Inthispaper,thetechniqueofquasi-losslesscompressionbasedontheimagerestorationispresented.Thetechniqueofcompressiondescribedinthepaperincludesthreesteps,namelybitcompression,correlationremovingandimagerestorationbasedonthetheoryofmodulationtransferfunction(MTF).Thequasi-losslesscompressioncomestoahighspeed.Thequalityofthereconstructionimageunderrestorationisuptoparofthequasi-losslesswithhighercompressionratio.TheexperimentsoftheTMandSPOTimagesshowthatthetechniqueisreasonableandapplicable.
