• Title/Summary/Keyword: hangeul

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An Application of Fuzzy Decision Trees for Hierarchical Recognition of Handwriting Symbols (퍼지 결정 트리를 이용한 온라인 필기 문자의 계층적 인식)

  • 전병환;김성훈;김재희
    • Journal of the Korean Institute of Telematics and Electronics B
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    • v.31B no.3
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    • pp.132-140
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    • 1994
  • SCRIPT (Symbol/Character Recognition In Pen-based Technology) is an algorithm for on-line recognition of handwriting Hangeul. English upperacase letters, decimal digits, and some keyboard symbols. The shape of handwriting symbols has a large variation even when written by the same person. Though the feature analysis approach using a conventional decision tree is efficient, it is not robust under shape variations and prone to misclassification. Thus, a new method to overcome this shortcoming is necessary. In this paper, a feature analysis algorithm using two fuzzy decision trees which utilize the hierarchical property of the pattern is proposed. The first tree is used to represent the stroke shape, and the other tree is used to represent the relation between the strokes. since this method stores various possibilities. it is robust to shape variations and can readily modify false selections. In addition, there is a large increase in the recognition rate of high-level patterns due to low-level candidated. Experimental results show 91% recognition rate for Hangeul at the recognition speed of 0.33 second per character, and the recognition rate of alphanumerics and some keyboard symbols is 95% at 0.08 second per symbol. This is 8~18% increase in the recognition rate over th method not applying fuzzy decision trees.

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Species Diversity of Plecoptera(Insecta) in the Korean Peninsula (한반도 강도래목(곤충강)의 종다양성)

  • Ham, Soon-Ah
    • Korean Journal of Environmental Biology
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    • v.27 no.1
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    • pp.100-109
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    • 2009
  • Korean Plecopteran research was started in 1921, and it has advanced greatly during last 20 years. Among families the family Nemouridae and Chloroperlidae are composed of plentiful species. Since North Korean Plecopteran research was begun in 1938, it made good progress by foreigners not North Korean in the 1970's. Subsequently a few species has been added up recently, and among families the family Perlidae and Nemouridae contain most abundant species. Totally Korean Plecoptera consists of 43 species in 25 genera in 10 families, and North Korean 37 species in 26 genera in 10 families. Among them 13 species are common in both. And Korean names of Plecopteran species were mixed in Hangeul-type and Chinese-type, on the other hand in North Korean names there were some cases of Hangeul-type, but most of species have no Korean names. In Korea, particularly Ministry of Environment designated and controlled domestic biological resources as Korean Species that Require Approval when shipping abroad and Korean endemic species, which include 9 species and 11 species in Plecoptera respectively. Finally two genera and four species gained new Korean names as follows: genus Megaleuctra (Keun-Kkoma-Gang-Do-Rae-Sok), genus Haploperla (Han-Nok-Saek-Gang-Do-Rae-Sok), Nemoura brevicercia (Min-Gang-Do-Rae), Nemoura espera (Kkot-Min-Gang-Do-Rae), Amphinemura baei (Je-Ju-A-Ga-Mi-Min-GangDo-Rae) and Amphinemura rai (A-Ga-Mi-Min-Gang-Do-Rae).

The Perceptions and Description Patterns of the History of Ancient Korean Literature in Two Books on the History of Korean Literature Written in Japanese (일본 '한국문학사'에서의 한국고전문학사 인식과 서술양상)

  • Ryu, Jung-sun
    • Cross-Cultural Studies
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    • v.48
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    • pp.1-30
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    • 2017
  • The purpose of this study is to review two books on the history of Korean literature written in Japanese, taking special interest in ancient Korean literature, examining transcultural patterns between the history of North and South Korean literature and that of Japanese literature, and thereby identifying perceptions and description patterns of the history of Korean literature from the perspective of comparative literature. This study analyzes two books with the same title The History of Joseon Literature written in Japanese by Kim Dongwook and Byeon Jaesoo. The two books are not translations of Korean books but were written in Japanese for Japanese and ethnic Korean readers in Japan. The History of Joseon Literature (1974) by Kim Dongwook mainly compares Joseon literature with Japanese literature. The History of Joseon Literature (1985) by Byeon Jaesoo, an ethnic North Korean in Japan, was written from socialistic perspectives. The two books have different standards for evaluating value of the history of Joseon literature and different perceptions about it. Due to the division between North and South Korea, the history of literature is unfolding in different ways in the two Koreas, and the two books reflect such differences. However, they have several common features. For example, they highly regard the value of literature written in Chinese characters and originality of hangga (a folk song of Silla), Hangeul (the Korean alphabet), and pansori (a form of Korean folk music in which a singer accompanied by a supportive drummer sings and chants an epic story). In addition, they both demonstrated that literature written in Hangeul and that written in Chinese characters interacted with each other as the same Korean literature. When the two books were written, the history of Korean literature had been considered a subunit of the history of East Asian or Chinese literature. However, as this study found, Kim and Byeon wrote the two books from a perspective of departing from this view based on nationalism, re-establishing the value of Korean literature, promoting Japanese people's understanding of the high quality of Korean literature, and imbuing ethnic Koreans in Japan with nationalistic pride.

A Study on Compression and Decompression of Bit Map Data by NibbleRLE Code (니블 RLE 코드에 의한 비트 맵 데이타의 압축과 복원에 관한 연구)

  • Jo, Gyeong-Yeon
    • The Transactions of the Korea Information Processing Society
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    • v.2 no.6
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    • pp.857-865
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    • 1995
  • In this paper, a nibble RLE(Run Length Encoding) code for real time compression and decompression of Hanguel bit map font and printer data is proposed. The nibble RLE code shows good compression ratio in complete form Hangeul Myoungjo and Godik style bit map font and printer output bit map data. And two ASICs seperating compression and decompression are designed and simulated on CAD to verify the proposed code. The 0.8 micron CMOS Sea of Gate is used to implement the ASICs in amount of 2, 400 gates, and these are running at 25MHz. Therefore, the proposed code could be implemented with simple hardware and performs 100M bit/sec compression and decomression at maximum, it is good for real time applications.

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A Recognition Algorithm of Hangeul Alphabet Using 2-D Digital filtering (2차원 디지털 필터링에 의한 한글 자모의 인식 알고리즘)

  • O, Gil-Nam;Sin, Seong-Ho;Jin, Yong-Ok
    • Journal of the Korean Institute of Telematics and Electronics
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    • v.21 no.3
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    • pp.55-59
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    • 1984
  • This paper describes a method of Hangout recognition using 2 - D digital filtering. The 170 patterns classified by the positions of the initial sound (consonant), middle sound (vowel) and terminal sound (consonant) of the 1,659 characters were established and models formed by using 2 - D digital filtering for each patterns were obtained. Based on these models we proposed an algorithm that can recognize KOREAN combinational characters by separating patterns from them with superpostion principles. As a result of simulation, 100% of recognition rate is obtained in the case of the print letter.

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A Comparative Study on the Romanization of Korean and Japanese with English as the Standard of Pronunciation. (한.일 로마자 표기의 비교연구 - 영어발음기준 -)

  • Kim Bokmoon
    • Proceedings of the KSPS conference
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    • 1996.02a
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    • pp.79-84
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    • 1996
  • The two existing romanization systems in Korea, namely the recently promulgated Ministry of Education version sponsored by the National Academy of Sciences incorporating for the most part the McCune-Reischauer system and the Hangeul Haghoe or the Korean Language Society's version, must be judged as failures: He fennel for its disregard of Korean orthography and pronunciation, use of Latin-oriented pronunciation despite its assertion that English is the standard used, and the greatest weakness of all, its use of phonetic symbols neither found in regular typewriters, teleprinters, word processors and telex machines nor understood by laymen, sometimes not even by specialists. And the latter suffers from its undue emphasis on Korean orthography, Latin-oriented pronunciation being only partly capable of representing Korean pronunciation, among other shortcomings. Since the two existing romanization systems of Korean in South Korea, and romanization system of Japanese with Latin-oriented pronunciation are woefully inadequate, in today's world where English is used as if it were the international language almost all over the world, the present writer has invented a completely new system of romanizing Korean and Japanese by the so-called pseudo-phonetic method. This method employs the roman letters only and uses thorn in place of phonetic symbols as long as the letters thus applied are believed to have constant sound value. The English pronunciation is the standard used for this system.

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A Study on the Hangeul Information Resources Produced by Korean and Those Contents in Russia: 1900-1937 (러시아에서의 고려인이 생산한 한글정보자원에 관한 연구 : 1900-1937)

  • Kim Jeong-Hyen;Chang Woo-Kwon;Kim Hong-Gil
    • Journal of Korean Library and Information Science Society
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    • v.37 no.3
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    • pp.357-379
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    • 2006
  • The goal of this study is to investigate and analyse the formative process of the Korean information resources, Korean society, and bibliography and those contents with reference to Korean in Russia. The Research proper time is 1900-1937. Documents analysis, and direct observation and interviews were used as research methods. This paper consists of as follows' developing and taking form Korean society, information resources, and Diaspora, and the form of publication and subject, collection, the period of Korean information resources and those contents, and a conclusion and suggestion.

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Designing an expert system for library classification (문헌분류 전문가시스팀의 설계에 대한 연구)

  • 김정현
    • Journal of Korean Library and Information Science Society
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    • v.21
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    • pp.459-483
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    • 1994
  • The purpose of the study is to design and implement a prototype expert system for library classification in the literature field of the DDC 20. The system was largely consisted of a knowledge base, an inference engine, a knowledge acquisition facility, an explanation facility and an user interface facility. The knowledge base was represented by inference rules and frames. The name file for authors and titles was designed separately. The forward chaining technique was chosen for the inference engine and the menu-driven dialog technique was also taken for the user interface. The conclusions of the study can be summarized as follows: 1) The difficulty of document classification work is due to the complex and stringent classification rules. Such problems can be considerably alleviated by using the present system. 2) Even the novice with a knowledge about the DDC 20 can easily access the system. And also librarian other than the professional classifier can easily be accustomed to the classification work. 3) The system can be used as an online classification scheme. 4) By adding any local language other than English or Hangeul on the menu screen, the language problem relating classification can be overcome. 5) The system can be employed as the intensification tool for the education of classification as well as library automation.

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Application and Evaluation of New Teaching-learning Methods for Computer Education of Students in Special School (특수학교 학생들의 컴퓨터교육을 위한 새로운 교수-학습법 적용과 평가)

  • Mi, Hong-Sung;Kim, Gui-Jung;Kim, Bong-Han
    • The Journal of the Korea Contents Association
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    • v.10 no.9
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    • pp.469-477
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    • 2010
  • In this study, the new teaching-learning method for the students with disabilities is suggested and verified its efficiency. For this purpose, the current teaching-learning method will be examined and compared by attending Hangeul class of the computer training courses in the special schools and regular schools. In addition, for evaluation, the questionnaire survey on the existing teaching-learning method will be conducted for the students with disabilities of the special schools and after applying new teaching-learning method, the questionnaire survey will be conducted again. Through the conducted questionnaire surveys, the impact of the new teaching-learning method on the students with disabilities shall be analyzed.

Research on Natural Language Processing Package using Open Source Software (오픈소스 소프트웨어를 활용한 자연어 처리 패키지 제작에 관한 연구)

  • Lee, Jong-Hwa;Lee, Hyun-Kyu
    • The Journal of Information Systems
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    • v.25 no.4
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    • pp.121-139
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    • 2016
  • Purpose In this study, we propose the special purposed R package named ""new_Noun()" to process nonstandard texts appeared in various social networks. As the Big data is getting interested, R - analysis tool and open source software is also getting more attention in many fields. Design/methodology/approach With more than 9,000 R packages, R provides a user-friendly functions of a variety of data mining, social network analysis and simulation functions such as statistical analysis, classification, prediction, clustering and association analysis. Especially, "KoNLP" - natural language processing package for Korean language - has reduced the time and effort of many researchers. However, as the social data increases, the informal expressions of Hangeul (Korean character) such as emoticons, informal terms and symbols make the difficulties increase in natural language processing. Findings In this study, to solve the these difficulties, special algorithms that upgrade existing open source natural language processing package have been researched. By utilizing the "KoNLP" package and analyzing the main functions in noun extracting command, we developed a new integrated noun processing package "new_Noun()" function to extract nouns which improves more than 29.1% compared with existing package.