特とく徴ちょう抽ちゅう出しゅつMeaningsNoun1. feature extractionKanji used特special徴sign (of something)抽take out出exitComposed of特とく徴ちょうfeature; trait; characteristic; peculiarity; distinctionNoun抽ちゅう出しゅつextraction; abstraction; selection (from a group); samplingNoun