s,aparallelfusionmethodofРmultispectralandpanchromaticimagesbasedonAtrous-HIStransformisproposed.Firstly,aserialfusionalgorithmofremoteРsensingimagecombining Atrousand HIStransformisdesigned,anditsdetailedprocessingstepsareanalyzed.Then,theРOpenMPparalleltechnologyisintroducedintothealgorithm,theparallelstrategyisdesigned,theprocessingflowisopti-Р mized,andanefficientparallelimagefusionalgorithmisrealized.TheexperimentalresultsshowthatthemethodcanachieveРfastfusionofmultispectralandpanchromaticimages,havingagoodspeedupratio,goodscalabilityandhighparallelefficiency.Р KeywordsР :remotesensingimagefusion;Atrous-HIS;parallelcomputing;OpenMPРР [责任编校 陈留院 赵晓华]
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