Papers › Duncode Characters Shorter
Duncode Characters Shorter
Changshang Xue
This paper investigates the employment of various encoders in text transformation, converting characters into bytes. It discusses local encoders such as ASCII and GB-2312, which encode specific characters into shorter bytes, and universal encoders like UTF-8 and UTF-16, which can encode the complete Unicode set with greater space requirements and are gaining widespread acceptance. Other encoders, including SCSU, BOCU-1, and binary encoders, however, lack self-synchronizing capabilities. Duncode is introduced as an innovative encoding method that aims to encode the entire Unicode character set with high space efficiency, akin to local encoders. It has the potential to compress multiple characters of a string into a Duncode unit using fewer bytes. Despite offering less self-synchronizing identification information, Duncode surpasses UTF8 in terms of space efficiency. The application is available at \url{https://github.com/laohur/duncode}. Additionally, we have developed a benchmark for evaluating character encoders across different languages. It encompasses 179 languages and can be accessed at \url{https://github.com/laohur/wiki2txt}.
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