The document discusses ARCore, Google's augmented reality SDK for Android. It provides an overview of ARCore and how it works, including that it uses motion tracking and environmental understanding to enable AR experiences. It also outlines how ARCore integrates with apps and tools like Unity, Unreal Engine, and native Android apps to power AR functionality.

4. /
ARCore

11. three.ar.js JS Web
AR
ARCore (Android) ARKit (iOS)
three.ar.js
WebARonARCore
ARKit on iOS
https://github.com/google-ar/WebARonARCore
https://github.com/google-ar/three.ar.js
https://github.com/google-ar/WebARonARKit

14. Motion Tracking
( )
Environmental
Understanging
Light
Estimation

29. ARCore Service(C++ / NDK)
Unity SDK
Unity App UE App
UE SDK
Java Helper Library
Java App
AIDL
User App
Process
ARCore Process
(arcore-preview.apk)
IBinderInterdace
Native API

30. ARCore Service(C++ / NDK)
IBinderInterdace
Native API
Unity SDK
Unity App
Native App
UE App
UE SDK
Java Helper Library
Java App
AIDL
User App
Process
ARCore Process
(arcore-preview2.apk)

34. Session
AR
Frame
AR
Plane
Enum HORIZONTAL_DOWNWARD_FACING,HORIZONTAL_UPWARD_FACING
Anchor

36.
https://developer.android.com/training/graphics/opengl/index.html https://github.com/Rajawali/Rajawali

40. Google AR WG / Google
https://plus.google.com/communities/117782112124490967221