Introduction to
Extended Reality - XR
Kumar Ahir
IDF, May 2020
IDC, IIT Bombay - Interaction Design
CISCO, Symantec, Microsoft, TCS, PropTiger
OoBI, and others
Tech Tinkering, SketchNoting
Sequence
● Digital interface evolution
● XR Fundamentals - VR, AR
● The XR spectrum - AR, MR, VR with examples
● XR Hardware - VR, AR, MR
● XR Content - Types, Creation, Tools
● Applications
● XR Resources - Blogs, Glossaries, People
● Audience Questions
Disclaimer
We have been
recreating the
reality around us
in different ways
Evolution of Tools for Creation and Experience
Future !?!?
Black Mirror - Striking Vipers
Face Filters
Human Senses
XR Fundamentals
● FoV
● DoF
● Tracking
● Controllers
● Eye Resolution
● Depth of Focus
Degrees of Freedom
Controlling the Digital Interface
Tracking System
Depth of Focus
Sensors for
Senses
Motion Sensors
Gyroscope
Accelerometer
Vision Sensors
Depth Sensor
Eye Retinal Sensor
VR Hardware
VR Hardware
Outside In tracking
AR/MR Hardware
Digital Content
Analogy to 2d
● Photo and Video
● Stereoscopic and Monoscopic
Generation
● Real capture - Cameras
● Computer generated - 3d software
● Mix - Real+CG - Camera+3d software
XR Content
Analogy to 2d
● Photo and Video
● Stereoscopic and
Monoscopic
Generation
● Real capture
● Computer generated
● Mix - Real+CG
XR Content Creation
Camera Capture - 360 and 3D
● 360 Camera
● SLAM
● Photogrammetry
3d Software generated
Mixed
360 Camera
Experience
using 360 camera
XR
Content Creation
Tools
Desktop based Full Fledged
Tools
● Unity
● Unreal
● OpenXR
Output
● Cross device
● AR, VR, MR
● Standalone output
● High end, Robust
● Scalable
● API integration
Mobile Based AR creation
Torch 3d (iOS only)
torch.app
Output
● Torch or Web browser
● Marker/Markerless
● Interactions
● GPS
Web Based Tools - Content integration
Amazon Sumerian
MetaVrse
Pluxr.com
Blippar
Prototypr
HelloAR.io
Scapic
No separate app install
Author and View in browser
3D content needed
Facebook Spark AR
Snapchat Lens Studio
Desktop based Mobile AR tools
3D content
Creation
● 3ds Max
● Maya
● Blender
● Vectary.com (web
based)
Hosting and Distribution
● Poly.google.com
● Sketchfab
● Amazon Sumerian
VR based content creation
Tilt Brush
Google Blocks
Gravity Sketch
Microsoft Maquette
Adobe Aero
XR applications
Still to reach
Medical and Healthcare
Education
Potential Future
XR Resources
RoadToVR.com
UploadVR.com
XROM.in
Uxofvr.com
Medium
Podcasts
Voices of VR
Everything Virtual
F.Reality
INDE’s Augmented Reality
Everything VR and AR
Michael Abrash
John Carmack
Mike Alger
Cathy Hack
Alice Bonasio
Keiichi Matsuda
Books
Make it So
3d User Interfaces
www.medium.com/@kumar.ahir
www.twitter.com/@kernel_kumar
www.linkedin.com/in/kumarahir
www.kumarahir.com

Introduction to Extended Reality - XR