• Journal of Advanced Navigation Technology
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• v.28 no.3
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• pp.369-374
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• 2024

This study aims to improve the accessibility and efficiency of sign language education for both hearing impaired and non-deaf people. To this end, we developed VR realistic sign language education content that integrates hand tracking technology and conversational AI. Through this content, users can learn sign language in real time and experience direct communication in a virtual environment. As a result of the study, it was confirmed that this integrated approach significantly improves immersion in sign language learning and contributes to lowering the barriers to sign language learning by providing learners with a deeper understanding. This presents a new paradigm for sign language education and shows how technology can change the accessibility and effectiveness of education.

• The Journal of the Convergence on Culture Technology
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• v.10 no.3
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• pp.635-641
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• 2024

Based on Merleau-Ponty and Lakoff's research on the inseparability of body and mind, this thesis seeks to explore the impact of experiences in multi-layered spaces based on media art on the understanding of human existence. The sensory experience provided by media art strengthens the viewer's physical presence and induces a new perception of reality by blurring the boundaries between reality and virtuality. Through this, it shows that it is possible to newly recognize and explore the deep relationship between human existence and the world. This paper analyzes how media art can be an important means of expanding existential experience through the connection between body and mind, and explains how the combination of art and technology contributes to ontological understanding.

• Management & Information Systems Review
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• v.17
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• pp.83-105
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• 2005

인터넷은 한국사회 전반에 많은 변화를 초래하였다. 인터넷이 빠르게 확산되어 2004년 말에 인터넷 이용자 3,000만 명 시대를 열었고 이동전화, 초고속 인터넷 등 새로운 정보기술이 보편적으로 활용되는 단계에 이르렀다. 그에 따라 개인 홈페이지가 커뮤니케이션의 새로운 수단으로 자리 잡았고, 이에 따른 새로운 네티즌 문화를 탄생시켰다. 사회문화적 측면에서 그동안 정보화가 창출한 가장 큰 변화는 조직사회의 변화, 교육환경의 변화, 문화생활의 변화를 들 수 있다. 인터넷이 조직사회에 미친 영향은 전통적인 연공서열식 피라미드형 조직구조가 새로운 네트워크형 조직으로 발전하였으며, 노동시장도 장소에 구애받지 않고 이동원격근무(mobile Office)로 발전하는 추세이다. 그리고 교육환경은 가상공간을 통한 다양한 교육정보 접근기회를 확대하고 있으며, 사람들의 사고방식, 생활양식, 가치관의 변화도 수반하고 있다. 반면에 인터넷 사회는 한국사회 전반의 변화와 함께 정보화의 역기능 현상도 다양하고 광범위하게 확산되고 있다. 인터넷이라는 온라인상에서 다양한 주제로 서로 만나고 정보를 교환하는 사이버 공동체(Cyber Community)는 온라인 공간에 한정되는 것이 아니라 현실공간으로 확장되어 나타나고 있으며, 인터넷 중독문제는 개인뿐만 아니라 가정과 사회에도 부정적 영향을 끼치고 있을 뿐만 아니라 안티사이트도 진정한 대안문화로 자리 잡지 못하고 인터넷의 익명성을 이용해 무차별적인 비방과 욕설이 난무한 과도기적 현상을 보이고 있다. 이제 인터넷은 한국사회의 모든 것과 깊은 관련을 맺는 매우 중요한 일부분이 된 것이다. 인터넷은 20세기 공학기술이 성취한 위대한 업적 중의 하나이다. 인터넷은 단순히 정보화 사회를 실현하는 것이 아니라 인간의 삶의 가치, 생활의 편익 등을 증대한다는 믿음 때문이다. 한편 현실은 여러 가지 역기능이 함께 나타나고 있다. '네티즌 윤리강령'까지 선포했지만, 진정한 네티즌 윤리는 강령을 선포했다고 저절로 확립되는 것이 아니다. 네티즌 각자의 실천의지가 있어야 한다. 인류가 새로운 이상향이라고 추구하는 가상사회는 윤리적인 사고와 행동으로 질서를 유지하지 못하면 인류의 밝은 미래는 보장할 길이 없다. 21세기 정보화 사회, 인터넷 사회를 맞이한 우리는 이 세상을 참으로 살기 좋은 세상으로 만들어야 할 고귀한 책무를 안고 있다. 아무리 험한 길, 어려운 과제라 할지라도 그 목표를 잃어서는 안 되며, 그 해답을 얻는 노력을 결코 게을리 해서는 안 된다.

• Journal of the Korean GEO-environmental Society
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• v.3 no.3
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• pp.27-36
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• 2002

Generally, it is known that urethane injection is excellent in long-term durability and environment friendly for ground improvement. However, urethane grouting has short rise time thus the penetration distance from the injection point is so short. Therefore, urethane injection cannot be used for the site where requires ground improvement in deep location from the injection point. Other injection materials such as cement cannot be alternatives when rapid hardening is required. From this study, we improve disadvantage urethane injection by developing TAS method. From the field tests, it is ascertained that TAS increases injection distance over 10m, which is further than that of original urethane grouting. In addition, TAS has relatively short Rise-time compared to cement grouting thus instantaneous improvement can be mobilized right after the injection. Short Rise-time and long penetration distance provide excellent applicability for tunnel construction.

• Journal of KIISE:Computer Systems and Theory
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• v.37 no.6
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• pp.354-367
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• 2010

There are many methods for analyzing patterns in time series data. Although stock data represents a time series, there are few studies on stock pattern analysis and prediction. Since people believe that stock price changes randomly we cannot predict stock prices using a scientific method. In this paper, we measured the degree of the randomness of stock prices using Kolmogorov complexity, and we showed that there is a strong correlation between the degree and the accuracy of stock price prediction using our semi-global alignment method. We transformed the stock price data to quantized string sequences. Then we measured randomness of stock prices using Kolmogorov complexity of the string sequences. We use KOSPI 690 stock data during 28 years for our experiments and to evaluate our methodology. When a high Kolmogorov complexity, the stock price cannot be predicted, when a low complexity, the stock price can be predicted, but the prediction ratio of stock price changes of interest to investors, is 12% prediction ratio for short-term predictions and a 54% prediction ratio for long-term predictions.

• Journal of the Korean Society of Safety
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• v.12 no.3
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• pp.178-184
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• 1997

Many mathematical techniques have been developed to determine the muscle forces and force distribution in biomechanical human model, because it is so important to understand internal forces resisting external loading. However, a three-dimensional mathematical model of wrist joint, which is essential to develop solid modeling and artificial wrist joint, has not been well developed. This study proposed to define three-dimensional mathematical model of distal radius and ulna of the human wrist and to develop a detailed two-dimensional finite element through comparisons to existing analytical models and experimental tests. This mathematical model were accurately recreated, allowing the internal tendon force as well as force transmission and distribution through the distal radios and ulna during dynamic loadings. The results found in this study indicate and support the findings of other investigator that cyclic loading condition results in higher compression force on distal radius and ulna and may be source of wrist disorder.

• Korean Journal of Plant Taxonomy
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• v.37 no.4
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• pp.529-543
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• 2007

It was revaluated about taxonomical position of the Tilingia tsusimensis (Yabe) Kitagawa (Apiaceae) collected from Mt. Gaya, Mt. Geumo, and Mt. Songni in Korea. Its diagnostic features include slightly dorsally compressed mericarps, acute-prominent ribs, ternate leaves, and dimorphic white petals. It is morphologically similar to Cymopterus and Pimpinella in having ternate leaves. It is distinguished from Cymopterus having asymmerty mericarps, 3-4 mericarp ribs, and winged dorsal ribs. Pimpinella differs in having slightly laterally compressed mericarps without ribs and conspicuous calyx teeth. Also, it looks like Angelica with obsolete calyx teeth and multilayer pericarps, but is distinguished by having its broadly winged lateral ribs and strongly dorsally compressed mericarps. Tilingia tsusimensis formed a monophyletic clade or sister group relationship with a genus Angelica based on ITS sequences. Based on the above observations, we conclude that this plant is here referred to T. tsusimensis (Yabe) Kitagawa.

• Korean Journal of Environment and Ecology
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• v.11 no.2
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• pp.149-159
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• 1997

Eleven plots(10m*10m) were established in Pinus densiflora forests and analized in with TWINSPAN and DCA techniques, to study the comparison of the structure of plant community by soil depth in Ulsan Grand Park. As a result of this analyusis, the communities were divided into two groups : Community B which have shallow one. Community A showed climatic climax which have proceeded from Pinus densiflora to Quercus variabilis, Castanea crenata, Platycarya strobilacea, and at last to Carpinus laxiflora. Community A showed climatic climax which have proceeded fro, Pimus densiflora to Quercus variabilis, Castanea crenata, Platycarya strobilacea, and at last to carpenus laxiflora. Community B showed edaphic climax in sere of Pinus desiflora. The diffrernce of the growth of tree height was showed significantly between two communities. The sample tree aged 30 in Community A was 8.50m high and the sample tree aged 35 in Community B was 3.80m high. Community A was better than Community B in soil characteristics and species diversity indicies.

• Tuberculosis and Respiratory Diseases
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• v.43 no.1
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• pp.88-91
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• 1996

Acute epiglottitis is a life threatening inflammatory. disease of the upper airway mainly in children, however, the recent reports about acute epiglottitis in adults are increasing. The common symptoms are sore throat, dysphagia, dyspnea and salivary drooling. As the laryngeal edema progresses, the patient sits up, leans forward, with the chin thrust forward, having obvious difficulty breathing. Early recognition and proper airway maintenance until the inflammatory edema subsides are essential steps to avoid a possible life threatening upper airway obstruction. We experienced two cases of acute epiglottitis with sitting up position, chin thrust forward, having dyspnea.

• Journal of the Korean Society for Library and Information Science
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• v.49 no.1
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• pp.223-246
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• 2015

This study examined the characteristics of Buddhist books printed using metal type during the Joseon Dynasty period from a bibliographical perspective. It was found that there are 36 kinds of Buddhist books published using metal type during the Joseon Dynasty period that currently exist. In terms of the types used for publication, there were 9 kinds of printed editions by Gapinja, 13 kinds of printed editions by Eulhaeja, 2 kinds of printed editions by Jeongchukja, 3 kinds of printed editions by Eulyuja and 9 kinds of printed editions by Jeonsaja. Among them, The Buddhist books printed using Eulhaeja were 36 % of total with the highest quantity of 13 kinds. In terms of periods of publication, it was found that 27 kinds and 9 kinds of Buddhists books were published respectively in the first and latter parts of Joseon Dynasty periods. Among them, there were 19 kinds of metal type book editions published during the King Sejo period that occupied 70% of total. It appears that such phenomenon was a result of King Sejo's abnormal enthronement and Buddhism-friendly tendency.