2011cvprlow bit rate roi based video coding for hdtv aerial surveilcvprlow比特率基于航空监视序列编码.pdf

LowBitRateROIBasedCodingforHDTVAerialSurveillance

Sequences

HolgerMeuel,MarcoMunderloh,JörnOstermann

InstitutfürInformationsverarbeitung(),LeibnizUniversitätHannover,Germany

{meuel,munderl,ostermann}@.uni-hannover.de

technique.UsingthecurrentAVC(AdvancedCoding)

standard[11],thePCMdatarateofacolorHDTVsignalcan

becutdowntoabout8–15Mbit

Foraerialsurveillancesystemstwokeyfeaturesareim-/swithoutvisibleamplitude

portant.Firsttheyhavetoprovideasmuchresolutionasdistortionsorlossofspatialresolution.Whenusingastan-

possible,whiletheysecondlyshouldmaketheavail-dardcompliantAVCcoderatalowerbitrate,thiswouldlead

ableatagroundstationassoonaspossible.Recentlysotoqualityscalingorlossofresolution.

calledUnmannedAerialVehicles(UAVs)gotinthefocusFortransmissionofairbornesequencesfromUn-

forsurveillanceoperationswithoperationtargetssuchasmannedAerialVehicles(UAVs)(oraeroplanes)toareceiv-

environmentalanddisasterareamonitoringaswellasmil-inggroundstationthedataratehastobefurtherre-

itarysurveillance.CommontransmissionchannelsforUAVsducedinordertomeettheavailablerelativelylowchan-