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影片画格

电影制作、影视制作、动画和相关领域中,一个影片画格(又称“帧”)是组成完整的运动图片的众多静止图像之一。该术语源于电影底片的历史发展,因为底片所依次记录的单个图像,在单独检查时看起来就像画框图片,因此被称为画格[1]

概述

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当播放运动图片时,每个画格会在屏幕上快速显示一段时间,然后立即被下一个画格替换。视觉暂留将这些画格混合在一起,产生了移动图像的视错觉[2]

物理电影画格

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在电影胶片条中,个别画格由帧线(Frame line)分开。通常,需要24个画格才能拍摄1秒的电影[3]

影片画格

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从历史上看,影片画格是以类比讯号形式表示的,其中不同的电压表示了整个萤幕上的光强度[4]

静止画格

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静止画格是从电影影片中抓取的单个静态图像,而电影或影片是动态(运动)图像[5]。静止画格也被称影片预览、缩图关键画格、海报画格、或萤幕截图。在影片平台中,广泛使用冻结画格,以向观众展示预览[6]

参见

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参考文献

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  1. ^ Framing in Filmmaking - Hollywood Lexicon. www.hollywoodlexicon.com. [2023-09-08]. (原始内容存档于2023-09-08). 
  2. ^ Persistence of vision: how does animation work?. FutureLearn. [2023-09-08]. (原始内容存档于2023-03-07) (美国英语). 
  3. ^ Frame Within a Frame — Composition Techniques. StudioBinder. 2022-06-19 [2023-09-08]. (原始内容存档于2023-09-23) (美国英语). 
  4. ^ Analog Video Signal - an overview | ScienceDirect Topics. www.sciencedirect.com. [2023-09-08]. (原始内容存档于2023-09-08). 
  5. ^ 【影形力專欄】穿過電影的照片. 典藏ARTouch.com. 2020-05-20 [2023-09-08]. (原始内容存档于2023-07-07) (中文(台湾)). 
  6. ^ WHAT ARE STILL FRAMES IN FILM & HOW ARE FREEZE FRAMES USED?. [2023-9-8]. (原始内容存档于2023-09-08). 
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影片画格
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