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유현지(Yoo, Hyun-Ji),이면재(Lee, Myoun-Jae),김경남(Kim, Kyoung-Nam) 한국산학기술학회 2010 한국산학기술학회논문지 Vol.11 No.12
무리를 형성하는 NPC들의 인공 지능을 실세계의 무리짓기와 유사하게 구현하는 것은 게임의 재미를 증가시 키는 요인이 될 수 있다. 이를 위하여, 본 논문에서는 분석된 실세계에서의 물고기 무리짓기의 행동 패턴을 설계하고 오우거 엔진을 이용하여 구현한다. 구현된 무리짓기의 효용성을 판단하기 위하여 실세계의 물고기 떼의 행동 패턴과 비교한다. 비교 결과, 구현된 물고기 떼의 행동 패턴과 실세계의 행동 패턴은 비슷함을 보인다. An implementation of NPC AI(artifical intelligence) is similar with real world's flocking can increase fun factor of game. To this end, we design fish flocking patten of analyzed real world, implement using Ogre engine in this paper. To determine the usefulness of implemented fish flocking, we compare fish flocking in real world with implemented fish flocking. Implemented behavioral patterns of fish flocking show similar behavioral patterns of fish flocking in real world.
유현지(Yoo, Hyunji),김향희(Kim, HyangHee) 한국음성학회 2015 말소리와 음성과학 Vol.7 No.1
Changes in speech production in normal elderly might be subtle and gradual. Therefore, an acoustic analysis is appropriate to identify the effect of aging on speech. For this purpose, this study examined four speech parameters; voice onset time (VOT), VOT range, f0 of following vowel(f0FV), and f0FV difference in two age groups, old (mean age 74.57 yrs.) and young (m: 27.43 yrs.). The results show that compared to the older group the younger demonstrated significantly shorter VOTs in lenis and longer in aspirated stop. VOT ranges were relatively broad and consequently overlapped between the phonation types (e.g., lenis, fortis, aspirated). The f0FV values in the older group which are an integral parameter with VOT were lower compared with the young group. The f0FV differences in the old female group were significantly narrower than the young female group, therefore, clear distinction became difficult. In conclusion, contrast in temporal information was obscured, and the domain of glottal information was diminished on stop consonants in Korean elderly. The findings suggest that central/peripheral changes by aging could lead to a deficit in coordination between phonation and articulation.
영화를 활용한 명시적,암시적 발음 지도가 중학생의 영어 듣기 능력에 미치는 영향
유현지 ( Hyun Ji Yoo ),이은주 ( Eun Joo Lee ) 글로벌영어교육학회(구 호남영어교육학회) 2015 Studies in English education Vol.20 No.4
The study investigates the effects of explicit and implicit pronunciation instruction using a movie on middle school students` English listening ability and affective domain. For this purpose, 60 Korean middle school students participated in the study, and they were randomly allocated to two homogeneous groups in accordance with different pronunciation instruction types explicit and implicit. Each group was divided into two subgroups, i.e., high-level and low-level groups, according to their listening proficiency level. The results of the study revealed that both of the pronunciation instruction methods were effective for improving L2 learners` listening ability. As for the subdomains of listening, there were statistically significant differences on segmentals, word stress, sentence stress, contraction and reduction areas from both explicit and implicit groups. The result of the listening tests showed that the most progressive group was the low-level explicit group. The low-level implicit, high-level explicit, and high-level implicit groups were ranked in order. Concerning the affective factors, the implicit group showed a statistically significant improvement in all parts of affective areas while the explicit group manifested significant differences in self-esteem of accomplishment, initiative, anxiety, interest, motivation, and listening perception.
김선희,유현지,홍혜진,이호영,Kim, Sun-Hee,Yoo, Hyun-Ji,Hong, Hye-Jin,Lee, Ho-Young 대한음성학회 2007 말소리 Vol.63 No.-
This paper aims to propose how to extract intonation patterns using Momel, a pitch stylization algorithm, and to present results of analyzing speech corpora in comparison with those in earlier researches. Two speech corpora are used: one is the sound files obtained from the K-ToBI web site, and the other consists of 80 passages pronounced by 4 speakers (2 male and 2 female). The results show that Momel provides significant pitch targets which can be labeled as H and L tones within prosodic units such as Accentual Phrase (AP) and Intonation Phrase (IP). The resulting AP patterns and IP boundary tone patterns correspond to those in earlier researches. Thus, this study will contribute to the study of intonation as well as to the development of automatic intonation labeling systems.
건설산업 생산체계 개편에 따른 건설보증시장 변화 예측 조사
김성일,장철기,유현지,Kim, Sungil,Chang, Chulki,Yoo, Hyunji 한국건설관리학회 2021 한국건설관리학회 논문집 Vol.22 No.1
건설보증시장은 건설산업 및 건설시장의 변화에 영향을 받는 후방시장으로서의 특성을 갖고 있다. 최근 종합건설업체와 전문건설업체간의 업역 규제가 폐지되는 등 건설산업 생산체계의 대대적 개편이 추진됨에 따라 건설시장 뿐만 아니라 건설보증시장에도 큰 변화가 예상된다. 건설보증시장에는 현재 업역과 업종을 기반으로 구분된 종합·전문·기계설비의 3개 공제조합이 운영되고 있다. 업역이 폐지되고 나면 3개 공제조합 간 경쟁구조가 형성되는 등 건설보증시장에 여러 영향을 미칠 것이고, 따라서 시장 변화에 따라 건설보증기관의 역할에도 변화가 필요하다. 본 연구는 건설산업 생산체계 개편이 건설보증시장에 불러올 변화를 분석·예측하고, 건설보증시장에 미치는 파급효과를 분석하였다. '건설산업 생산체계 개편안'과 건설보증 관련 법령 및 제도· 정책, 건설 보증기관 관련 통계자료를 검토하여 건설보증시장의 현황을 파악하고, 3개 공제 조합원을 대상으로 설문조사를 수행하여 시장 참여자의 보증기관 이용 행태를 분석하였다. 생산체계 개편 후 보증시장 변화를 살펴보면, 기계설비 조합원의 타 보증기관 이용 의향이 가장 높으며, 종합과 전문 조합원은 경쟁 확대에도 불구하고 기존 공제조합을 이용, 타 이용기관을 중복으로 이용하는 조합원들이 많을 것으로 예상된다. The construction guarantee market is a rear market affected by changes in the construction industry and market. As the restructuring of the construction industry's production system is being carried out, such as the abolition of regulations on business field between general and specialty contractors, major changes are expected not only in the construction market but also in the construction guarantee market. In construction guarantee market, there are currently three Contractor Financial Cooperatives, which are divided based on business field and business type(General, Specialty and Plant & Mechanical). The abolition of business field regulation will have various effects on construction guarantee market, such as forming a competitive structure among the three Contractor Financial Cooperatives. Therefore the role of the construction guarantee institutions are also required to change. This study predicted the changes in the construction guarantee market after the restructuring of construction industry and analyzed the ripple effect on the market. This study reviewed the details of the reorganization plan on the construction industry, policies and statistical data related to construction guarantee, and lastly conducted the survey on each member of the three Contractor Financial Cooperatives to analyze the usage behavior in the future guarantee market. Based on the result of this study, the members of both the General Contractor Financial Cooperative and Specialty Contractor Financial Cooperative are not willing to change the existing institutions, but a lot of them are expected to use other institutions in duplicate. The members of the Plant & Mechanical Contractor Financial Cooperative are most willing to use other guarantee institutions.