David Gowers wrote:
> oops, this didn't get sent to the list.
> Also, I think the problems I'm encountering are because:
> A) YIQ tends to oversaturate too readily
> B) the image ICC profile is AFAIK undefined, and is, anyway, disregarded.
> C) L*a*b* colorspace is not being used. In my experience L*a*b*
> represents saturation accurately, as well as intensity If this plugin
> could use L*a*b* space (with GEGL's help?) for the application of
> colorization effect, it would be more useful.
>
> ---------- Forwarded message ----------
> From: David Gowers <[EMAIL PROTECTED]>
> Date: Oct 6, 2007 4:39 PM
> Subject: Re: [Gimp-user] Image resizing based upon image content
> To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
>
>
> On 10/6/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
>   
>>  Konstantin Svist <[EMAIL PROTECTED]> said on Oct 04, 2007 15:54 -0400 (in
>> part):
>>
>>  Kevin Cozens wrote:
>>
>>
>>  > Dotan Cohen wrote:
>>     
>>  >> There is an amazing video describing an image resizing algorithm that
>>     
>>>> removes (or adds) pixels based upon their importance to the subjecto
>>>> of the photo. Can this be implemented in The Gimp?
>>>>
>>>>         
>>  > Of course it can be implemented in GIMP. It just takes someone with the
>> time
>>     
>>> and ability to write the code for a plug-in that implements the algorithm.
>>>
>>>       
>>  I don't think the one you point to below is the same as Liquid Resizer
>>  (see http://schumaml.gmxhome.de/downloads/gimp/ and d/l
>> http://schumaml.gmxhome.de/downloads/gimp/gimp-lqr-plugin-0.1.3.zip
>> for it).
>>
>>
>>
>> Looks like someone has implemented it already:
>> http://registry.gimp.org/plugin?id=5479
>> http://zinx.xmms.org/colorize/
>>
>> Trying to compile the supporting libraries.. it's a PITA, unfortunately.
>>     
> On linux (ubuntu 7.10), at least, it's simple. Install
> 'libsuitesparse' and the matching 'dev' package, and apply the
> following patch to the Makefile:
>
>
>
> --- Makefile.old        2007-10-01 05:54:38.000000000 +0930
> +++ Makefile    2007-10-06 15:48:22.000000000 +0930
> @@ -6,7 +6,11 @@
>  GIMP_CFLAGS=`$(GIMPTOOL) --cflags`
>
>  UMFPACK_CFLAGS=-I/usr/include/suitesparse -I/usr/include/umfpack
> -UMFPACK_LDFLAGS=-lumfpack -lamd -lcholmod -lm
> +# FIXED -- works on Ubuntu 7.10;
> +# Only requirement is libsuitesparse package (make sure it's installed 
> cleanly;
> +#    'umfpack' package conflicts with it. I removed umfpack and
> reinstalled libsuitesparse
> +#    + libsuitesparse-dev.)
> +UMFPACK_LDFLAGS=-lumfpack -lamd -lcholmod -lcolamd -lblas -llapack -lm
>
>  CFLAGS=-g -Wall -O3 $(GIMP_CFLAGS) $(UMFPACK_CFLAGS)
>  LDFLAGS=$(GIMP_LDFLAGS) $(UMFPACK_LDFLAGS)
>
>
>
>
> Using this, I currently have the colorizer plugin installed :)
> My experiments have not turned out as well as those shown on the page, though.
>   

Nice!
But on Fedora there's only ufsparse library (as of now, anyway) and 
SuiteSparse has to be installed by hand :(


As for email not making it to the list.. I think it's because whoever 
maintains this list forgot to set reply-to header. To work around this, 
just use "Reply All" and (optionally) delete the user's email, leaving 
the list email only.



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