Kihl Tae Yeong, Kim Suk Il, Kim Hong Gi

The Transactions of the Korea Information Processing Society (1994 ~ 2000), Vol. 5, No. 3, pp. 703-714, Mar. 1998
10.3745/KIPSTE.1998.5.3.703,   PDF Download:

Abstract

Translation of a Korean text into a braille text causes no problem under the existing Korean braille-code System that maintains 1:1 correspondence between Korean characters and braille codes. However, reverse translation of a braille text into a Korean text would cause unavoidable mis-translation due to 1:N correspondences between braille codes and Korean characters. The analysis shows that in Korean braille-code System, the major reasons for mis-translation are the conflicts between Korean Chosung (initial consonant) letters and numbers, between Korean Jongsung (final consonant) letters and punctuations, between Korean Jongsung (final consonant) letters and English mode delimiter codes, and overlapping use of the same braille code such as opening and closing parentheses. In this paper, we firstly established a reverse translation rule, that is to use an ordinary braille code unless the braille code causes any conflict in braille code sequences. If any ordinary braille code may cause some conflict during the reverse translation, and extended braille code that we propose in this paper must be used. In the experimentation, we cannot get any translation errors with the newly designed braille-code System compared with 25% of errors with the existing braille-code System.

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