optical character recognition

UK: /ˈɒptɪkə‍l kˈæɹɪktɐ ɹˌɛkəɡnˈɪʃən/   US: /ˈɑptɪkəɫ ˈkɛɹɪktɝ ˌɹɛkəɡˈnɪʃən/, /ˌɹɛkɪɡˈnɪʃən/