Vision Basics - Mode Resolution Factors Vision Basics - Mode Binary vs. Greyscale The pixel value that a camera detects is a shade of grey that corresponds to the intensity of the light reflected from the corresponding area in the camera's field of view. The ability to ana- lyze an image based on intensity values is referred to as greyscale vision. The following figure ACEUser's Guide, 3.6.x, 18316-000 Rev A Page 305