pedestrian

行人检测视频数据(PedestrianDetection)

数据介绍：

Thepastfewyearshaveenincreadawarenessoftheplightof

2003,theEU

pasdPha1ofDirective2003/102/Eonpedestrianprotection,

focussingonpassivesafety,gtoreduceinjurylevelsupon

impact,byspecifyingvariousmaximumimpactcriteria(,leg).

Morerecently,June2008,theEUParliamentapprovedthePha2draft

legislation,whichspecifiesacombinationofpassiveandactivesafety

icular,Pha2requiresnewpasngercarstobefitted

withBrakeAssistSystems(BAS)rianprotection

ismeanwhilealsoamajorthemeforconsumerratinggroupslikeEuro

NCAP.

关键词：

困境,弱势群体,行人,被动安全,标准,

plight,vulnerable,pedestrian,passivesafety,criteria,

数据格式：

VIDEO

数据详细介绍：

PedestrianDetection

Mainlong-termrearchthemeatDaimlerRearchisthevisualpedestrian

detectionfromamovingvehicle

tion

Pedestriansarearguablythemostvulnerabletrafficparticipants.

KilledInjuredTotal

PasngerCars22.502995.0261.017.528

Pedestrians6.049155.151161.200

Mopeds2.421141.870144.291

Bicycles2.385139.442141.827

MotorCycles3.821124.023127.844

Other4.559121.816126.375

Total41.7371.677.3281.719.065

iguresforEUcountriesAccidentSource:

UN-ECE)

Thepastfewyearshaveenincreadawarenessoftheplightofvulnerable

2003,theEUpasdPha1of

Directive2003/102/Eonpedestrianprotection,focussingonpassivesafety,i.e.

meaningtoreduceinjurylevelsuponimpact,byspecifyingvariousmaximum

impactcriteria(,leg).Morerecently,June2008,theEUParliament

approvedthePha2draftlegislation,whichspecifiesacombinationof

icular,Pha2requiresnew

pasngercarstobefittedwithBrakeAssistSystems(BAS)aarlyas2009.

Pedestrianprotectionismeanwhilealsoamajorthemeforconsumerrating

groupslikeEuroNCAP.

Passivepedestriansafetymeasuresinvolvevehiclestructures(,

bumper)thatexpandduringcollisioninordertominimizeimpactofthe

pedestrianlegorheadhittingthevehicle.

Forexample,Mercedes-Benzintroducedtheactivebonnetasstandardforthe

newE-Class(2009).Thesystemincludesthreeimpactnsorsinthefront

ctionaswellasspecialbonnethingespretensionedbypowerfulsprings.

Uponimpactwithapedestrian,therearctionofthebonnetispushed

upwardsby50millimetresinafractionofacond,thunlargingthe

temisreversibleandcanberetmanuallybythe

driver.

&Challenges

Althoughimportant,passivepedestriansafetymeasuresareconstrainedby

thelawsofphysicsintermsofabilitytoreducecollisionenergyandthusinjury

er,passivemeasurescannotaccountforinjuriessustainedinthe

condaryimpactofthepedestrianhittingtheroad.

Yetvision-badpedestriandetectionisadifficultproblemforanumberof

ectsofinterestappearinhighlyclutteredbackgroundsand

haveawiderangeofappearances,duetobodysizeandpo,clothingand

andtypicallyfarawayfromthecamera,and

thusappearrathersmallintheimage,complication

isthatbecauofthemovingvehicle,onedoesnothavetheluxurytou

simplebackgroundsubtractionmethods(suchasthoudinsurveillance

applications)y,there

arehardreal-timerequirementsandstringentperformancecriteria.

reoVisionSystem

detectioncomponentconsistsofacascadeofmodule,eachutilizingdifferent

visualcriteriatosuccessivelyfocusonrelevantimageregions,carefully

ckingcomponent

y,

theriskasssmentandwarning/controlcomponentevaluatestheprobability

ofcollision;ifthelatterexceedsathresholdanacousticdriverwarningisgiven

orautomaticvehiclebrakingis

applied.

Pedestriansaredetectedinarange5-25mandupto4mlateral,oneachside

soatprocessingratesof7-15Hz,allowingvehiclespeeds

upto50km/h.

TheprototypesystemwasintegratedinaMercedes-BenzE-Classlimousine.

Belowtwovideoclipswithrunsonthetesttrackwith“Hans”,ourfearless

estriansystemfirstwarnsthedriveracoustically,

thensoonthereafter,brakesthevehicleautomatically.

dle

windowshowstherectangularregionsofinterestasaresultofstereo

twindowshowsthefinaldetectionsuperimpodinred

htwindowshowsabird’sviewofthesituationinfrontof

thevehicle(sindicatecurrentpedestrian

locations,yellowdotsindicateotherobstacles).

arking

Pedestriandetectionhasmeanwhileattractedanextensiveamountofinterest

chniqueshavebeenpropodin

termsoffeatures,modelsandgeneralarchitectures(erecentsurveyon

pedestriandetection).Thepictureisincreasinglyblurredontheexperimental

edperformancesdifferbyuptoveralordersofmagnitude(e.g.

withinthesamestudy).Thisstemsfromthedifferenttypesofimagedataud

(degreeofbackgroundchange),thelimitedsizeofthetestdatats,andthe

different(often,notfullyspecified)evaluationcriteriasuchaslocalization

tolerance,coveragearea,etc.

Inordertoincreavisibilitybyprovidingacommonpointofreferencefrom

experimentalperspective,wepublishedanumberofpedestrianbenchmarks:

datatsandassociatedperformancemetrics

ts

Rearchonvision-badpedestrian

protectionwaspreviouslyconductedintheEUprojectsPROTECTOR

(2000-2003),SAVE-U(2002-2005)andWATCH-OVER(2005-2008).Itnow

continuesintheGermanAKTIV-SFR(2006-2010)tails...

dAhead

Recently,

example,Mercedes-BenzintroducedtheNightViewAssistPlusinitslatestE-

andS-Class(2009).Twospecialheadlightsilluminatethesceneinthe

Near-InfraRed(NIR)adesignedtopickupprecilythistype

ed

pedestriansarehighlightedinthisgreyscalevideo

asbeenremarkableprogresson

erearchisneeded

beforesuchsystemscanperformactivevehiclecontrolreliably.

AnotherstepclortowardsDaimler’slong-termVisionofAccident-Free

Driving

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