VISU profiling variants

VISU profiling variants

This document explains the different profile variances or color mapping for VISU as well as all advanced tools to adjust profiles to suit customer requirements. e.g. Chroma boosting, purify colors,…

Printer Media Mode variants

The PMM variants offer predefined gamut mapping and black generation settings.  They work differently depending on the printer/media combination. Below is a list of the available variants.

1. Default VISU variants

VISU ICC  based printer profiles have following default variants available in Calibrator:


Perceptual

Perceptual conversion is the best color reproduction on a specific media with a specific printer, i.e. stand alone.   It is a full compression of all colors with a neutral grey. It is a full normalization color space (standard) conversion to the printer color space. Where the normalisation space is bigger than the printer gamut it will be compressed (preserving detail) and where it is smaller it will be expanded.

Visual Match

Visual Match conversion is best used in commercial work when matching color across various media and different machines and matching to Color proofs.  It is absolute colorimetric in the middle (up to about 80%) and becoming more perceptual – starts to compress colors –  when moving towards the outside of the gamut.

Visual Match Plus


Visual Match Plus is Visual Match with an ink saving.  In the custom settings you'll find that 
- EcoSave is ON with 100% saving of all values within a delta E of 1.5.
This variant has therefore a bigger ink saving than Visual Match, but less then EcoSave. 
​




Colorimetric

Paper relative colorimetric conversion will clip all out of gamut colors and match them to the closest point on the gamut, without any color compression.  All colors within the gamut remain untouched and color accurate.  There is no gradation on out of gamut colors.  This is a conversion from the normalization color space (standard) to the printer color space.

Proofing

Proofing is an absolute conversion based on the maximum color gamut of the machine.

2. Custom VISU variants

VISU profiles allow for more advanced conversions and profile amendments:

  • Further rendering intents
  • Black generation options
  • Profile size
  • Color boosting
  • Viewing conditions
  • Optical Brightener compensation
  • Purify primary and secondary colors


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