The Glass Class Lecture 2 - Wearable Computers

Feb 17th – 21st 2014

Mark Billinghurst, Gun Lee HIT Lab NZ

University of Canterbury

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A Brief History of Time

  Trend   smaller, cheaper, more functions, more intimate   From public space onto the body

17th Century

20th Century

13th Century

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A Brief History of Computing

  Trend   smaller, cheaper, faster, more intimate   Moving from fixed to handheld

1950’s

1980’s

1990’s

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Wearable Computing   Computer on the body that is:

  Always on   Always accessible   Always connected

  Other attributes   Augmenting user actions   Aware of user and surroundings

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Wearable Attributes

  fafds

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Thorp and Shannon (1961)

  Wearable timing device for roulette prediction   Audio feedback, four button input

Ed Thorp

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Keith Taft (1972)

  Wearable computer for blackjack card counting   Toe input, LED in Glasses for feedback

Belt computer Shoe Input

Glasses Display

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Steve Mann (1980s - )

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CamNet (1992)   British Telecom   Wearable Teleconferencing

  audio, video   Sends task space video

 Collaboration between user and remote expert

  Similar CMU study (1996)   cut performance time in half

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MIT Wearable Computing (1996)

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Thad Starner 1998

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Early Wearable Computing

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Early Technology

  Computing   Belt or Backpack

  Displays  Head Mounted, LCD Panel, Audio

  Input Devices  Chording Keyboard, Speech, Camera

  Networking  Wireless LAN, Infra-Red, Cellular

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Mobile AR: Touring Machine (1997)

  University of Columbia   Feiner, MacIntyre, Höllerer, Webster

  Combines   See through head mounted display  GPS tracking  Orientation sensor   Backpack PC (custom)   Tablet input

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MARS View

  Virtual tags overlaid on the real world   “Information in place”

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Early Backpack/Wearable Systems

 Touring Machine  AR Quake (Thomas)  Tinmith (Piekarski)  MCAR (Reitmayr)  Bulky, HMD based

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HIT Lab NZ Wearable AR (2004)

  Highly accurate outdoor AR tracking system  GPS, Inertial, RTK system  HMD

  First prototype   Laptop based   Video see-through HMD   2-3 cm tracking accuracy

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Image Registration

AR Stakeout Application

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Wearable AR Video

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PCI 3D Graphics Board

Hard Drive

Serial

Ports

CPU

PC104 Sound Card

PC104 PCMCIA

GPS Antenna

RTK correction Antenna

HMD Controller

Tracker Controller

DC to DC Converter

Battery

Wearable Computer

GPS RTK correction

Radio

Example self-built working solution with PCI-based 3D graphics

Columbia Touring Machine

Mobile AR - Hardware

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Early Commercial Systems   Xybernaut (1996-2007)

  Belt worn, HMD, 233 MHz

  ViA   Belt worn, Audio Interface   700 MHz Crusoe

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2008 - Location Aware Phones

Nokia Navigator Motorola Droid

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Real World Information Overlay

  Tag real world locations  GPS + Compass input  Overlay graphics data on live video

  Applications   Travel guide, Advertising, etc

  Companies   Layar, AcrossAir, Tochnidot, Wikitude, etc

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Layar – www.layar.com

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Evolution of Mobile AR

Wearable AR

Handheld AR Displays

Camera phone

1995 1997 2001 2003 2004

Camera phone - Self contained AR

Wearable Computers

PDAs -Thin client AR

PDAs -Self contained AR

Camera phone - Thin client AR

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Google Glass

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View Through Google Glass

Always available peripheral information display Combining computing, communications and content capture

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What's Inside Google Glass?

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  Hardware  CPU TI OMAP 4430 – 1 Ghz   16 GB SanDisk Flash,1 GB Ram   570mAh Battery

  Input   5 mp camera, 720p recording, microphone  GPS, InvenSense MPU-9150 inertial sensor

  Output   Bone conducting speaker   640x360 micro-projector display

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Google Glass Prototyping

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Early prototyping

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Early prototyping

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Early prototyping

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Early prototyping

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Early prototyping

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Early prototyping

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Early prototyping

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Early prototyping

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Competitors   Vuzix M100

  $999, profession

  Recon Jet   $600, more sensors, sports

  Opinvent   500 Euro, multi-view mode

  Motorola Golden-i   Rugged, remote assistance

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Recon Instruments Snow

  Ski display/computer   Location, speed, altitude, phone headset

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Projected Market

  > 10 million displays by 2016

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Wearables Market Size