学会発表スライド(土木学会 全国大会 9月)

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2016/09/09 71

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1

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(2006) (1959) (1992)

(1992)4/27

,4

, 2016

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201/505

6/27(20169)

6

7/27

7

(Support Vector Machine)8/27

Support Vector Machine

333Fr3L/kRe3338

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9

-6m,0.3m(0.9cm0.9cm)

FLOW

4.5m10/27

60.30.90.3m10

-

Video camera(29FPS)LED light

FLOW

FLOWVideo camera(29FPS)29FPS,10(290)

FLOWSONY HDR-CX72019201080130,29FPS2610

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,29FPSLED9011

500FPS,0.121(1)

Light filmLaser

FLOW

High speed camera(500FPS)

FLOWDITECT HAS-500K

10249924,500FPS2000

80mFlow

-12/27

80500FPS12

-13/27

3,,,

13

3-14/27

314

- L/k 2.5, 5.0, 7.5, 10.0, 12.5, 15.0, 17.5, 20.0 I : 1/50, 1/100, 1/200, 1/400, 1/1000 Re : 5000, 8890, 12777, 16667, 20553, 24443, 28333, 32223, 36110

36015/27

360

2/0.01Re_kk

1.57.5cm2.48.4cm

15

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Flow

()

Flow

Flow

L/k=15.0 I = 1/50 Re = 12777N:

LED17/28

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(FT)29FPS,10(290)

(L/k=15)Re = 5000Re = 12777Re = 20553I = 1/50I = 1/50I = 1/50I = 1/200Re = 5000(NJ)(PJ)3(3D)19/27

,,3,4Normal Jump(NJ):Periodic Jump(PJ):3D surface(3D):3Flat surface(FT):

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90(2610)

Flow

Flow

Flow

Flow(NJ)(PJ)3(3D)(FT)(L/k=15)Re = 5000I = 1/50Re = 12777I = 1/50Re = 20553I = 1/50I = 1/200Re = 500020/27

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4(2000)(NJ)(PJ)3(3D)

(L/k=15)Re = 5000I = 1/50Re = 12777I = 1/50Re = 20553I = 1/5021/27

4

l/K=15,i=1/5021

PJ

L/k=1522/27

15

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3(3D)(FT)(NJ)(PJ)PJL/k=1523/27

,

SVM1

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L/k=15

3

SVM24/27

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SVM

L/k=15L/k=17.5L/k=2025/27

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SVMI=1/50I=1/100I=1/200

Re=12777Re=16667Re=20553

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91%

SVML/k, I, Re91%SVM91%91%(%RVM)

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SVM() 3

SVM (91%)3

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,

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28

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SVM

L/k I Re

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< 1= 0> 1y = 0y = -1y = 1

SVM,,,

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A3600.8()B3600.64()A3600.2()B3600.04()

82 82

SVM

(5,145231

TPFPFNTN

SVM

0.9191%(precision)(recall)F=TP/(TP+FN)).FFNFPFPFNFPFPFNFPFNFNFN91

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SVM(L/k)

L/k=2.5

L/k=5.0

L/k=7.5

SVM(L/k)

L/k=10.0

L/k=12.5

L/k=15.0

SVM(L/k)

L/k=17.5L/k=20.0

SVM(Re)

Re=5000

Re=8890

Re=12777

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SVM(Re)Re=16667Re=20553Re=24443

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SVM(Re)

Re=28333Re=32223Re=36110

SVM(I)

I=1/1000I=1/400I=1/200

SVM(I)

I=1/100I=1/50