V2EX ppi

PPI

释义 Definition

PPIpixels per inch 的缩写,意思是“每英寸像素数”,用于衡量图像在打印或显示时的像素密度/清晰度。数值越高,细节通常越细腻。(在不同语境中也可能有其他含义,但最常见的是图像与屏幕领域的这一用法。)

发音 Pronunciation (IPA)

/pi pi a/

例句 Examples

A higher PPI usually makes photos look sharper.
更高的 PPI 通常会让照片看起来更清晰。

When preparing a poster for print, she checked the image’s PPI to ensure fine details wouldn’t blur.
在为印刷海报做准备时,她检查了图片的 PPI,以确保细节不会变模糊。

词源 Etymology

PPI 来自短语 pixels per inchpixel(像素) + per(每) + inch(英寸)。随着数码摄影、屏幕显示与桌面出版(DTP)普及,这个缩写在图像处理与排版工作流程中被广泛使用。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Real World Adobe Photoshop(Adobe Photoshop 实务类经典书籍,讨论图像分辨率与印刷输出时常涉及 PPI 概念)
  • Adobe Photoshop Classroom in a Book(Adobe 官方教材系列,讲解图像大小、分辨率设置等内容时会出现 PPI)
  • The Non-Designer’s Design Book(平面设计入门经典,谈到版面与输出质量时常关联分辨率/PPI 这类术语)
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