Deeplearninginneuralnetworks:AnoverviewInrecentyears,deepartificialneuralnetworks(includingrecurrentones)havewonnumerouscontestsinpatternrecognitionandmachinelearning.Thishistoricalsurveycompactlysummarizesrelevantwork,muchofitfromthepreviousmillennium.ShallowandDeepLearnersaredistinguis