character recognition
noun/ˈkærəktə rekəɡnɪʃn/
/ˈkærəktər rekəɡnɪʃn/
[uncountable]- the ability of a computer to read numbers or letters that are printed or written by hand
字符识别（计算机读取印刷或手写数字或字母的能力） Oxford Collocations DictionaryCharacter recognition is used before these nouns:- software