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映像酔いで見られた映像の動き ベクトルと生体機能との関係 新たな運動

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映像酔いで見られた映像の動き ベクトルと生体機能との関係 新たな運動
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March 9, 2007
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Motivation for Exercise
Vestibular System
Visual SystemBrain
Somatic Sensors
Motor Command
Neuromuscular system
for Controlling Exercise
Muscles
Proprioception
Autonomic Nervous System
for Continuing Physical Activity
Energy Metabolism
for Continuing Exercise
short
long
time-scale
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T. Kiryu, Niigata UniversityMarch 9, 2007
Introduction
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Cons
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Rating of Personal Features
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Local Motion Vector
Global Motion Vector
pan
right/left
up/down
zoom
distant view
camera
tilt
local motion in a screen
y
motion of camera
post frame
current frame
y
tilt
Bottom up approach
x
Block matching method
x
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T. Kiryu, Niigata UniversityMarch 9, 2007
[magnification]
% )
[pixel]
Frequency
[Hz]
zoom
[pixel]
Frequency
[Hz]
pan
Frequency
[Hz]
tilt
time [sec]
GMV
mountain-bike
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T. Kiryu, Niigata UniversityMarch 9, 2007
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T. Kiryu, Niigata UniversityMarch 9, 2007
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Pan (GMV)CRight/Left (LMV)CD5
(1,1)
(1,2)
(1,3)
(1,4)
(1,5)
(2,1)
(2,2)
(2,3)
(2,4)
(2,5)
(3,1)
(3,2)
(3,3)
(3,4)
(3,5)
(4,1)
(4,2)
(4,3)
(4,4)
(4,5)
(5,1)
(5,2)
(5,3)
(5,4)
(5,5)
| correlation coefficient | 0.7
mountain-bike
time [sec]
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100
120
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Signal Intensity
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10 [min]
5 [min]
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0.6
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Frequency [Hz]
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bobsleigh …0.3-5 [Hz](zoom), 4-11[Hz]
bike race …2.5-8 [Hz]
pan
10
5
3
tilt
median
mean
1
0.5
0.1
0.05
N=96
N=180
N=264
0.01
55 56 57 58 [sec] 55 56 5758 [sec] 55 56 5758 [sec]
pan
bike race (38-41[sec])
tilt
Frequency
31 15[Hz]
0.01
Frequency [Hz]
mountain-bike (65-68[sec])
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10
5
3
1
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N=923
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N=482
N=247
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38 39 40 41 [sec] 38 39 40 41 [sec] 38 39 4041 [sec]
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T. Kiryu, Niigata UniversityMarch 9, 2007
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120
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T1
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T5
T5
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|
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time [sec]
time [sec]
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negative
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T. Kiryu, Niigata UniversityMarch 9, 2007
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