python plugin
On Monday 16 January 2006 12:10 pm, Emanuele Zattin wrote:
Hello everybody,
my name is Emanuele Zattin and i'm developing a plug-in
implementing a texture synthesis algorithm described in a paper
("Texture Synthesis by Non-parametric sampling" by Efros and
Leung).
Here attached you can see my actual implementation which works on
grayscale images. It is anyway VERY slow, which was anyway
predictable judging from the complexity of the algorithm.
I was wondering if translating it to C would make it much faster or
if there are some more speedup techniques i'm just missing.
Thank you very much!!
Emanuele Zattin
Hi Emanuele,
The default way for accessing pixels from python plug-ins is slow.
I started researching a faster way a while back, but halted. i think
it is important.
I don't have teh time now to check if this is the problem in your
cscrpit, but from my previous experience, it is rather likely.
I will take a look at it later, and suggest another way to manipulate
the pixels if possible (or if not possible, seeing what can be done
on the gimp-python bindings themselves).
Either way, since you already use Numeric, going to C won't be
necessary (unless I fail to do all of the above).
Regards,
JS
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