interlaced scanning


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interlaced scanning

n
(Broadcasting) a system of scanning a television picture, first along the even-numbered lines, then along the odd-numbered lines, in one complete scan
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Then the original image is partially cut, and the commonly used method is interlaced scanning to achieve the image conforming to the standard.
(5) 1080i:A digital broadcasting video signal format that uses 1,080 effective scan lines (1,125 actual lines) and interlaced scanning at 29.97 Hz.
Edsall (broadcasting, Western Illinois U.) starts by explaining the purposes of television graphics and frames the medium technically by describing progressive and interlaced scanning, shape and aspect ratios, and perceptions of color, form, depth and motion.