Mixed Reality: Virtual Reality, Augmented Reality, Augmented Virtuality Luigi Cinque Maggio 2008.
Augmented Reality
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AUGMENTED REALITY FOR PROGRAMMERS Andrew Bibichev 2010, September
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Presentation for ADD-2010 conference: "Augmented Reality for Programmers"
Transcript of Augmented Reality
AUGMENTED REALITYFOR PROGRAMMERS
Andrew Bibichev
2010, September
AR AR
AR
AR
ARAR
AR
AR
AR
AR
AR
VIRTUAL REALITY
Real Life Context
Generated Content
AUGMENTED REALITY
Real Life Context
Generated Content
VR
AR
Real Life Context
Generated Content
INPUTdevice
INNOVATIONS IN
ProcessingOUTPUTdevice
Rendering
AR VR
EARLY 1970s:FIRST ELECTRONIC KEYBOARD
1977: TOUCH SCREEN
1981: Xerox Star mouse
EARLY 1990s: WEBCAM
1995: Genius EasyScroll mouse
2007: multi touch (iPhone)
2007: WII REMOTE (accelerometer)
JUNE, 2009: WII MOTION+ (gyro)
2010: smart phoneswith gyro, accel, GPS, video camera, …
SEP, 2010: SONY MOVE
NOV, 2010: MS KINECT
1984: Apache
Spec. sensors
Cameras
markers
structured light
Z-cameras / Z-sensors
True Optical:several cameras
True Optical:one moving camera
GPS, accelerometer, gyro, magnetic compass
MICROMECHANICAL GYROSCOPE
OUTPUT IS ANGULAR VELOCITY
ERROR ACCUMULATION =>=> DRIFT == LOW-FREQUENCY NOISE
g
a
g-a
Output is (g-a) in coordinate system of device
g
Case: 1d, a 0
x
y
gy
gx
Accelergx, gy
Angle
Gyro
?
Magic==
Kalman Filter
Complementary Filter
Link
C++ implementation
HOW TO CHOOSE VALUE OF COEFF.?
g
drift
g
drift
B
Spec. sensors
Cameras
markers
structured light
Z-cameras / Z-sensors
True Optical:several cameras
True Optical:one moving camera
GPS, accelerometer, gyro, magnetic compass
L
W
H
D
FOV
d
L
W
H
D
FOV
d
HOW TO DETECT MARKER(S) ON IMAGE
Threshold
N CAMERAS X M MARKERS
VICON
OPTITRACK
Spec. sensors
Cameras
markers
structured light
Z-cameras / Z-sensors
True Optical:several cameras
True Optical:one moving camera
GPS, accelerometer, gyro, magnetic compass
MICROSOFT SURFACE
Link
Spec. sensors
Cameras
markers
structured light
Z-cameras / Z-sensors
True Optical:several cameras
True Optical:one moving camera
GPS, accelerometer, gyro, magnetic compass
ROOTS OF NATAL == 3DV ZCAM
Link
Camera input Tiny image
Database nearest neighbors
Blended pose of
nearest neighbors
Link
Spec. sensors
Cameras
markers
structured light
Z-cameras / Z-sensors
True Optical:several cameras
True Optical:one moving camera
GPS, accelerometer, gyro, magnetic compass
IPISOFT DESKTOP MOCAP
Spec. sensors
Cameras
markers
structured light
Z-cameras / Z-sensors
True Optical:several cameras
True Optical:one moving camera
GPS, accelerometer, gyro, magnetic compass
AUGMENTED REALITY REVENUE
0
50
100
150
200
250
300
350
400
2008 2014
millions of USD
Link
robustness сущ.
общ. здоровье; сила; здравомыслие; трудность; эксплуатационная
надёжность; прочность
автом. надёжность
безоп. способность системы восстанавливать работоспособность при
возникновении ошибочных ситуаций
воен. жёсткость; защищённость
выч. устойчивость (к нарушениям исходных
предпосылок); "выносливость"; живучесть; устойчивость к
нарушениям исходных предпосылок
комп. ошибкоустойчивость
контр.кач. прочность (конструкции)
Макаров робастность (оценки в статистике); устойчивость (к
нежелательным, но возможным воздействиям)
матем. корректность (метода)
рбт. грубость (напр. системы управления)
редк. грубость
тех. выносливость (к нежелательным, но возможным
воздействиям); робастность
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