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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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Site1(Adachi Ward) Site2(Murorancity)

Site4(KonanWard) Site1-4(Allcities)

Site3(IchiharaCity)

DamageType

RoadWidth

DamageLevel

TrafficVolume

MaxSpeed

LaneNumber

RoadType

DamageType

RoadType

RoadWidth

DamageLevel

TrafficVolume

LaneNumber

MaxSpeed

RoadWidth

DamageType

DamageLevel

MaxSpeed

RoadType

TrafficVolume

LaneNumber

DamageType

RoadWidth

DamageLevel

TrafficVolume

MaxSpeed

LaneNumber

RoadType

DamageType

RoadType

RoadWidth

DamageLevel

TrafficVolume

LaneNumber

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

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