Continuous improvements in colour management

Paul Lindström's picture
Paul Lindström

We are about to watch a big step forward in advanced colour management with the coming introduction of ICC Version 5, also called iccMAX. At Drupa we had the opportunities to ask some of the software vendors about their plans to introduce this in their solutions, but there were a whole range of other news at Drupa related to colour management.

One of the driving forces of the development of iccMAX is Max Derhak at Onyx. We had the opportunity to speak with him before Drupa, and will come back to a more in-depth report of this interview in a separate article, but here is a brief summary of what he sees as the main strengths of ICC v5. First of all the default viewing condition is no longer D50 as with ICC v4, but freely selectable dependant on use case.

Another big difference is that colour computations will mainly be done from spectral data, and not “processed” colorimetric data using CIELab or CIEXYZ. This opens up for more accurate colour conversion as well as making it easier to calculate influencing factors like metamerism. Contrary to what has been reported before, Derhak expects the new CMS systems developed for ICC v5 to be backward compatible with ICC v4, so many tasks that suit existing v4 workflows can be executed by a version 5-enabled CMS and CMM (Colour Matching Mudule).

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