evaluation.py 文件源码

def track_decoding(self, decoded_str, expected_str):
    self.letter_edit_distance = editdistance.eval(expected_str, decoded_str)
    self.letter_error_rate = self.letter_edit_distance / len(expected_str)
    self.word_edit_distance = editdistance.eval(expected_str.split(), decoded_str.split())
    self.word_error_rate = self.word_edit_distance / len(expected_str.split())
    self.sum_letter_edit_distance += self.letter_edit_distance
    self.sum_letter_error_rate += self.letter_error_rate
    self.sum_word_edit_distance += self.word_edit_distance
    self.sum_word_error_rate += self.word_error_rate
    self.decodings_counter += 1