Technology for overhead camera view?

Lots of new cars can show not only the views from various corner and rear cameras, but an overhead view, showing people walking nearby etc. Where
the heck do they get that image?!
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On Friday, September 7, 2018 at 5:59:39 PM UTC-5, snipped-for-privacy@panix.com wrote:

Surround view cameras? www.extremetech.com/extreme/186160-what-are-surround-view-cameras-and-why-are-they-better-than-they-need-to-be
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