![]() On the basis of extensive visual experiments, an index ( M-Score) including the evaluation matrix is derived, which ranges from 0 (worst homogeneity) to 100 (perfect homogeneity). In the first method, homogeneously applied colour areas are recorded in spatial resolution using standard test chart readers and evaluated by image analysis. Two methods were developed which allow an objective evaluation of the respective image quality attribute with a high correlation to the visual results. The main focus of this project was the process-independent evaluation of inhomogeneities and the sharpness of detail. A plausibility test has been developed for print samples with pronounced directional dependence (anisotropy), specifically for non-paper-like substrates, to help determine the suitability of conventional colour measurement technology for capturing the colour appearance.
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