explain TVL (in 150 words )
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Explanation: TV Lines are a measure of horizontal resolution. The human eye cannot detect the number of TV Lines that a camera can produce. Television lines (TVL) is a specification of an analog camera's or monitors's horizontal resolution power. The TVL is one of the most important resolution measures in a video system. The TVL can be measured with the standard EIA-1956 resolution chart.
Specifically, TV Lines are measured in the following way: first, take a portion of the image's width equal to the size of the image's height. Then, count the number of vertical lines displayed.
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