V2EX lossless

Lossless

定义 Definition

lossless(无损的):指在压缩、传输或处理数据(常见于音频、图像、视频)时不丢失任何信息,解码后能完全还原原始数据。(也可更广义指“无损耗的/无损失的”)

发音 Pronunciation

/lsls/ (英式常见)
/lsls/ (美式常见)

例句 Examples

Lossless compression keeps all the original details.
无损压缩会保留所有原始细节。

The archive stores photos in a lossless format so that every pixel can be recovered even after repeated edits and exports.
该档案库用无损格式保存照片,以便即使多次编辑和导出后也能恢复每个像素的信息。

词源 Etymology

loss(损失)+ 后缀 -less(“没有……的”)构成,字面意思是“没有损失的”。在计算机与数字媒体领域中,常用来描述与 lossy(有损) 相对的编码/压缩方式。

相关词 Related Words

文学作品 Literary Works

  • A Mathematician’s Apology(G. H. Hardy):可见 loss / losses 等相关词形,用于讨论“损失/失去”的概念(“lossless”作为现代技术词较少见)。
  • Principles of Digital Image Processing(Wilhelm Burger, Mark J. Burge):在数字图像处理语境中大量出现 lossless(技术类著作)。
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