GMG Releases Upgrade To OpenColor Profiling Solution


Version 2.2 incorporates automatic, spectral data-based optimisation of measurement data. As a result, creating profiles for packaging printing becomes simpler and more reliable.

GMG OpenColor creates colour-accurate proofing and separation profiles based on characterisation of the planned print production. The user measures test charts or colour patches in order to obtain data needed for characterisation. This data is subsequently combined with other parameters from the printing process to create a dynamic profile. Naturally, the data obtained from the calibration process has to be optimised. Erroneous test charts, poor substrate textures, and dust can all cause an excessive degree of distortion. Deviations can also arise from the measuring device itself.

Previously, users of GMG OpenColor were reliant on third-party software for optimising the measurement data or had to subsequently correct profiles themselves in a manual process. With Version 2.2, however, life becomes easier. Thanks to the now automatic optimisation of the measurement data, users can create a colour-accurate profile in only a few steps – while achieving market-leading levels of quality.

GMG product manager Peter Schöffler explained, ‘The optimisation is based directly on the measured spectral data, which is then processed via our spectral model.’ According to Schöffler, this ensures that the measurement data is preserved and not distorted by conversion into Lab. Ultimately, he added, this leads to highly reliable profiles at market-leading quality levels. Within the software, the user can configure and analyse the level of optimisation required.

CxF/X-4 support according ISO 17972-4 makes the new GMG OpenColor version complete: now, spectral values along with dot gain steps can be communicated to other parties involved in a print production.

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