Terms related to prepress platemaking (23)

The computer image of the pixel point of the image is defined using the digital description of the path and file.

Reverse copying process

Directly make a positive image from a positive image, or copy a negative image directly from a negative image.

Observation pool viewing booth

A stable ambient light source control area set up to view proofs or other printed matter.

White field

The highest hue point in the image, all the values ​​will appear grayer than the white point displayed by this threshold.

Densitometer

The instrument used to measure the density value is divided into transmission and reflection.