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Glossary of CG, lighting and cinematography terms
Achromatic
White, black or gray colors that contain no hue.
Action safe area
An area that occupies the central 90% of a broadcast image, which all of a shot’s action should be located within in order to avoid it being cropped when viewed on a television due to overscanning.
Additive color
The color mixing system that works by blending three primary colors.
Aliasing
Aliasing is the unwanted staircase effect at the edge of a line or area of color when it’s displayed by an array of discrete pixels. This is cured using a process called antialiasing.
Alpha channel
An 8-bit channel in a 32-bit color image which stores transparency data.
Ambient light
Light that is present in the environment. It has ...
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