Re: basICColor_Testimages_2007
Re: basICColor_Testimages_2007
- Subject: Re: basICColor_Testimages_2007
- From: Roger Breton <email@hidden>
- Date: Sun, 25 May 2008 21:06:39 -0400
Louis,
Thank's for the note. Would you happen to have any comparative images on
your web site to show the advantages of your new Kgen algortihms? By any
chance?
> Roger,
>
> Just let you know that the PerfX profile on our web site (SWOP 2006
> C3) is no more representative of our new black generation used in
> version 5.
> This new black generation provides better GCR (if not the best on the
> market now) and also fix the Lab hue shift: now blue is blue no more
> complaint about it!
> This new black generation is also used in our new ICC DeviceLink
> profile creation, which do better color conversion for ink savings
> with GCR and low ink coverage, compared to GMG (real test proof on
> printing press to support this).
>
> Now you are up to date with our solutions.
>
> regards,
>
> Louis
>
> On May 21, 2008, at 10:04 PM, Roger Breton wrote:
>> Just want to express my gratitude to basICcolor for having put
>> together and
>> freely offering the above suite of color images for testing various
>> aspects
>> of output profiles.
>>
>> For those interested, the images are here, at the bottom of the web
>> page :
>>
>> http://www.colormanagement.org/en/download.html
>>
>> Thank's Jan-Peter for hosting the files, btw.
>>
>> I find particularely interesting how different profilers can seemingly
>> expand and contract the gamut of the same printing press when
>> converting
>> from Lab. I use SWOP2006_C3 profiles from Monaco, Kodak, PrintOpen,
>> ProfileMakerPro, TGLC and basICcolor (will study ColorProfilerSuite
>> from
>> Fuji later).
>>
>> I particularely like the "TestingSeparations_ChannelAllocation-
>> en.tif".
>>
>> Selecting different output profiles in GamutWarning, in Photoshop,
>> leads me
>> to believe that some profilers are able to extract more or less
>> colors out
>> of the same dataset. To see this for yourself, try toggling
>> GamutWarning in
>> the View menu and then activate ProofColors > Setup and select a
>> different
>> SWOP2006 profile to study in the Device to Simulate menu, leaving
>> the RI
>> constant (I like Perceptual).
>>
>> My question is this: are the differences in gamut we're seeing real?
>>
>> Roger Breton
Roger Breton
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