1. a photographic or digital technique that reduces the number of tones or colors in an image to create a flat, poster-like appearance with distinct blocks of solid color.
Usage: commonly used in photography, digital art, and image editing; can be applied intentionally for artistic effect or occur unintentionally due to image compression

Examples

• The photographer used posterization to give the portrait a bold, graphic quality.
• Posterization in digital photography can result from aggressive compression of image files.
• The artist applied posterization to the landscape to create a modern, stylized effect.
• Excessive posterization made the sunset look unnatural with visible color bands.
• Many filters in photo editing apps include a posterization option for creative effects.