ion,registration error can be controlled wi也in the desired mnge,simultaneously,time—consuming was shortened man the mercial so金ware.Р2.The OBERON soRware can monitor the respiratory moVement in real.time an d convert it into eHDr;也e respirato巧mollitomg module c锄reduce the registration error caused by the respiratory motion in the di髋rent ta曙et points of也e liVer,butРfor t11e target point near the surf.ace of me leR lateral lobe,tlle regis仃acion erfor is greater thall tllat of tlle o也er ta培et point.Р3.The respiratory monitoring module in tlle OBERON sof撕are caIl present theРrespiratory phase errOIr and the regis仃ation error caused by respiratory motion can be reduced to some eXtent.Р【Key words】:Muhimodal imaging;Fusion regis仃ation;Respiratory motion;LiVer neoplasms;AblationР9Р解放军医学院博士学位论文Р10