• Proceedings of the Korea Information Processing Society Conference
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• 2007.05a
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• pp.690-693
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• 2007

훈민정음 창제당시의 모든 한글 음절을 모두 표현함에 있어서 현재의 컴퓨터 환경은 표현방법과 폰트의 부족으로 입력 및 출력을 완전하게 할 수 없다. 본 연구에서는 훈민정음해례에서 정의한 약 399억 음절을 컴퓨터 위에서 표현할 수 있는 폰트를 제작함에 있어서 글꼴 설계의 경제적이고 효율적인 방법을 개발하는 데 초점을 둔다. 그렇게 하려면 완성형이 아닌 조합형 글꼴 설계가 요구되며, 자소들을 복자모를 뺀 오직 낱자소만으로 제작함으로써, 음절구성 형태에 따른 낱자소 8개 형식과 세 가지 타입으로 설계한다. 즉, 컴퓨터상에서는 모든 한글이 낱자소만 이용하여 풀어쓰기 형태로 입력되며, 화면에 출력할 때는 풀어쓰기 형태의 자소들을 모아쓰기로 표현하여 낱자소를 초성, 중성, 종성만으로 둘 또는 세 글자 복자모로 확장하여 표현한다. 그러므로 최소한의 폰트모양을 이용하여 훈민정음 창제 당시의 모든 한글 399억 음절을 컴퓨터에 표현할 수 있도록 한다.

• Annual Conference on Human and Language Technology
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• 1991.10a
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• pp.155-158
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• 1991

정보교환용 한글부호계는 훈민정음창제원리와 ISO 2022 권고안이 그 바탕이 되어야 현행의 모든 한글 부호계가 가진 문제의 해결이 가능하다. 한글 부호계는 정음 28자를 기본 체계로하여 연서법, 병서법, 부서법, 성음법등에 의한 전환을 통하여 다양한 소리를 표기할 수 있도록 규정하고 있다. 그리고 한글 옛글자를 포함한 모든 한국어 정보처리가 가능하도록 부호계가 제정되어야 하고 두벌식 낱자형에서 자음의 이중성으로 인한 부담을 개선한 세벌식 낱자형 부호계를 제안하고 궁극적으로 정보교환용 한글부호계의 개선도 꾀한다.

• Annual Conference on Human and Language Technology
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• 2008.10a
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• pp.53-57
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• 2008

1987년 정보교환용 부호가 완성음절형 부호계로 개정되면서 한글 음절 표현은 극히 제한되어 컴퓨터상에서 한글의 표현은 제약을 받게 되었다. 1446년 훈민정음이 공포된 후로 목판, 활자시대를 지나서 타자기를 만나면서 한자와 다른 길을 걸어왔다. 특히 컴퓨터시대가 되면서 한글은 타자 이상의 적합성을 가지고 있지만 훈민정음 창제원리에 대한 이해부족으로 음절문자로 분류하여 완성음절형 부호를 지원하게 됨에 따라서 많은 문제를 야기하고 있다. 국제표준인 유니코드에는 세가지 종류의 부호가 반영되어 있는데 음절문자 중심의 부호화이므로 훈민정음의 특성을 해치는 일이며 또한 한글의 과학성을 부정하는 일이기도 하다. 본 논문은 훈민정음 창제원리에 입각하지 않음으로 생긴 문제에 대한 근본적인 해결책으로 훈민정음을 표현하는 최적 폰트 설계 방안을 검토하고 현행의 한글부코드표준의 개선 방향을 제시하고자 한다.

• Annual Conference on Human and Language Technology
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• 2009.10a
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• pp.77-80
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• 2009

훈민정음 창제당시의 모든 한글 음절인 약 399억 음절을 표현하기 위해서 자소형 코드만을 입력하여 이를 조합 음절 형태로 구성하고, 최적 폰트 코드를 출력함으로써 모든 한글을 표현할 수 있었다. 하지만, 이러한 최적 폰트 코드는 모든 한글을 표현하는 데에만 치중하였지만, 키보드로부터 입력되는 자소형 코드와 화면에 음절을 구성하며 출력되는 폰트 코드의 일치하지 않는 문제점이 발생하였다. 이를 해결하기 위해서 본 연구에서는 실험을 통하여 입력된 자소형 코드를 파일입출력을 이용하여 파일로 저장 후 이를 본 연구에서의 옛한글 입력기의 폰트 변환 모듈을 사용하여 음절을 표현하여, 자소형 코드와 폰트 코드와의 일치함을 보이고자 한다.

• Cross-Cultural Studies
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• v.21
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• pp.255-270
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• 2010

Chinese phonology is called 'juexue(絶學)' in Chinese linguistics field. For this, students of in Chinese universities as well as college students in Korea is unwilling to learn it. Chinese character phonetic is a very valuable resource in Sino-China comparative study as well as the Chinese phonology area. This study was attempt to develop the content model on education of Chinese phonology, such as Middle Chinese, Old Chinese, using close the data of Chinese character phonetic for students of Korea. In addition, I also make it known that contents of this paper is not a new discovery or analysis but recycling research of existing.

• Journal of Conservation Science
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• v.37 no.5
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• pp.590-605
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• 2021

The history of printing technology in Korea is studied by investigating existing ancient documents and records and comparing accumulated data and knowledge. Cultural property research requires non-destructive testing and observation with the naked eye or aided by a microscope. Researchers' experience and knowledge are required even though they cannot guarantee the outcome. For ancient documents and records that are presumed to consist of woodblock printing, wood type printing, metal type printing, or their combinations, each researcher draws various opinions and conclusions. This often causes confusion and divides the opinions of ordinary citizens and field specialists. Among them, the criteria for judging ancient documents or books printed using woodblock and metal movable material are ambiguous. Academic research on the development history of printing technology in ancient Korea has been stagnant, and conflicts among researchers have also erupted. Involvement of national investigative agencies not specialized in cultural properties has exacerbated the situation. In this study, we investigated printing characteristics that are likely to serve as more objective judgment criteria by quantitatively analyzing the experiments of retrieving several sheets of Korean paper (Hanji) using a replicated Hunminjeongeum (訓民正音) woodblock and quantitatively analyzing the images of the printed papers. In addition, the validity and questions for the typical phenomena presented as a method for distinguishing between woodblock and metal print are reviewed. We investigated the possibility of developing new objective judgement criteria through quantitative analysis using image analysis and investigating the printing characteristics of Korean paper through a reproduction experiment of woodblock printing.

• Phonetics and Speech Sciences
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• v.10 no.1
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• pp.57-64
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• 2018

The purpose of the present study was to explore the radiological and acoustic characteristics of "Arae-a" (/${\cdot}$/) articulation in two male Jeju language speakers, focusing on selected measures in radiological images derived from computed tomography scans, as well as the first and the second formant measures in selected vowels. An elderly male speaker (a 78-year-old) and a young male speaker (a 34-year-old) participated in the study. During the production of four selected vowels, the shape of the vocal tract was identified, and selected measures were obtained from the elderly participant's computed tomography (CT) scans. For acoustic analysis, the participants were given a list of near-minimal pairs consisting of 112 words and asked to read them aloud. The results indicated that the "Arae-a" (/${\cdot}$/) articulation of the elderly speaker showed unique acoustic and radiological characteristics compared to other similar vowels, thus presenting substantial consistency with the descriptions of the "Hunminjeongeum Haeryebon." In contrast, the F1 and F2 measures of the young male's /${\cdot}$/ articulation were not distinguished from those of /ㅗ/. Current results, in part, support the scientific principles underlying the invention of "Arae-a," which reflects the shape of the vocal tract during production, and the necessity for further research.

• Journal of Korean Medical classics
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• v.21 no.3
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• pp.103-117
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• 2008

At first, we explained concepts of Oseong(五聲) in "Akhakgwebeom(樂學軌範)" and then compared them with O-eum(五音) in "Hwangjenaegyeong(黃帝內經)". In that progress we can have recognized the commonness and differences between two texts, and became familiar with ideas of sounds in minds of ancients. That ideas are concerned with true nature of human and cosmos. Based on that ideas, we could return to stasis of mutual understanding with each other, it means a condition of harmony. For that purpose we must understand detail meanings of O-eum(五音) and Oseong(五聲), and this analysis lead clinical music therapy to do an important thing as methodology of treating human body and minds. The ideas of O-eum(五音) in "Akhakgwebeom(樂學軌範)" are not exactly corresponded to vocalization of Hunminjeongeum(訓民正音) that is Korean characters, and Oseong(五聲) in "Hwangjenaegyeong(黃帝內經)". But this dissonancy is a problem of methodology, on the contrary, there are many common concepts and possibilities of application to practical uses between them.

• Korean Journal of Cognitive Science
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• v.28 no.4
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• pp.223-243
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• 2017

A Hangul input method consists of two core components: key layout for primitive units (Natja), and binding rules to form more complex, composite units from primitive ones. However, careless design and implementation of an input method may result in ambiguity and inability of contiguous typing, when it comes to handle composite Hangul units. This is due to the collective nature of Hangul, namely, existence of implicit boundaries between units and syllables. This issue gets more challenging for the context-dependent 2-beolsik method, mobile environment having significantly fewer keys, and yet addition of the support for Old Hangul. For the sake of the management of complexity, we devised a system in which the binding rule is divided into two layers rather than one. Based on this concept, we implemented a tool program that, given the primitive units and their binding rules, generates input details of every composite unit and detects any potential ambiguity and conflicts. We presented the actual analysis result for Samsung Cheonji-in and KT Naratgeul, two of the most popular mobile Hangul input methods used in Korea.

• Journal of Internet Computing and Services
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• v.22 no.4
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• pp.29-49
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• 2021

This paper proposes the Hunminjungum Keypad that applied the creation principle of Hunminjungum to the design of keypad. The proposed keypad arranged 28 letters of Hunminjungum to have correlations with each other between consonants, between vowels, and between consonants and vowels. That is, Consonant buttons are arranged by grouping letters of the same sound by sounds of five voices. And the vowel buttons are arranged at the bottom and the right side of the consonant area according to the position where a vowel is attached to the consonant. In the meantime, Hangul keypads have mainly used 12 button keypads in 4 lines and 3 columns. These keypads have structurally disadvantageous in the touch count and moving distance. Recently, keypads with many letter buttons such as QWERTY and single-vowel are also used a lot. If the number of letter buttons provided in the keypad increases, touch count decreases. And If the letter buttons are arranged to have a correlation with each other, the moving distance becomes smaller. The experimental results show that the proposed keypad has high efficiency in all evaluation factors such as touch count, moving distance and input time.