create iterator via iterName and params
create iterator via iterName and params
name of iterator; "MNISTIter" or "ImageRecordIter"
parameters for create iterator
created data iterator
create dataPack for iterator via itername and params
create dataPack for iterator via itername and params
name of iterator: "MNISTIter" or "ImageRecordIter"
parameters for create iterator
created dataPack
IO iterators for loading training & validation data