Interlaced scanning

Japanese: インタレース走査 - いんたーれーすそうさ
Interlaced scanning

…In contrast to progressive scanning, there is a method in which the first scan roughly scans every other scanning line, and the next scan scans the gap between them, completing the scan in two passes. This is called interlaced scanning, and is used in standard television (Figure 7-b). The reason for this is that it is a way to reduce flickering in the received image without increasing the cost of television equipment or transmission. …

*Some of the terminology that refers to "interlaced scanning" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…順次走査に対して,まず最初の走査で走査線の1本飛びに粗く走査して,次の走査でその間の走査を行い,2回の走査で完全な走査をする方式がある。これを飛越し走査(インタレース走査)方式と呼び,標準テレビ方式ではこのような走査方式が用いられている(図7-b)。その理由はテレビ機器コストや伝送コストの上昇を招かずに,受信画像のちらつきをへらすためのくふうである。…

※「インタレース走査」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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