CHROMiX

device links

At 3:29 PM -0800 1/11/06, mikec wrote:

interesting…

well, a couple.

One - you could try building a device link with higher resolution in the tables. In my testing I found that the resolution of the tables in the link played a significant role in the accuracy of the link and its ability to mimic the conventional transform.

Two - you could check the link vs the conventional transform using ColorThink Pro.

  • Open a CMYK color file (there’s one in the stunt files folder) into the worksheet
  • apply the link to the file to generate the new CMYK
  • apply your destination profile to the end of this workflow to get correct Lab values for comparison. **
  • click ‘new’ in the workflow region and Pro will open the same CMYK file in a new workflow (same sheet) for comparison
  • open your source & destination profiles into this workflow
  • turn on delta-E and see if it shows any difference between them

**(Pro will use a SWOP profile to calculate the Lab values for the CMYK numbers as a default)

let us know what you find…

regards,

Steve

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Steve,

In the 3rd step, when you “apply your destination profile…to get correct Lab values…” The Lab values would be derived from the AtoB tag of the destination profile, right?

At 7:07 AM -0700 5/3/06, rich wrote:

correct.

Regards,

Steve


o Steve Upton CHROMiX www.chromix.com
o (hueman) 866.CHROMiX


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