Dithering

ディザリング / 1960s– / 技法 / 数字图像技法

Dithering suggests unavailable intermediate colors by spatially mixing pixels from a limited palette; ordered matrices or error diffusion make both tone and a distinctive granular surface.

Two or more pixel colors mixed as checks or grain / High-frequency dots spreading around tonal boundaries / Apparent gradients made from a fixed palette / A pattern up close that becomes an intermediate color at normal distance

Dithering — AI 生成的诠释图像 — AI 生成的诠释图像（并非参考作品）

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适用场景: Preserving photographic tone on low-color displays and e-paper；Using the grain of early computer images as deliberate digital material
字体: Use bitmap or simple sans type that remains intact at low resolution.
版面: Build broad tonal fields but control diffusion around contours and copy.
材料: Fix the palette first, then pass quantization error to neighboring pixels or place dots with a threshold matrix.
注意: Adding monochrome noise is not dithering. The limited colors must approximate the source value.
延伸阅读: Floyd-Steinberg error diffusion / Ordered dithering / Limited color displays

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