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Multiple target detection in video using quadratic multi-frame correlation filtring...

by Ryan A Kerekes, B. V. K. Vijaya Kumar
Publication Type
Conference Paper
Publication Date
Page Number
0
Volume
6977
Conference Name
22nd Congress of the International Commission for Optics: Light for the Development of the World
Conference Location
Orlando, Florida, United States of America
Conference Date
-

Most integrated target detection and tracking systems employ state space models to keep track of an explicit number of individual targets.Recently,anon-state-spaceframeworkwasdevelopedforenhancingtargetde-tectioninvideobyapplyingprobabilisticmotionmodelstothesoftinformationincorrelationoutputsbeforethresholding.Thisframeworkhasbeenreferredtoasmulti-framecorrelationfiltering(MFCF),andbecauseitavoidstheuseofstate-spacemodelsandtheformationofexplicittracks,theframeworkiswell-suitedforhan-dlingsceneswithunknownnumbersoftargetsatunknownpositions.Inthispaper,weproposetousequadraticcorrelationfilters(QCFs)intheMFCFframeworkforrobusttargetdetection.Wetestourdetectionalgorithmonrealandsynthesizedsingle-targetandmulti-targetvideosequences.SimulationresultsshowthatMFCFcansignificantlyreduce(tozerointhebestcase)thefalsealarmratesofQCFsatdetectionratesabove95%inthepresenceoflargeamountsofuncorrelatednoise.WealsoshowthatMFCFismoreadeptatrejectingthosefalsepeaksduetouncorrelatednoiseratherthanthoseduetoclutterandcompressionnoise;consequently,weshowthatfiltersusedintheframeworkshouldbemadetofavorclutterrejectionovernoisetolerance.