V2EX intraframe

Intraframe

释义 Definition

帧内的;帧内编码的(intraframe compression/coding):指视频压缩/编码中只利用同一帧内部信息进行编码的方式,不依赖前后帧的运动预测;因此通常更易编辑、抗误码更好,但压缩效率往往低于帧间编码。(也常写作 intra-frame

发音 Pronunciation (IPA)

/ntrfrem/

例句 Examples

Intraframe compression is easier to edit than interframe compression.
帧内压缩通常比帧间压缩更容易进行剪辑。

For archival footage, intraframe codecs are often preferred because each frame can be decoded independently, reducing the impact of transmission errors.
对于存档素材,常更偏好帧内编码器,因为每一帧都可独立解码,从而降低传输错误带来的影响。

词源 Etymology

intra- 源自拉丁语,意为“在……之内”;frame 意为“帧/画面”。合起来即“在单个画面帧内部进行处理/编码”的意思,属于视频编码领域的技术复合词。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Digital Video and HDTV: Algorithms and Interfaces(Charles Poynton)
  • Video Coding: H.264/AVC and HEVC(Iain E. G. Richardson)
  • H.264/AVC Video Coding for Wireless Communications(Yo-Sung Ho, 等)
  • ITU-T H.264(AVC)与 ITU-T H.265(HEVC)等视频编码标准相关说明文档
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