[argyllcms] Re: Question regarding gamut mapping for photographic images

  • From: "Greg Sullivan" <greg.sullivan@xxxxxxxxxxxx>
  • To: <argyllcms@xxxxxxxxxxxxx>
  • Date: Sun, 24 Jul 2005 04:50:50 +1000

2 hours 26 minutes when the perceptual tables are included.
Graeme - I will email the ti3 and commands.

-----Original Message-----
From: Greg Sullivan [mailto:greg.sullivan@xxxxxxxxxxxx] 
Sent: Saturday, 23 July 2005 21:56
To: 'argyllcms@xxxxxxxxxxxxx'
Subject: RE: [argyllcms] Re: Question regarding gamut mapping for
photographic images

Graeme,

>> Without the perceptual table creation, a "high" quality
>> profile is quite quick to create. (feels like a few minutes, haven't 
>> timed it) Adding the perceptual tables added between 1 and 2 *hours*, 
>> I think, including perceptual saturation tables.  FWIW, patches = 3000, 
>> and platform
>> is a 1GHz Pentium V, 1GB memory, and is running Windows XP. 

> Hmm. That's more than I would have imagined. I haven't noticed such a
> dramatic slowdown with the change you mention. Perhaps if you sent
> me the .ti3 and the options you used, I can take a look at it.

I was mistaken. Without the perceptual tables, a high quality profile
creation takes about 17 minutes. I haven't re-timed the operation 
when perceptual tables are included yet.

Thanks for all the other info.

Greg.


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