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・ Rasul Kudayev
・ Rasul Madzhidov
・ Rasul Makasharipov
・ Rasul Mir
・ Rasul Mirzaev
・ Rasul Pahlawan
・ Rasul Rza
・ Rasul Sadr Ameli
・ Rasul Salimov
・ Rasul v. Bush
・ Rasul v. Rumsfeld
・ Raster image processor
・ Raster interrupt
・ Raster Navigational Charts (NOAA)
・ Raster passes
Raster scan
・ Raster-Noton
・ Rasterisation
・ Rasterscan
・ Rasterschlüssel 44
・ Rastgordan
・ Rastguyan
・ Rasti
・ Rasti, Iran
・ Rasticevo
・ Rastila
・ Rastila metro station
・ Rastina
・ Rastislalić noble family
・ Rastislav Bakala


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Raster scan : ウィキペディア英語版
Raster scan

A raster scan, or raster scanning, is the rectangular pattern of image capture and reconstruction in television. By analogy, the term is used for raster graphics, the pattern of image storage and transmission used in most computer bitmap image systems. The word ''raster'' comes from the Latin word ''rastrum'' (a rake), which is derived from ''radere'' (to scrape); see also rastrum, an instrument for drawing musical staff lines. The pattern left by the lines of a rake, when drawn straight, resembles the parallel lines of a raster: this line-by-line scanning is what creates a raster. It is a systematic process of covering the area progressively, one line at a time. Although often a great deal faster, it is similar in the most-general sense to how one's gaze travels when one reads lines of text.
== Description ==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Raster scan」の詳細全文を読む



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