philip lelyveld The world of entertainment technology


How does mobile AR work today and how will it work tomorrow

[PhilNote: this is an excellent CliffNotes-style AR technology primer.]0*Q5gcGdQESaJZxKju

AR experiences can seem magical but what exactly is happening behind the curtain? To answer this, we must look at the three basic foundations of a camera-based AR system like our smartphone.

  1. How do computers know where it is in the world? (Localization + Mapping)
  2. How do computers understand what the world looks like? (Geometry)
  3. How do computers understand the world as we do? (Semantics)

One day, we will create a machine-readable, 1:1 scale model of the world known as “The AR Cloud”. The AR Cloud has many alternative names such as “the world’s digital twin”, “the mirror world” or “magicverse”. Personally, I’d like to think of it as a digital replica of our world that perfectly overlays on top of our real world.

See the full 5000 word essay here:

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