Higher scores are better. Higher scores are better. Vertical Nonlinearity Measures the uniformity of the size of rendered objects in various regions of the display. Lower scores are better. Measures a monitor's ability to display accurately at a high resolution.
Higher scores are better.
White-Level Shift Tests whether white and black levels are affected by the image on the screen. Color Registration Error Measures a scanner's ability to produce clean edges between colors. Lower scores are better. Lower scores are better. Noise Measures aberrant noise introduced by the internal circuitry, as well as flaws in and contamination of the optical system.