2018AtrialSegmentationChallenge数据准备TheLeftAtrium(LA)MRdatasetfromtheAtrialSegmentationChallenge数据集下载地址：Data–2018AtrialSegmentationChallenge(cardiacatlas.org)数据集结构：Training_Set├──0RZDK210BSMWAA6467LU│├──laendo.nrrd│└──lgemri.nrrd├──1D7CUD1955YZPGK8XHJX│├──laendo.nrrd│└──lgemri.nrrd......Testing_Set├─