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单词 Persistence of vision
释义

Persistence of vision

原声例句
PBS趣味科普

This is what's called persistence of vision.

这就是所谓的视觉暂留。

中文百科

视觉暂留

视觉暂留(英文:Persistence of vision)是光对视网膜所产生的视觉,在光停止作用后,仍保留一段时间的现象,其具体应用是电影的拍摄和放映。原因是由视神经的反应速度造成的,其时值约是1/16秒,对于不同频率的光有不同的暂留时间。是动画、电影等视觉媒体形成和传播的根据。比如:直视太阳数秒后,人眼将残留一个强光源的影像。我们日常使用的日光灯每秒大约熄灭100余次,但我们基本感觉不到日光灯的闪动。这都是因为视觉暂留的作用。所以,要达成最基本的视觉暂留效果至少需要10fps(参考视频的帧率)。

英语百科

Persistence of vision 视觉暂留

Persistence of Vision as a visual art form, using an array of lights, waved back and forth in space, with the lights controlled by wearable computer
This animated cartoon of a galloping horse is displayed at 12 drawings per second, and the fast motion is on the edge of being objectionably jerky.

Persistence of vision refers to the optical illusion whereby multiple discrete images blend into a single image in the human mind and believed to be the explanation for motion pe****tion in cinema and animated films. Like other illusions of visual pe****tion, it is produced by certain characteristics of the visual system.

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更新时间:2025/6/17 8:46:45