Classification of the Structure of Square Hmong Characters and Analysis of Its Statistical Properties

  • Li-Ping MoEmail author
  • Kai-Qing Zhou
  • Liang-Bin Cao
  • Wei Jiang
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11109)


Analysis of the character structure characteristics can lay an information foundation for the intelligent processing of square Hmong characters. Combined with the analysis of character structure characteristics, this paper presents a definition of the linearization of square Hmong characters, a definition of equivalence class division of the structure of square Hmong characters, and proposes a decision algorithm of structure equivalence class. According to the above algorithm, the structure of square Hmong characters is divided into eight equivalent classes. Analysis of the statistical properties, including the cumulative probability distribution, complexity, and information entropy of square Hmong characters appearing in practical documents, shows that, first, more than 90% of square Hmong characters appearing in practical documents are composed of two components, and more than 80% of these characters possess a left-right, top-bottom, or lower-left-enclosed structure, second, the number of mean components in a square Hmong character is slightly greater than 2, third, the information entropy of the structure of Hmong characters is within the interval (1.19, 2.16). Results reveal that square Hmong characters appearing frequently in practical documents follow the principle of simple structure orientation.


Information entropy Probability distribution Square Hmong character Statistical analysis 



This work is supported by the National Natural Science Foundation of China (Nos. 61462029 and 61741205).


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© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Li-Ping Mo
    • 1
    Email author
  • Kai-Qing Zhou
    • 1
  • Liang-Bin Cao
    • 1
  • Wei Jiang
    • 1
  1. 1.College of Information Science and EngineeringJishou UniversityJishouChina

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