1
85#M? ON0A6K/H=;>- @J,Q3"#*#ICGFDB#&1!2+R P2LE<.%7(9:' 3"# 4)P2CG$ / Shibasaki - Sekimoto Lab. IIS, the University of Tokyo. Sekimoto Lab. @ IIS Human Centered Urban Informatics, the University of Tokyo ´³[; ¶³0C ·³t ¸³T= µ³MO @J,Q[email protected]R p ¥ªW1QJdF®!pf ¹]B~y@qt lKUVR'c p §¯¤¥u-\yD#Yk? 1. §¯¤¥mggr3>~º a)1 st Stage Experiment Details of TrainingImages by Road Manager b)2 nd Stage Experiment Total Images(Damaged Images) Details of TrainingImages by Road Manager Total Images(Damaged Images) SmartphoneJudgement (Predicted) Damage No Damage Actual Damage 13 45 No Damage 14 198 Precision 0.48 Recall 0.22 Evaluation in Site0 Evaluation in Site0 SmartphoneJudgement (Predicted) Damage No Damage Actual Damage 49 6 No Damage 8 183 Precision 0.85 Recall 0.89 Cities of Study # of Images Site1 (Adachi Ward) 0 (0) Site2 (Muroran City) 0 (0) Site3 (Ichihara City) 0 (0) Site4 (Konan Ward) 0 (0) Site5 (Chiba City) 1,514 (514) Site6 (Nagakute City) 0 (0) Total 1,514 (514) Cities of Study # of Images Site1 (Adachi Ward) 4,460 (291) Site2 (Muroran City) 9,200 (362) Site3 (Ichihara City) 2,544 (150) Site4 (Konan Ward) 9,055 (396) Site5 (Chiba City) 1,984 (382) Site6 (Nagakute City) 1,696 (70) Total 28,939 (1,651) v ^$mg500kmhi§¦L4(y6%£¯ 1,500<) w ¹]Bct_~y86%£¯ 30,000<) T=´ x web¢¯«K~ymgQJZ3P/+£¯ ) T=2 6%£¯ ±3}² &5°° T=´ T=µ ]BX.,AnaI*oo Site1 (Adachi Ward) Site2 (Muroran city) Site4 (Konan Ward) Site1-4 (All cities) Site3 (Ichihara City) Damage Type Road Width Damage Level Traffic Volume Max Speed Lane Number Road Type Damage Type Road Type Road Width Damage Level Traffic Volume Lane Number Max Speed Road Width Damage Type Damage Level Max Speed Road Type Traffic Volume Lane Number Damage Type Road Width Damage Level Traffic Volume Max Speed Lane Number Road Type Damage Type Road Type Road Width Damage Level Traffic Volume Lane Number Max Speed ª¡¨¥¬¤C~yGini7E"oy .,AnaI*ooT=y]B {3Ns|.,Ana}: 2. ]BW1QJGo~º lKUV9zeS~ dFf+° !pf+° )$@=&*"(*A) NO!*)MR; .=2B S**'*3J>,; .C/+H:40PMGL:4!)C)web * %BJ>,PMEA7Q6!*)D; .-KC/F<D)#%?85I195I 1. 3>©£«YyYolo 2K YoloL`7Y_ D#YK~H >0Cy R'uJ j'j~I* 2. W1QJGoyRandamForestK~ Gini7I(t)E"ob yI*ona' o Redmon, J., Divvala, S., Girshick, R., Farhadi, A. You only look once: unified real-time object detection., CVPR (2016)

85#M ? ON 0 A 6 K/H= ; >-...ON 0 A 6 K/H= ; >- @J,Q3 "#*#ICGFD B#&1 !2+R P2LE

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Page 1: 85#M ? ON 0 A 6 K/H= ; >-...ON 0 A 6 K/H= ; >- @J,Q3 "#*#ICGFD B#&1 !2+R P2LE

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Sekimoto Lab. @ IIS Human Centered Urban Informatics, the University of Tokyo

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a)1st StageExperiment

DetailsofTrainingImagesbyRoadManager

b)2nd StageExperiment

�TotalImages(DamagedImages)

DetailsofTrainingImagesbyRoadManager

�TotalImages(DamagedImages)

Smartphone Judgement(Predicted)

Damage NoDamage

ActualDamage 13 45

NoDamage 14 198

Precision 0.48

Recall 0.22

EvaluationinSite0 EvaluationinSite0

Smartphone Judgement(Predicted)

Damage NoDamage

ActualDamage 49 6

NoDamage 8 183

Precision 0.85

Recall 0.89

CitiesofStudy #of Images

Site1(AdachiWard) 0(0)

Site2 (MuroranCity) 0(0)

Site3(IchiharaCity) 0(0)

Site4(KonanWard) 0(0)

Site5(ChibaCity) 1,514(514)

Site6(NagakuteCity) 0(0)

Total 1,514(514)

CitiesofStudy #of Images

Site1(AdachiWard) 4,460(291)

Site2 (MuroranCity) 9,200(362)

Site3(IchiharaCity) 2,544(150)

Site4(KonanWard) 9,055(396)

Site5(ChibaCity) 1,984(382)

Site6(NagakuteCity) 1,696(70)

Total 28,939(1,651)

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Site3(IchiharaCity)

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TrafficVolume

MaxSpeed

LaneNumber

RoadType

DamageType

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RoadWidth

DamageLevel

TrafficVolume

LaneNumber

MaxSpeed

RoadWidth

DamageType

DamageLevel

MaxSpeed

RoadType

TrafficVolume

LaneNumber

DamageType

RoadWidth

DamageLevel

TrafficVolume

MaxSpeed

LaneNumber

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DamageType

RoadType

RoadWidth

DamageLevel

TrafficVolume

LaneNumber

MaxSpeed

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�Redmon, J., Divvala, S., Girshick, R., Farhadi, A.You only look once: unified real-time object detection., CVPR (2016)