V2EX posterization

Posterization

Definition 定义

(图像处理/摄影)“色调分层、色阶断裂”:把原本连续的色彩或明暗渐变压缩成较少的色阶,导致画面出现明显的色块边界与分层效果。常见于滤镜效果、低色深处理或强烈的后期调整。(也可指一种刻意的艺术风格。)

Pronunciation 发音

/pstrzen/

Examples 例句

The photo looks strange because of posterization.
这张照片因为出现了色调分层(色阶断裂)而看起来很奇怪。

By reducing the image to a few tonal levels, the designer used posterization to create a bold, graphic look.
通过把图像压缩到少数几个明暗层级,设计师利用色调分层营造出强烈、平面化的视觉风格。

Etymology 词源

来自 poster(海报)+ -ize(使成为/使…化)+ -ation(名词后缀)。最初与“像海报印刷那样的简化色块效果”相关:海报常用较少的颜色与清晰的分区来呈现强烈视觉冲击,因此“posterization”就用来指把连续色调变成少量色块层次的处理或效果。

Related Words 相关词

Literary Works 文学作品

  • Real World Image Sharpening with Adobe Photoshop, Camera Raw, and Lightroom(Bruce Fraser & Jeff Schewe)在讨论色调与图像处理伪影时常提到“posterization”。
  • The Adobe Photoshop Book for Digital Photographers(Scott Kelby)讲解后期调整与滤镜效果时会涉及“posterization/Posterize”。
  • Digital Image Processing(Rafael C. Gonzalez & Richard E. Woods)在量化与灰度级减少等章节中与“posterization”相关概念频繁出现。
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