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- 저자 : 이도현(Do Hyeon Lee) (검색결과 48 건)
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이도현,김현철,김점구,Lee, Do Hyeon,Kim, Hyun Cheol,Kim, Jeom Goo 한국융합보안학회 2015 융합보안 논문지 Vol.15 No.2
Security infrastructure of Educational Network responds to threats by collecting and analyzing security events from various information protection system based on the integrated management system. Even if this system provides useful and detailed information to the administrator, there are some problems that this system does not provide effective response process and management systems for various threatening situations and the simultaneous threat processes. To solve this problem, we propose and develop security agents that enable the administrator to effectively manage integrated security for Educational Network. The proposed solution provides the administrator with efficient management techniques and process scheduling for various security events so that the administrator can response promptly to problems with the initial threat to Educational Network.
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[최우수학술상] 함경도 퉁소 <신아우>와 <신방곡> 고찰
이도현(Lee Do Hyeon) 국립국악원 2022 국악원논문집 Vol.45 No.-
Today, tungso music is only performed as the accompaniment at bukcheong sajanoreum (lion dance play) in Hamgyeong-do Province. Until the 20th century, tungso , which used to play a variety of music, became rarely played, and the tungso music culture is being maintained by migrants from Hamgyeong-do where it was prosperous. With the recent reorganization of the Gugak Archive of the National Gugak Center and the release of undisclosed transcriptions of North Korean music, the study of Hamgyeong-do music and tungso music, which was difficult to study, was activated. In Korea, both “Sinau ” and “Sinbanggok ” are generally understood as bynames for sinawi . Contrary to this fact, it is noteworthy that the two songs are recorded as separate songs in the National Heritage DB , a sound source material owned by the National Gugak Center. This fact can also be confirmed in magazines and books published in North Korea. According to the field report, there are oral data on new performance practices such as a series of Sinau and Sinbanggok and a performance group name called ‘sinau ryupa , which gives rise to a new task of examining the significance of the existence of Hamgyeong-do tungso music culture, and tungso “Sinau ” and sinbanggok as well as reconsidering the definition of ‘sinawi’ which has been defined so far. This study analyzes “Sinau ” and “Sinbanggok ” contained in the National Heritage DB and examines the correlation between the two songs estimated through oral data based on the derived musical characteristics. There are a total of five pieces of tungso “Sin’au included in the National Heritage DB. The rhythm of the music is basically a 4-beat rhythmic type with duple divisions, but as an exception, there are 4-beat rhythm with triple divisions or irregular free rhythm. Therefore, it is difficult to capture the rhythmic consistency. Although the identity of tori (Korean term for melodic mode) is ambiguous in terms of the melody of “Sin’au ”, it shows a melody identity of mixed tori in which the characteristic of gyeong-tori, which proceeds sequentially with adjacent notes, and the characteristic descending melody of menari-tori coexist. In the structure of “Sin’au”, phrases or paragraphs that show a similarity in two types of melody appear, and the consistency in the way they intersect or repeat can be noticeable. Among the recorded “Sin’au”, there is a pieces considered an exception because of their unique characteristics. One of them is to estimate the performance practice of Nawidwipuri mentioned in oral materials; the other is the piece that can confirm the close correlation between the two pieces, which is the purpose of this study, because it is recorded by name as “Sin’au ·Sinbanggok ” . There are five types that belong to “Sinbanggok ” included in the National Heritage DB; except for the pieces with the same performer or overlapping content, there are three types. In “Sinbanggok ”, there are many 4-beat rhythmic types with triple divisions, but 4 beats with duple divisions and irregular free rhythm sometimes appear. The melody shows clear menari-tori melodic types compared to “Sin’au ”. In other words, it can be distinguished in that “Sin’au ” is primarily characterized by 4 beats with duple divisions and mixed tori melody, whereas “Sinbanggok ” shows a menari-tori melody and 4 beats with triple divisions. However, the structure of “Sinbanggok ” is similar to that of “Sin’au ” in that two types of phrases intersect and/or repeat. …
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영상, 활동, 라이다 센서를 융합한 1인 가구 구성원 이상 징후 탐지 알고리즘
이도현(Do-Hyeon Lee),안준호(Jun-Ho Ahn) 한국컴퓨터정보학회 2022 한국컴퓨터정보학회논문지 Vol.27 No.6
Due to the recent outbreak of COVID-19 and an aging population and an increase in single-person households, the amount of time that household members spend doing various activities at home has increased significantly. In this study, we propose an algorithm for detecting anomalies in members of single-person households, including the elderly, based on the results of human movement and fall detection using an image sensor algorithm through home CCTV, an activity sensor algorithm using an acceleration sensor built into a smartphone, and a 2D LiDAR sensor-based LiDAR sensor algorithm. However, each single sensor-based algorithm has a disadvantage in that it is difficult to detect anomalies in a specific situation due to the limitations of the sensor. Accordingly, rather than using only a single sensor-based algorithm, we developed a fusion method that combines each algorithm to detect anomalies in various situations. We evaluated the performance of algorithms through the data collected by each sensor, and show that even in situations where only one algorithm cannot be used to detect accurate anomaly event through certain scenarios we can complement each other to efficiently detect accurate anomaly event.
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