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单词 picture element
释义

picture element

英汉-汉英词典
象素
词组 | 习惯用语
您要查找的是不是:
    Picture element quantity 像素数量
    picture element signal 像素信号;图象元素信号
    picture element tube 像素管;灌封胶;象元管
    Active Picture Element 有效像素;摄像像素
    picture element matrix 图象元素矩阵
    active picture elements 有效象素
    pixel picture element 象元
    Effective Picture Element 有效像素;总像素
picture element 象素
中文百科

像素 Pixel

(重定向自Picture element)

像素,为影像显示的基本单位,译自英文「pixel」,pix是英语单词picture的常用简写,加上英语单词“元素”element,就得到pixel,故“像素”表示「画像元素」之意,有时亦被称为pelpicture element)。每个这样的消息元素不是一个点或者一个方块,而是一个抽象的采样。仔细处理的话,一幅影像中的像素可以在任何尺度上看起来都不像分离的点或者方块;但是在很多情况下,它们采用点或者方块显示。每个像素可有各自的颜色值,可采三原色显示,因而又分成红、绿、蓝三种子像素(RGB色域),或者青、品红、ˇ黄和黑(CMYK色域,印刷行业以及打印机中常见)。照片是一个个采样点的集合,在影像没有经过不正确的/有损的压缩或相机镜头合适的前提下,单位面积内的像素越多代表分辨率越高,所显示的影像就会接近于真实物体。

英语百科

Pixel 像素

(重定向自Picture element)
A photograph of sub-pixel display elements on a laptop's LCD screen
Geometry of color elements of various CRT and LCD displays; phosphor dots in a color CRTs display (top row) bear no relation to pixels or subpixels.

In digital imaging, a pixel, pel, dots or picture element is a physical point in a raster image, or the smallest addressable element in an all points addressable display device; so it is the smallest controllable element of a picture represented on the screen. The address of a pixel corresponds to its physical coordinates. LCD pixels are manufactured in a two-dimensional grid, and are often represented using dots or squares, but CRT pixels correspond to their timing mechanisms and sweep rates.

近义、反义、联想词
近义词
n.
component, constituent, element

英英词典
picture element n.
  1. (computer science) the smallest discrete component of an image or picture on a CRT screen (usually a colored dot)

  2. synonymous: pixel, pel
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更新时间:2025/6/19 22:35:54