you do global deformations on
images), for other, the best zoom factor would correspond to a 1:1 pixel
correspondance between the preview and the image (all the filters that do
local processing, such as the smoothing filters for instance), and finally,
others do not require a default zoom factor for the preview (the ones mixing
color channels for instance). All this is now handled properly by the G'MIC
plug-in. It is particularly interesting for denoising filters, where you can
now adjust your parameters once (by looking at
your preview window), and obtain the same-looking image when you finally
apply the filter. This is particularly true since the preview computation is
now faster than before. To me, that is one reason to abandon our previous
GREYCstoration denoising filter, since it is not maintained anymore and does
not have this essential feature.
- I've opened a G'MIC group on the Flickr web site, to discuss about the
G'MIC evolution. That's interesting since people can post G'MIC-processed
images in the group image pool, and they automatically appear on the G'MIC
gallery which shows all these contributions. It gives an idea of all the
possible uses of this plug-in. The Flickr gallery page for the G'MIC group is
located at :
http://www.flickr.com/groups/gmic/pool/show/
If you have a Flickr account, do not hesitate to join the group to discuss or
suggest filters for the G'MIC plug-in (or to post images in the group pool).
- Finally, lot of debugging and code improvements have been done these
last months, so the whole thing becomes more and more stable. Also, some new
filters have been included.
Well that's it. I really think that all these improvements are important
evolutions of the G'MIC plug-in, for a better user experience.
Let me know if you find it useful (or totally useless)
Regards,
David.
--
David Tschumperle (via www.gimpusers.com)
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