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
>> 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
>>> 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
>> for it).
>> Looks like someone has implemented it already:
>> 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
> +# '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.
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.
Gimp-user mailing list