and display systems create images a line at a time. The scan lines are the vertical resolution of the system; for example, an NTSC TV signal uses 525 lines, 480 of which contain image data ...
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The list of airports where you can skip the TSA PreCheck line and use a facial recognition scan instead of your ID is growingUnited's website says that after checking in for a flight on its app, passengers can opt-in to use a face scan as their ID ... Delta Air Lines also makes use of the technology.
After some napkin math, a motorized laser mount as above will have some nasty sine wave like effects if you take pictures in between steps of a rotating 3d scanner. Be aware, that 3d scanning ...
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