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이승재 ( Lee¸ Seungjae ) 한국스페인어문학회 2021 스페인어문학 Vol.- No.100
The purpose of this study is to analyse diverse functions and uses of Spanish article lo. Spanish is the only Romance language which has preserved an neutral and unchangeable article, which is called 'article lo'. Lo can nominalize the adjectives, which, in this way, acquire a meaning equal or similar to that of the neuters of Latin. The nominalization with lo gives abstract character to the adjectives in competition with abstract nouns, etymologically and semantically correlatives. This study is composed of four chapters, an introduction and a conclusion. The first chapter focuses on the difference between 'article lo'(lo esperado) and 'pronoun lo'(lo esperaba). And we examine a variety of uses of Spanish articles by dividing the second chapter into two sections: the comparison of the definite article with the indefinite one (el libro/un libro), and diverse characteristics of the article lo. The third part, the analysis of different functions and uses of the article lo, is divided, in its turn, into three sections: 'lo + adjective'(lo noble=la nobleza; lo bueno=las cosas buenas; en lo alto=en la parte alta), 'lo + relative clause'(toma lo que quieras), and 'lo + adjective/adverb + que'(todos saben lo simpatica que es tu hermana). The fourth chapter addresses impersonal expressions with a sense of topicalization(lo imporante es (que)=es importante (que) ), and idiomatic phrases, which are structured with lo(a lo lejos); and shows how the article lo is interpreted into other languages like English, French and Italian. This investigation on lo is believed to contribute to our understanding of its diverse functions and also to the solution of various communication problems.
천장 브래킷형 모듈러 시스템의 접합부 내진 성능과 설계 프로세스
이승재,강창훈,박재성,곽의신,손수덕,Lee, Seungjae,Kang, Changhoon,Park, Jaeseong,Kwak, Euishin,Shon, Sudeok 한국공간구조학회 2020 한국공간구조학회지 Vol.20 No.3
This paper examines the seismic performance and structural design of the ceiling bracket-type modular connection. The bracket-type system reduces the cross-sectional area loss of members and combines units using fitting steel plate, and it has been developed to be fit for medium-story and higher-story buildings. In particular, this study conducted the cyclic loading test for the performance of the C-type and L-type brackets, and compared the results. The test results were also compared with the commercial FEA program. In addition, the structural design process for the bracket-type modular connection was presented. The two connections, proposed as a result of the test results, were all found to secure the seismic performance level of the special moment steel frame. In the case of initial stiffness, the L-type bracket connection was found to be great, but in the case of the maximum moment or fully plastic moment, it was different depending on the loading direction.
전통 목조 건축 문화재 검색 인터페이스 설계 및 구현 - 주심포 건축물을 대상으로 -
이승재(Lee, Seungjae),정다운(Jung, Da-Un),고종국(Ko, Jong Gook),이수웅(Lee, Suwoong),이용식(Lee, Yongsik),이주원(Lee, Juwon) 대한건축학회 2023 대한건축학회 학술발표대회 논문집 Vol.43 No.1
This study aims to design and implement a search interface for traditional wooden architecture, specifically for Jusimpo type architecture. The previous search interface focused on keywords and the names of architecture, resulting in disorganized photos, drawings, and descriptions. Therefore, the current interface only provides unrelated information, rather than data that can inspire analysis. In this paper, we propose a new search interface based on the relationships among buildings. Firstly, we provide search interfaces for Jusimpo type buildings by age, style, and region. Secondly, similar architecture and Gong-po can be retrieved. Thirdly, each Gong-po shows its corresponding photo and drawing. Moreover, to enhance your experience of Gong-po, 3D models and NeRF-based view synthesis are provided.
이승재(Seungjae Lee),이수웅(Suwoong Lee),이주원(Juwon Lee),정다운(Da-Un Jung),유원영(Wonyoung Yoo) 한국통신학회 2022 한국통신학회 학술대회논문집 Vol.2022 No.2
본 논문은 딥러닝 모델을 위한 효율적인 채널 및 공간 정보 중요도 모듈을 제안한다. 일반적으로 중요도는 특징맵 채널 또는 공간에서 계산되며, 주로 성능 및 연산량 등의 이유로 채널 중심 중요도가 많이 활용되고 있다. 제안하는 방법에서는 풀링 연산 및 1차 필터를 통해 중요도를 계산하여 연산량을 줄이면서 성능을 개선한다. 먼저, 특징맵에 대해서 채널 방향의 중요도를 반영하고, 공간 방향 중요도는 채널과 같은 방법으로 높이 및 너비 방향에 대해 각각 계산 후 곱연산을 통해 중요도를 반영한다. 이 과정을 통해서 특징맵은 채널 및 공간에 대한 중요도를 학습하여 딥러닝 모델 성능 개선에 도움을 줄 수 있으며, 제안된 방법은 CIFAR-10 및 ImageNet DB에서 MobileNetV2으로 평가하였고, 기존 채널 중요도 방법에 비해 성능이 개선됨을 확인하였다.
전통 목조 건축 교육을 위한 AI CAD 도구 활용 연구 - 주심포 공포를 대상으로 -
이승재(Lee, Seungjae),정다운(Jung, Da-Un),한명기(Han, Myongki),전해완(Chun, Hae-Wan),류성룡(Ryoo, Seong-Lyong) 대한건축학회 2023 대한건축학회 학술발표대회 논문집 Vol.43 No.1
This paper explores the use of AI-based CAD tools for teaching traditional wooden architecture focusing on Gong-po, a key component of vertical expansion and load support. Gong-po consists of several members that are challenging for students to understand in a short time. We developed AI-based CAD tools that enable students to identify Gong-po’s members in drawings and generate 2D and 3D CAD models of them. We also taught a four-week course at a university using these tools. A survey showed that AI-based CAD tools helped students understand Gong-po and its members better.
급성호흡부전이 발생한 다운증후군 23세 여자에서 진단된 폐쇄성 수면무호흡증 1예
이승재 ( Seungjae Lee ),이주원 ( Joowon Lee ),김경훈 ( Kyunghoon Kim ) 대한천식알레르기학회 2024 Allergy Asthma & Respiratory Disease Vol.12 No.2
This case report details a 23-year-old female with Down syndrome who suffered from acute respiratory failure due to severe obstructive sleep apnea syndrome and accompanying pulmonary arterial hypertension (PAH). The patient presented with obesity, adenotonsillar hypertrophy, and craniofacial anomalies commonly seen in Down syndrome, predisposing her to sleep-disordered breathing. Upon intensive care unit admission, she exhibited cardiomegaly, bilateral pulmonary edema, and right ventricular dysfunction. Polysomnography revealed severe sleep apnea with an apnea-hypopnea index of 108.7/hr. Treatment modalities included noninvasive positive pressure ventilation, diuretics, antibiotics, and positive airway pressure (PAP) devices to manage hypercapnia, pulmonary edema, and sleep apnea. PAH, a recognized complication of untreated sleep apnea, contributed to right ventricular dysfunction. A multidisciplinary approach was vital, with long-term management centered on continuous PAP therapy and comprehensive obesity management. This case underscores the intricate interplay between Down syndrome, sleep apnea, and PAH, highlighting the significance of early recognition and coordinated intervention in individuals with Down syndrome to enhance overall outcomes and quality of life. (Allergy Asthma Respir Dis 2024;12:93-98)