character recognition
noun [ U ] uk/ˌkær.ɪk.tə rek.əɡˈnɪʃ.ən/ us/ˌker.ɪk.tɚ rek.əɡˈnɪʃ.ən/
（电子设备识别印刷或手写的字母或数字的）字符识别
the ability of an electronic device to recognize printed or written letters or numbers
Compare: optical character recognition